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AuthorsBao M., Liu T., Chen Z., Guo L., Jiang G., Li Y., Li X.Xia W.J., Luo Z.B., Dong H.P., Yu L.Wu G., Ren F.P., You J., Yu J.L., Pei Y.T., Liu S.S.Sun S., Luo Y., Cao S., Li W., Zhang Z., Jiang L., Dong H., Yu L., Wu W.-M.Zhu H., Carlson H.K., Coates J.D.Amani H., Muller M.M., Syldatk C., Hausmann R.Amani H., Haghighi M., Keshtkar M.J.Pereira J.F.B., Gudina E.J., Costa R., Vitorino R., Teixeira J.A., Coutinho J.A.P., Rodrigues L.R.Saikia U., Bharanidharan R., Vendhan E., Kumar Yadav S., Siva Shankar S.Ke C.-Y., Wu G., You J., Wang G., Li Q., Zhao W.-H., Mu B.-Z.Liu T., Song Z., Cao G., Xu D., Tan X.Al-Bahry S.N., Elsahfie A.E., Al-Wahaibi Y.M., Al-Bimani A.S., Joshi S.J., Al-Maaini R.A., Al-Alawai W.J.Xiaolin W., Zhaowei H., Xumou D., Wei L., Rui W., Xiaolei W.Jackson S.C., Alsop A.W., Fallon R., Perry M.P., Hendrickson E.R., Fisher J.Wenjie X., Li Y., Ping W., Jianlong X., Hanping D.Gudina E.J., Rodrigues L.R., Teixeira J.A., Pereira J.F., Coutinho J.A., Soares L.P., Ribeiro M.T.Shabani-Afrapoli M., Crescente C., Li S., Alipour S., Torsaeter O.Armstrong R.T., Wildenschild D.Jimoh I.A., Sogaard E.G., Rudyk S.N.Zhang F., She Y.-H., Li H.-M., Zhang X.-T., Shu F.-C., Wang Z.-L., Yu L.-J., Hou D.-J.Zhou Y., Wang J., Li M., Tian J., Ji G., Dong H., Yu L.Yao C.J., Lei G.L., Ma J.Y., Zhao F.M., Cao G.Z.Armstrong R.T., Wildenschild D.Gudina E.J., Pereira J.F.B., Rodrigues L.R., Coutinho J.A.P., Teixeira J.A.Li J., Liu J., Trefry M.G., Liu K., Park J., Haq B., Johnston C.D., Clennell M.B., Volk H.Xiaowei P., Hongzhang C.Xiu J., Yu L.She Y., Shu F., Wang Z., Yu L.Zhang N., Xue C.Zheng C., Yu L., Huang L., Xiu J., Huang Z.Kobayashi H., Kawaguchi H., Endo K., Mayumi D., Sakata S., Ikarashi M., Miyagawa Y., Maeda H., SatoShu F., She Y., Wang Z., Kong S.Huang Y., Ding H., Hou Z., Ren G., Wu X., Song K.Afrapoli M.S., Alipour S., Torsaeter O.Armstrong R.T., Wildenschild D.Jackson S.C., Fisher J., Alsop A., Fallon R.Gao C.H.Hou Z., Dou X., Jin R., Wang R., Wang Y., Li W., Le J.Harner N.K., Richardson T.L., Thompson K.A., Best R.J., Best A.S., Trevors J.T.Liu S., Liang S.Jimoh I.A., Rudyk S.N., Sogaard E.G.Sun S., Zhang Z., Luo Y., Zhong W., Xiao M., Yi W., Yu L., Fu P.Li J., Liu J., Trefry M.G., Park J., Liu K., Haq B., Johnston C.D., Volk H.Gao C.H., Zekri A.Li J., Liu J., Trefry M.G., Park J., Liu K., Haq B., Johnston C.D., Clennell B., Volk H.Song H.-X., Luo J.-H., Wang Y.-L., Li L., Yang Y.-F.Nielsen S.M., Shapiro A.A., Michelsen M.L., Stenby E.H.

Khire J.M.Nielsen S.M., Jessen K., Shapiro A.A., Michelsen M.L., Stenby E.H.Xiu J., Yu L., Guo Y.Zheng C.-G., Wang G.-X., Zhang Q.-Y., Yu L., Huang L.-X.Shabani Afrapoli M., Alipour S., Torsaeter O.Reksidler R., Garcia Torres Volpon A., Ferreira Barbosa L.C., Guilherme Brasileiro C., Correia Nicolau Shabani Afrapoli M., Alipour S., Torsaeter O.Reksidler R., Volpon A.G.T., Barbosa L.C.F., Brasileiro C.G., Nicolau H.C.C., De Calasans Jr. J.A.M.Adelzadeh M.R., Roostaazad R., Kamali M.R., Bagheri Lotfabad T.Brown L.R.Suthar H., Hingurao K., Desai A., Nerurkar A.Chen W.-X., Hu R., He Q.Halim A.Y., Fauzi U.D., Siregar S., Soewono E., Gunawan A.Y., Astuti D.I., Juli N.Al-Wahaibi Y., Al-Bemani A., Al-Bahry S., Al-Sulaimani H., Al-Mandhari M., Ghosh B.Sun S.-S., Zhang Z.-Z., Lu M., He W., Luo Y.-J., Cheng J.-F.Zhang Z.-Z., Sun S.-S., Wang Y.-X., Luo Y.-J.Wu Y., Zhang S., Jiang B., Zhang P.Salehizadeh H., Mohammadizad S.Wang D.-Q., Guo L.-Y., Liu T., Duan C.-H., Zhang J., Song Z.-Y.Lei G.-L., Ma J.-Y., Wang W.-D., Guo S.-X., Guo L.-Y., Song S.Oldenburg T.B.P., Larter S.R., Adams J.J., Clements M., Hubert C., Rowan A.K., Brown A., Head I.M., GAgarwal P., Sharma D.K.Ma J.-Y., Guo S.-X., Lei G.-L., Wang W.-D.Rafique M.A., Ali U.Gray M.R., Yeung A., Foght J.M., Yarranton H.W.Pornsunthorntawee O., Arttaweeporn N., Paisanjit S., Somboonthanate P., Abe M., Rujiravanit R., ChaSuthar H., Hingurao K., Desai A., Nerurkar A.Haghighat S., Akhavan Sepahy A., Mazaheri Assadi M., Pasdar H.Wang J., Ma T., Zhao L., Lv J., Li G., Zhang H., Zhao B., Liang F., Liu R.Bordoloi N.K., Konwar B.K.Priyadarshini S.R.B., Mishra M.C., Murugan V., Angelin T.Wang D., Liu Y., Yang Z., Hao C.Wang Q., Fang X., Shuler P.J., Tang Y., Goddard III W.A.Zahid S.Wang Q., Fang X., Shuler P.J., Tang Y., Goddard III W.A.Lazar I., Petrisor I.G., Yen T.F.Soudmand-asli A., Ayatollahi S.S., Mohabatkar H., Zareie M., Shariatpanahi S.F.Zahid S., Khan H.A., Zahoor M.K.Maudgalya S., Knapp R.M., McInerney M.J.Fang X., Wang Q., Bai B., Liu X.C., Tang Y., Shuler P.J., Goddard III W.A.Fang X., Wang Q., Bai B., Liu X.C., Tang Y., Shuler P.J., Goddard II W.A.Ghadimi Gheshlaghi M.R., Ardjmand M.Kong X.-P., He Y.-D., Zhang H.-S., Geng X.-L., Xu P., Wang X.-L.Mokhatab S., Giangiacomo L.A.Li K., Li Y.Deng Y., Yi S.-J.Scopa A., Salzano G., Scrano L., Bufo S.A., Bonomo M.G.Kowalewski E., Rueslatten I., Steen K.H., Bodtker G., Torsaeter O.

Kowalewski E., Rueslatten I., Gilje E., Sunde E., Bodtker G., Lillebe B.L.P., Torsvik T., Stensen J.A., BjorKowalewski E., Rueslatten I., Boassen T., Sunde E., Stensen J.A., Lillebo B.L.P., Bodtker G., Torsvik T.Maudgalya S., Mclnerney M.J., Knapp R.M., Nagle D.P., Folmsbee M.J.Jinfeng L., Lijun M., Bozhong M., Rulin L., Fangtian N., Jiaxi Z.Wu B.-Z., Li Y.-Q., Zhang Q., Zhang Y.-J.Fujiwara K., Sugai Y., Yazawa N., Ohno K., Hong C.X., Enomoto H.Wang W.-D., Wei B., Tan Y.-X., Wang X.-L.Xiang T.-S., Feng Q.-X., Nazina N.T., She Y.-H., Ni F.-T., Zhou J.-C.Jing G.-C., Liu F.-H., Guo S.-P., Yu L.Maudgalya S., McInerney M.J., Knapp R.M., Nagle D.P., Folmsbee M.J.Bundy J.G., Paton G.I., Campbell C.D.Behlulgil K., Mehmetoglu M.T., Durgut I.Rauf M.A., Ikram M., Tabassum N.Duan J.-J., Zhao Y.-J., Lu Z.-S.Bao M.-T., Wang W.-D., Wang X.-L., Kong X.-P., Li X.-M., Feng S.-L., Liu Z.-Y.Sayyouh M.H.Li X.-C., Qi Y.-L., Zhang L., Zhang H.Delshad M., Asakawa K., Pope G.A., Sepehrnoori K.Bryant S.L., Lockhart T.P.Wang W.-D., Song Y.-T., Chen Y.Li Q., Kang C., Wang H., Liu C., Zhang C.Huang Y., Liang F.-L., Zhang X.-P., Liu R.-L., Li M., Zhang H., Zhao B., Li J.-Y., Lang B.-S., Chen J.-M.Zhang Z.-Z., Li Q.-Z., Wang H.-J., Guo S.-H.[No author name available]Li Q.-Z., Zhang Z.-Z., Wang H.-J., Luo Y.-J., Guo S.-H.Zhang Z.-Z., Li Q.-Z., Wang H.-J., Luo Y.-J., Guo S.-H.He G.-Z., Zeng F.-G., Xiang T.-S., Mei B.-W., She Y.-H., Xu F.Feng Q.-X., Chen Z.-Y.Lei G.L.Zekri A.Y.Bryant S.L., Lockhart T.P.Zhang T.S., Lan G.Z., Deng L., Deng X.G., Zhang C.Q.Bryant S.L., Lockhart T.P.Wang Z.-Y., Zhang D.-Y., Sun X.-Q.Bryant Steven L., Lockhart Thomas P.Volpon A.G.T., De Melo M.A.Bryant S.L., Lockhart T.P.Fujiwara K., Tanaka S., Ohtsuka M., Yonebayashi H., Enomoto H.Yonebayashi H., Yoshida S., Ono K., Enomoto H.Zekri A.Y.Fujiwara K., Tanaka S., Ohtsuka M., Nakaya K.Enomoto H.Maure M.A., Dietrich F.L.Fujiwara K., Tanaka S., Ohtsuka M., Ichimura N., Yonebayashi H., Hong C.X., Enomoto H.Evans D.B., Stepp A.K., French T.Yonebayashi H., Ono K., Enomoto H., Chida T., Hong C.-X., Fujiwara K.Yue J.-J., Chen X.-H., Li Q.-Q., Gao S.-T.Desouky S.M., Abdel-Daim M.M., Sayyouh M.H., Dahab A.S.

Bryant Rebecca S., Lindsey Rhonda P.Banat I.M.Portwood J.T.Sitnikov A.A., Eremin N.A., Ibattulin R.R.Hitzman D.O., Sperl G.T.Maharaj U., May M., Imbert M.P.Nelson L., Schneider D.R.Premuzic Eugene T., Lin Mow S., Manowitz BernardRouse Bruce, Hiebert Franz, Lake L.W.Matz A.A., Borisov A.Y., Mamedov Y.G., Ibatulin R.R.Sunde Egil, Beeder Janiche, Nilsen R.K., Torsvik TerjeBehlulgil K., Mehmetoglu T., Donmez S.Donaldson E.C.Lichaa A., Oppenheimer C.l.Hitzman D.O.Premuzic E.T., Lin M.S.Pelger J.W.Wagner M.Sheehy A.J.Jack T.R.Knapp R.M., Silfanus N.J., McInerney M.J., Menzie D.E., Chisholm J.L.Premuzic E.T., Lin M.Chisholm J.L., Kashikar S.V., Knapp R.M., McInerney M.J., Menzie D.E., Silfanus N.J.Islam M.R.Bryant R.S., Burchfield T.E., Chase K.L., Bertus K.M., Stepp A.K.Jack T.R., Shaw J., Wardlaw N., Costerton J.W.Grula E.A., Russell H.H., Grula M.M.Bryant R.S., Donaldson E.C., Yen T.F., Chilingarian G.V.Raiders R.A., Knapp R.M., McInerney M.J.Bryant Rebecca S., Burchfield Thomas E.King J.W.Bryant R.S., Douglas J.Anderson D.L., Sarver A.Q., Chin Y.H., Honarpour M.M.Zajic J.E.Knabe Steven P.Jenneman Gary E., Knapp Roy M., McInerney Michael J., Menzie D.E., Revus D.E.Jang Long-Kuan, Sharma M.M., Yen T.F.Jang L.K., Chang P.W., Findley J.E., Yen T.F.Donaldson E.C.Crawford Paul B.Lazar I.Finnerty W.R., Singer M.E.[No author name available]Moses V., Robinson J.P., Springham D.G., Brown Melanie J., Foster M., Hume J., May C.W., McRobertsDonaldson E.C.McInerney M.J., Jenneman G.E., Revus D.E., Knapp R.M., Menzie D.E.La Riviere J.W.M.

Title YearA laboratory study for assessing microbial enhanced oil recovery 2013Studies of biosurfactant for microbial enhanced oil recovery by using bacteria isolated from the form 2013Research on efficient microbial enhanced oil recovery technology based on low-temperature heavy oi2013Construction and evaluation of an exopolysaccharide-producing engineered bacterial strain by protop2013Applicability of anaerobic nitrate-dependent Fe(II) oxidation to microbial enhanced oil recovery (ME 2013Production of microbial rhamnolipid by Pseudomonas aeruginosa MM1011 for Ex situ enhanced oil r 2013Production and optimization of microbial surfactin by bacillus subtilis for Ex situ enhanced oil recover 2013Optimization and characterization of biosurfactant production by Bacillus subtilis isolates towards mi 2013A brief review on the science, mechanism and environmental constraints of microbial enhanced oil 2013Monitoring of the organic acid in the produced liquid in microbial flooding process and effect of the 2013Laboratory study on enhancing recovery by microbial oil displacement in ZHONGYIQU Ng3 2013Microbial consortia in Oman oil fields: A possible use in enhanced oil recovery 2013The application of microbial enhanced oil recovery in Chaoyanggou Daqing low-permeability oilfield 2012Field implementation of DuPont's microbial enhanced oil recovery technology 2012Characterization of a thermophilic and halotolerant Geobacillus pallidus H9 and its application in m 2012Microbial enhnaced oil recovery by Bacillus subtilis strains under simulated reservoir conditions 2012Simulation study of displacement mechanisms in microbial improved oil recovery experiments 2012Investigating the pore-scale mechanisms of microbial enhanced oil recovery 2012Evaluation of produced volumes of carbon dioxide from the concentration of the gas absorbed in the 2012Impact of an indigenous microbial enhanced oil recovery field trial on microbial community structure i2012Method of a fuzzy cluster analysis to evaluate microbial enhanced oil recovery 2012Experiment and simulation of indigenous microbial enhanced oil recovery (IMEOR) 2012Microbial Enhanced Oil Recovery in Fractional-Wet Systems: A Pore-Scale Investigation 2012Isolation and study of microorganisms from oil samples for application in Microbial Enhanced Oil Re 2012Impact of Rock Heterogeneity on Interactions of Microbial-Enhanced Oil Recovery Processes 2012Hemicellulose sugar recovery from steam-exploded wheat straw for microbial oil production 2012A mathematical model for Indigenous Microbial Enhanced Oil Recovery in anaerobic metabolic proce 2012Investigation of indigenous microbial enhanced oil recovery in a middle salinity petroleum reservoir 2012Analytic method on the quality of microbial enhanced oil recovery based on Fuzzy-AHP 2012Investigation of a hydrocarbon-degrading strain, Rhodococcus ruber Z25, for the potential of microbi 2012Analysis of methane production by microorganisms indigenous to a depleted oil reservoir for applica 2012Mechanism analysis of indigenous microbial enhancement for residue oil recovery 2012Analysis on microbial community structure and phylogenetics for the reservoir system after the micr 2012Fundamental Study of Pore Scale Mechanisms in Microbial Improved Oil Recovery Processes 2011Decoupling the mechanisms of Microbial Enhanced Oil Recovery 2011Considerations for field implementation of microbial enhanced oil recovery 2011Microbial enhanced oil recovery in carbonate reservoir: An experimental study 2011The application of microbial enhanced oil recovery in daqing oilfields 2011Microbial processes in the Athabasca Oil Sands and their potential applications in microbial enhanced2011Present research status and future trends of microbial enhanced oil recovery 2011Microbial fluid-rock interactions in chalk samples and salinity factor in divalent ca2+ ions release fo 2011Exopolysaccharide production by a genetically engineered Enterobacter cloacae strain for microbial 2011Interactions of Microbial-Enhanced Oil Recovery Processes 2011Applications of microbial-enhanced oil recovery technology in the past decade 2011Numerical simulation of two-phase flow and solute transport during microbial enhanced oil recovery 2010Application of microbial oil recovery technology in Zichang Oilfield 20101D Simulations for Microbial Enhanced Oil Recovery with Metabolite Partitioning 2010

Bacterial biosurfactants, and their role in microbial enhanced oil recovery (MEOR) 2010Microbial enhanced oil recovery: 3D simulation with gravity effects 2010A mathematical coupling model of seepage field and microbial field in the indigenous microbe enhanc2010A study on screening and evaluating the strain Z25 for microbial enhanced oil recovery 2010Effect of wettability and interfacial tension on microbial improved oil recovery with Rhodococcus sp 2010A microbial enhanced oil recovery field pilot in a Brazilian onshore oilfield 2010Effect of wettability and interfacial tension on microbial improved oil recovery with Rhodococcus sp 2010A microbial enhanced oil recovery field pilot in a Brazilian onshore oilfield 2010A technical feasibility analysis to apply Pseudomonas aeroginosa MR01 biosurfactant in microbial enh2010Microbial enhanced oil recovery (MEOR) 2010Selective plugging strategy based microbial enhanced oil recovery using Bacillus licheniformis TT33 2009Microbial enhanced oil recovery (MEOR) and oversea research progress in its application 2009Microbial enhanced oil recovery: An investigation of bacteria ability to live and alter crude oil physica 2009Microbial technology applications in wellbore stimulation and oil recovery enhancement: A review 2009Application of thermophiles in microbial enhanced oil recovery 2009Application of green fluorescent protein as gene marker for microbial enhanced oil recovery 2009An oil reduction study on one microbial enhanced oil recovery(MEOR) streptococcus 2009Microbial enhanced oil recovery using biosurfactant produced by Alcaligenes faecalis 2009Effects of pressure on growth and metabolism of microorganism for microbial enhanced oil recovery 2009Micromechanism of microbial enhanced oil recovery 2009Methods for recovery of microorganisms and intact microbial polar lipids from oil-water mixtures: L 2009Studies on the production of biosurfactant for the microbial enhanced oil recovery by using bacteria 2009Microscopic mechanism studies on microbial enhanced oil recovery under high temperature high pres2008Microbial enhanced oil recovery (MEOR) with special emphasis to the "uneconomical reserves" 2008Potential microbial enhanced oil recovery processes: A critical analysis 2008Isolation and comparison of biosurfactants produced by Bacillus subtilis PT2 and Pseudomonas aerug 2008Evaluation of bioemulsifier mediated Microbial Enhanced Oil Recovery using sand pack column 2008Ability of indigenous Bacillus licheniformis and Bacillus subtilis in microbial enhanced oil recovery 2008Monitoring exogenous and indigenous bacteria by PCR-DGGE technology during the process of microb2008Microbial surfactant-enhanced mineral oil recovery under laboratory conditions 2008Statistical analysis of the factors affecting the recovery of microbial oil 2008Application of surfactin in microbial enhanced oil recovery 2008Rhamnolipid production and application in microbial enhanced oil recovery from metabolically engin 2007Microbial EOR - A review on its effectivity in the past & present for improving oil recovery from decl 2007Rhamnolipid production and application in microbial enhanced oil recovery from metabolically engin 2007Microbial enhanced oil recovery (MEOR) 2007The in situ microbial enhanced oil recovery in fractured porous media 2007A review on microbial enhanced oil recovery with special reference to marginal/uneconomical reserv 2007Microbial enhanced-oil-recovery technologies: A review of the past, present, and future 2007Engineering rhamnolipid biosurfactants as agents for microbial enhanced oil recovery 2007Engineering rhamnolipid biosurfactants as agents for microbial enhanced oil recovery 2007Simulation of microbial enhanced oil recovery 2006Laboratory study on enhancing recovery factor by microbial oil displacement in Jidong Oilfield 2006Microbial enhanced oil recovery techniques improve production 2006Numerical simulation for microbial enhanced oil recovery (MEOR) 2006The present situation and developments of microbial enhanced heavy oil recovery 2006Preliminary assessment of microbial community recovery after an accidental oil spill by molecular ana2006Microbial improved oil recovery-bacterial induced wettability and interfacial tension effects on oil p 2006

Interpretation of microbial oil recovery from laboratory experiments 2005Analyzing microbial improved oil recovery processes from core floods 2005Tertiary oil recovery with microbial biosurfactant treatment of low-permeability berea sandstone cor 2005The field pilot of microbial enhanced oil recovery in a high temperature petroleum reservoir 2005Chemotaxis and mechanisms in microbial enhanced oil recovery by using bacteria PBS 2004Biotechnological approach for development of microbial enhanced oil recovery technique 2004Problems confronted in microbial enhanced oil recovery 2004Mechanism of indigenous microbial enhancement of oil recovery and pilot test 2004Mechanism of enhanced oil recovery by local microbial enrichment 2004Development of bio-surfactant based microbial enhanced oil recovery procedure 2004Combined microbial community level and single species biosensor responses to monitor recovery of oi2004Mathematical modeling of the soaking period in a microbial enhanced oil recovery application 2003Enhanced oil recovery through microbial treatment 2003DNA Gene Detecting Techniques and Their Application in Microbial Enhanced Oil Recoveries 2003Microbial enhanced oil recovery by activation of stratal microflora: A review 2002Microbial Enhanced Oil Recovery: Research Studies in the Arabic Area during the Last Ten Years 2002Application of microbial enhanced oil recovery in Jilin oil field 2002Simulations of Chemical and Microbial Enhanced oil Recovery Methods 2002Reservoir engineering analysis of microbial enhanced oil recovery 2002Microbial enhanced oil recovery and oilfield chemicals 2002Application of microbial enhanced oil recovery technique to Daqing Oilfield 2002Microbial enhanced oil recovery in extra-heavy crude reservoir 2002Monitoring technology in the microbial enhanced oil recovery 2002Microbial enhanced oil recovery explored at meeting 2002Advances in laboratory investigations on microbial enhanced oil recovery 2001Advances in researches on field trials for microbial enhanced oil recovery 2001Experimental study of microbial bacteria for enhancing viscous oil recovery efficiency 2001Performance monitoring of microbial enhanced oil recovery program 2001Research and application of microbial enhanced oil recovery 2001Microbial enhanced oil recovery - A short review 2001Reservoir-engineering analysis of microbial enhanced oil recovery 2001Experiments on heaving oil degradation and enhancing oil recovery by microbial treatments 2001Reservoir-engineering analysis of microbial enhanced oil recovery 2001Application of microbial Oil recovery to five types of reservoirs in shengli Oil field 2000Reservoir engineering analysis of microbial enhanced oil recovery 2000Laboratory testing of a microbial enhanced oil recovery process by produced biopolymer in situ 2000Reservoir engineering analysis of microbial enhanced oil recovery 2000Identification of bacteria used for microbial enhanced oil recovery process by fluorescence in situ hy 2000Screening of microorganisms for microbial enhanced oil recovery processes 2000Review of microbial enhanced oil recovery 2000Investigation on behavior of bacteria in reservoir for microbial enhanced oil recovery 2000Fundamental studies for microbial enhanced oil recovery field test 2000Microbial enhanced oil recovery pilot test in Piedras Coloradas Field, Argentina 1999Evaluation of the use of amplified 16S rRNA gene-restriction fragment length polymorphism analysis to1999Improved crude oil recovery by alkaline flooding enhanced with microbial hydrocarbon oxidation 1998Microbial enhanced oil recovery field pilot in a waterflooded reservoir 1997The screening and evaluation of strains for microbial enhanced oil recovery 1996Modelling and laboratory investigation of microbial enhanced oil recovery 1996

World-wide applications of microbial technology for improving oil recovery 1996Biosurfactants production and possible uses in microbial enhanced oil recovery and oil pollution remi 1995Commercial microbial enhanced oil recovery technology: evaluation of 322 projects 1995Mathematical model of microbial enhanced oil recovery (MEOR) method for mixed type rock 1994New microbial technology for enhanced oil recovery and sulfide prevention and reduction 1994The Application of Microbial Enhanced Oil Recovery to Trinidadian Oil Wells 1993Six Years of Paraffin Control and Enhanced Oil Recovery with the Microbial Product, Para-Bac™ 1993Comparison of biochemical microbial effects in enhanced oil recovery (MEOR) 1993Laboratory testing of a microbial enhanced oil recovery process under anaerobic conditions 1992Commercial (pilot) test of microbial enhanced oil recovery methods 1992Aerobic microbial enhanced oil recovery for offshore use 1992Application of microbial enhanced oil recovery technique to a Turkish heavy oil 1992Microbial enhancement of oil recovery - recent advances. Proceedings of a conference, Norman, O 1991Ch. R-10 A Method to Determine the Number of Hydrocarbon Degrading Bacteria in Microbial Enhan 1991Ch. I-2 Microbial Enhanced Oil Recovery-The Time is Now 1991Ch. R-18 Prospects for Thermophilic Microorganisms in Microbial Enhanced Oil Recovery (MEOR) 1991Ch. F-8 Microbial Enhanced Oil Recovery Treatments and Wellbore Stimulation Using Microorganisms 1991Ch. F-3 Microbial Enhancement of Oil Recovery from Carbonate Reservoirs with Complex Formation C1991Ch. R-1 Microbial Physiology and Enhanced Oil Recovery 1991Microbial enhancement of oil recovery 1991Mechanisms of microbial enhanced oil recovery in high salinity core environments 1991Prospects for thermophilic microorganisms in microbial enhanced oil recovery (MEOR) 1991Microbial enhanced oil recovery. Interfacial tension and gas-induced relative permeability effects 1990Mathematical modeling of microbial enhanced oil recovery 1990Optimization of microbial formulations for oil recovery. Mechanisms of oil mobilization, transport of 1989Chapter 7 Microbial Plugging in Enhanced Oil Recovery 1989Chapter 11 Potential Health Hazard of Bacteria to be Used in Microbial Enhanced Oil Recovery 1989Chapter 14 Microbial Enhanced Oil Recovery 1989Microbial selective plugging and enhanced oil recovery 1989Review of microbial technology for improving oil recovery 1989MEOR (Microbial enhanced oil recovery) technical status and assessment of needs, 1986. 1987EVALUATION OF MICROBIAL SYSTEMS IN POROUS MEDIA FOR ENHANCED OIL RECOVERY. 1987PRELIMINARY STUDIES LEADING TO MICROBIAL ENHANCED OIL RECOVERY. 1986CONSIDERATIONS IN THE INJECTION TECHNOLOGY FOR MICROBIAL ENHANCED OIL RECOVERY. 1985OVERVIEW OF MICROBIAL ENHANCED OIL RECOVERY. 1984EXPERIMENTAL STUDIES OF IN-SITU MICROBIAL ENHANCED OIL RECOVERY. 1984TRANSPORT OF BACTERIA IN POROUS MEDIA AND ITS SIGNIFICANCE IN MICROBIAL ENHANCED OIL 1984Selection of bacteria with favorable transport properties through porous rock for the application of 1983Overview of microbial enhancement of oil recovery 1983POSSIBLE RESERVOIR DAMAGE FROM MICROBIAL ENHANCED OIL RECOVERY. 1983MICROBIAL ENHANCEMENT OF OIL RECOVERY IN ROMANIA. 1983MICROBIAL ENHANCED OIL RECOVERY. 1983PROCEEDINGS OF 1982 INTERNATIONAL CONFERENCE ON MICROBIAL ENHANCEMENT OF OIL RECOV1983MICROBIAL ENHANCEMENT OF OIL RECOVERY IN NORTH SEA RESERVOIRS: A REQUIREMENT FOR AN 1983OVERVIEW OF MICROBIAL ENHANCEMENT OF OIL RECOVERY. 1983SELECTIVITY OF MICROBIAL PLUGGING PROCESSES FOR ENHANCED OIL RECOVERY. 1982The production of surface active compounds by micro-organisms and its possible significance in oil re 1955

Source titleEnergy Sources, Part A: Recovery, Utilization and Environmental EffectsPetroleum Science and TechnologyAdvanced Materials ResearchBioresource TechnologyEnvironmental Science and TechnologyApplied Biochemistry and BiotechnologyPetroleum Science and TechnologyFuelInternational Journal of ChemTech ResearchXi'an Shiyou Daxue Xuebao (Ziran Kexue Ban)/Journal of Xi'an Shiyou University, Natural Sciences EdiChinese Journal of Applied and Environmental BiologyJournal of Microbiology and BiotechnologyOpen Petroleum Engineering JournalProceedings - SPE Annual Technical Conference and ExhibitionAnnals of MicrobiologySociety of Petroleum Engineers - Abu Dhabi International Petroleum Exhibition and Conference 2012,Society of Petroleum Engineers - SPE EOR Conference at Oil and Gas West Asia 2012, OGWA - EOR: BJournal of Petroleum Science and EngineeringChemical Engineering TransactionsApplied Microbiology and BiotechnologyProceedings - International Conference on Communication Systems and Network Technologies, CSNT 2012Society of Petroleum Engineers - International Petroleum Technology Conference 2012, IPTC 2012Transport in Porous MediaInternational Biodeterioration and BiodegradationTransport in Porous MediaProcess BiochemistryApplied Mechanics and MaterialsAdvanced Materials ResearchAdvanced Materials ResearchJournal of Petroleum Science and EngineeringJournal of Bioscience and BioengineeringAdvanced Materials ResearchAdvanced Materials ResearchTransport in Porous MediaProceedings - SPE Annual Technical Conference and ExhibitionProceedings - SPE Annual Technical Conference and ExhibitionSociety of Petroleum Engineers - SPE Enhanced Oil Recovery Conference 2011, EORC 2011Society of Petroleum Engineers - SPE Enhanced Oil Recovery Conference 2011, EORC 2011Journal of Industrial Microbiology and BiotechnologyCommunications in Computer and Information ScienceChemical Engineering TransactionsBioresource TechnologyTransport in Porous MediaEnergy Sources, Part A: Recovery, Utilization and Environmental Effects17th Australasian Fluid Mechanics Conference 2010Xi'an Shiyou Daxue Xuebao (Ziran Kexue Ban)/Journal of Xi'an Shiyou University, Natural Sciences EdiTransport in Porous Media

Advances in Experimental Medicine and BiologySociety of Petroleum Engineers - 72nd European Association of Geoscientists and Engineers ConfereShiyou Xuebao/Acta Petrolei SinicaOilfield ChemistrySPE - DOE Improved Oil Recovery Symposium ProceedingsSPE - DOE Improved Oil Recovery Symposium ProceedingsProceedings - SPE Symposium on Improved Oil RecoveryProceedings - SPE Symposium on Improved Oil RecoveryScientia IranicaCurrent Opinion in MicrobiologyJournal of Microbiology and BiotechnologyXi'an Shiyou Daxue Xuebao (Ziran Kexue Ban)/Journal of Xi'an Shiyou University, Natural Sciences EdiSociety of Petroleum Engineers - SPE/IATMI Asia Pacific Oil and Gas Conference and Exhibition 2009International Journal of Oil, Gas and Coal TechnologyShiyou Huagong Gaodeng Xuexiao Xuebao/Journal of Petrochemical UniversitiesShiyou Huagong Gaodeng Xuexiao Xuebao/Journal of Petrochemical UniversitiesBeijing Huagong Daxue Xuebao (Ziran Kexueban)/Journal of Beijing University of Chemical TechnologyIranian Journal of BiotechnologyZhongguo Shiyou Daxue Xuebao (Ziran Kexue Ban)/Journal of China University of Petroleum (Edition oZhongguo Shiyou Daxue Xuebao (Ziran Kexue Ban)/Journal of China University of Petroleum (Edition oAnalytical ChemistryPetroleum Science and TechnologyOilfield ChemistrySociety of Petroleum Engineers - SPE Indian Oil and Gas Technical Conference and Exhibition 2008: "The Changing Landscape Emerging Proceedings - SPE Annual Technical Conference and ExhibitionBiochemical Engineering JournalJournal of Microbiological MethodsInternational Journal of Environmental Science and TechnologyJournal of Industrial Microbiology and BiotechnologyColloids and Surfaces B: BiointerfacesAsian Journal of ChemistryShiyou Xuebao/Acta Petrolei SinicaAIChE Annual Meeting, Conference ProceedingsSociety of Petroleum Engineers - 69th European Association of Geoscientists and Engineers Conferenc2007 AIChE Annual MeetingPetroleum Science and TechnologyJournal of Petroleum Science and EngineeringSPE Production and Operations Symposium, ProceedingsSPE Production and Operations Symposium, ProceedingsSPE International Symposium on Oilfield Chemistry ProceedingsProceedings - SPE International Symposium on Oilfield Chemistry12th Abu Dhabi International Petroleum Exhibition and Conference, ADIPEC 2006: Meeting the IncrXi'an Shiyou Daxue Xuebao (Ziran Kexue Ban)/Journal of Xi'an Shiyou University, Natural Sciences EdiWorld OilXinan Shiyou Xueyuan Xuebao/Journal of Southwestern Petroleum InstituteOilfield ChemistryFresenius Environmental BulletinJournal of Petroleum Science and Engineering

13th European Symposium on Improved Oil Recovery 20052005 International Petroleum Technology Conference ProceedingsSPE Production and Operations Symposium, ProceedingsJournal of Petroleum Science and EngineeringOilfield ChemistryStudies in Surface Science and CatalysisShiyou Kantan Yu Kaifa/Petroleum Exploration and DevelopmentShiyou Xuebao/Acta Petrolei SinicaShiyou Xuebao/Acta Petrolei SinicaSPE - DOE Improved Oil Recovery Symposium ProceedingsSoil Biology and BiochemistryEnergy SourcesJournal of Trace and Microprobe TechniquesOilfield ChemistryOilfield ChemistryProceedings - SPE Symposium on Improved Oil RecoveryShiyou Kantan Yu Kaifa/Petroleum Exploration and DevelopmentProceedings - SPE Symposium on Improved Oil RecoverySPE Reservoir Evaluation and EngineeringOilfield ChemistryBiochemical Engineering JournalOilfield ChemistryShiyou Huagong Gaodeng Xuexiao Xuebao/Journal of Petrochemical UniversitiesJournal of Petroleum TechnologyOilfield ChemistryOilfield ChemistryJianghan Shiyou Xueyuan Xuebao/Journal of Jianghan Petroleum InstituteOilfield ChemistryShiyou Xuebao/Acta Petrolei SinicaOil Gas European MagazineJPT, Journal of Petroleum TechnologyShiyou Xuebao/Acta Petrolei SinicaJournal of Petroleum TechnologyXi'an Shiyou Xueyuan Xuebao/Journal of Xi'an Petroleum Institute (Natural Science Edition)Proceedings - SPE Annual Technical Conference and ExhibitionWorld Petroleum Congress ProceedingsSPE Reservoir Engineering (Society of Petroleum Engineers)Sekiyu Gakkaishi (Journal of the Japan Petroleum Institute)Sekiyu Gakkaishi (Journal of the Japan Petroleum Institute)Geoengineering in arid lands. Developments in arid regions research 1.Sekiyu Gakkaishi (Journal of the Japan Petroleum Institute)Sekiyu Gakkaishi (Journal of the Japan Petroleum Institute)SPE Latin American and Caribbean Petroleum Engineering Conference ProceedingsSekiyu Gakkaishi (Journal of the Japan Petroleum Institute)Proceedings - SPE Symposium on Improved Oil RecoverySPE - Asia Pacific Oil & Gas ConferenceOilfield ChemistryJournal of Petroleum Science and Engineering

Proceedings - SPE Symposium on Improved Oil RecoveryBioresource TechnologyProceedings - SPE Production Operations SymposiumEuropean Petroleum Conference - ProceedingsProceedings - SPE Symposium on Improved Oil RecoveryDevelopments in Petroleum ScienceDevelopments in Petroleum ScienceAmerican Chemical Society, Division of Petroleum Chemistry, PreprintsProceedings - SPE Annual Technical Conference and Exhibition

Applied Microbiology and BiotechnologyMicrobial enhancement of oil recovery - recent advances. Proceedings of a conference, Norman, Oklahoma, May-June 1990Developments in Petroleum ScienceDevelopments in Petroleum ScienceDevelopments in Petroleum ScienceDevelopments in Petroleum ScienceDevelopments in Petroleum ScienceDevelopments in Petroleum ScienceCurrent Opinion in BiotechnologyAIChE Symposium Series

Proceedings - SPE Annual Technical Conference and ExhibitionProceedings - SPE Annual Technical Conference and ExhibitionSociety of Petroleum Engineers of AIME, (Paper) SPEDevelopments in Petroleum ScienceDevelopments in Petroleum ScienceDevelopments in Petroleum ScienceJournal of Industrial MicrobiologySPE Reservoir Engineering (Society of Petroleum Engineers)

Society of Petroleum Engineers of AIME, (Paper) SPESociety of Petroleum Engineers of AIME, (Paper) SPEProceedings of the Intersociety Energy Conversion Engineering ConferenceOil and Gas JournalSociety of Petroleum Engineers journalSociety of Petroleum Engineers of AIME, (Paper) SPEApplied and Environmental MicrobiologyPreprints Symposia

Energy Technology: Proceedings of the Energy Technology Conference

American Chemical Society, Division of Petroleum Chemistry, PreprintsAmerican Chemical Society, Division of Petroleum Chemistry, PreprintsAntonie van Leeuwenhoek

Volume Issue Art. No. Page start Page end Page count Cited by35 22 2141 214831 21 2311 2317

734-737 1434 1439144 44 49

47 15 8970 8977170 5 1080 1093

31 12 1249 1258111 259 268 2

5 3 1205 121228 3 54 5819 2 335 34123 1 106 117 2

5 1 118 1232 1385 1394

62 4 1779 1789 23 1593 15981 135 145

94-95 155 164 227 97 10295 3 811 821 3

Proceedings - International Conference on Communication Systems and Network Technologies, CSNT 2012 6200659 282 2841 321 332

92 3 819 835 468 56 64 1092 2 373 39647 2 209 215

110-116 1996 2003365 326 331345 233 238

81 49 56 4113 1 84 87 5365 305 311

361-363 393 39990 3 949 964 2

3 2406 24232 1635 16461 103 1101 410 414

38 11 1761 1775 4224 CCIS PART 1 143 149

24 889 894 1102 10 6153 6158 3

87 1 77 104 733 10 972 989 3

607 61025 4 50 5385 3 785 802 7

672 146 157 72 1173 1184

31 6 989 992+99727 2 205 208 1

1 506 5152 1274 12801 506 5152 1274 1280

17 1 C 46 54 113 3 316 320 3019 10 1230 1237 924 4 58 61+68 2

2 786 7932 4 315 330 2

22 4 41 44+48 322 4 34 3736 SUPPL. 1 74 78

7 4 216 223 333 3 114 117+127 133 3 108 113 181 10 4130 4136 427 16 1880 1893 225 4 369 373

Society of Petroleum Engineers - SPE Indian Oil and Gas Technical Conference and Exhibition 2008: "The Changing Landscape Emerging 308 3211 303 327

42 2 172 179 3375 2 225 230 24

5 3 385 390 835 6 619 628 1063 1 73 82 4620 4 2623 262729 1 111 115 5

104 2460 2461

1025 11 1353 1366 3458 1-Feb 161 172 42

599 606524 534229 237229 237

2 817 82221 6 44 48 3

227 10 85 93 228 5 65 6823 3 289 292 115 7 675 681 252 1-Apr 275 286 28

158 165 31559 1566

SPE 94213 267 27348 3-Apr 265 271 2821 4 372 375 390

151 405 445 731 6 88 425 6 63 67 725 5 70 74 5

636 7 1149 1159 3725 9 871 877 521 3 533 541 320 2 192 196 219 4 382 386 361

793 80329 6 94 2

977 9895 5 365 374 15

19 3 111 2-Mar 197 199 1919 2 178 181 115 2 1454 2 3018 4 378 382 118 4 383 388 123 SUPPL. 121 12218 1 76 7822 2 56 927 1 22 25 453 1 57 5822 1 54 853 1 57 58 115 5 25 28

SIGMA 741 756 12 199 201

B 741 75643 1 43 51 143 1 59 69 12

343 34943 4 274 285 243 2 91 104 2

1 8 142 5 342 351 7

2 85 89451 466 2

13 2 16015 2-Apr 309 320 19

1 127 134 551 1 1 12 287

693 708 12/- 367 374

1 171 179 1139 C 245 26339 C 355 362 338 2 270 274

Pi 547 555533 536497 502 4

36 6 833 835 17Microbial enhancement of oil recovery - recent advances. Proceedings of a conference, Norman, Oklahoma, May-June 1990 530 2

31 C 173 18231 C 11 20 131 C 277 29631 C 451 466 231 C 387 398 831 C 37 44 3

2 3 444 449 487 280 134 140 2

143 148Gamma 169 176 1Gamma 159 168 5GAMMA 19686 567 578

22 C 125 149 122 C 209 213 117 PART B 423 450

4 3 215 229 294 2 151 154 16646 34

449 45681 85

673 67782 52 59 60 324 1 33 37 43

387 39346 5 1066 1072 2628 3 768

76 79 1140 148 1864 875

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28 3 76827 3 797 77921 1 1 8

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AffiliationsKey Laboratory of Marine Chemistry Theory and Technology, Ministry of Education, Ocean University oInstitute of Porous Flow and Fluid Mechanics, Chinese Academy of Sciences, Langfang, China; ResearcPetroleum Production Engineering Research Institute, Hubei Oilfield Company, Renqiu Hebei 062552,State Key Laboratory of Heavy Oil Processing, Faculty of Chemical Engineering, China University of Energy Bioscience Institute, University of California, Berkeley, CA 94720, United States; Department oFaculty of Chemical Engineering, Babol Noshirvani University of Technology, Babol, Iran; Institute of Faculty of Chemical Engineering, Babol Noshirvani University of Technology, Babol, Iran; Australian ScCICECO - Chemistry Department, University of Aveiro, Portugal; IBB - Institute for Biotechnology andDepartment of Mechanical Engineering, FEAT, Annamalai University, Annamalai Nagar, Cuddalore (dt), Research Institute of Oil Production Technology, Huabei Oilfield Company, Renqiu 062552, Hebei, ChiResearch Institute of Oil Production Technology, Shengli Oilfield Company, SINOPEC, Dongying 2570College of Science, Biology Department, Sultan Qaboos University, Oman; College of Engineering, College of Engineering, Peking University, Beijing 100871, China; Exploration and Development InstitDuPont, CanadaInstitute of Porous Flow and Fluid Mechanics, Chinese Academy of Sciences, LangFang, China; MailboxUniversity of Minho, Portugal; University of Aveiro, Portugal; Partex Oil and Gas, PortugalNTNU, Norway; Statoil, NTNU, NorwaySchool of Chemical, Biological and Environmental Engineering, Oregon State University, 103 Gleeson HSection of Chemical Engineering, Aalborg University Esbjerg, DenmarkKey Laboratory of Marine Reservoir Evolution, Hydrocarbon Accumulation Mechanism, Ministry of EducCollege of Chemical Engineering, China University of Petroleum (Beijing), Beijing, China; Fluid Flows iChina University of Petroleum (East China), China; Exploration and Development Institute, CNPC ChaSchool of Chemical, Biological, and Environmental Engineering, Oregon State University, 103 Gleeson IBB - Institute for Biotechnology and Bioengineering, Centre of Biological Engineering, University oSchool of Mechanical Engineering, The University of Western Australia, Perth, WA 6009, Australia; State Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy Institute of Porous Flow and Fluid Mechanics, Chinese Academy of Science, Langfang, China; LangfaCollege of Chemistry and Environmental Engineering, Yangtze University, Jingzhou 434023, China; S09 Biotechnology Base Classes, College of Life Science, Shandong University, Jinan, 250100, China; SPetroleum Exploration and Production Research Institute, SINOPEC, Beijing 100083, China; Institute Engineering for Sustainable Carbon Cycle (INPEX Corporation) Social Cooperation Program, Frontier College of Chemistry and Environmental Engineering, Yangtze University, Jingzhou 434023, ChinaCollege of Life Sciences, Daqing Normal University, Daqing, Heilongjiang 163712, China; ExplorationNorwegian University of Science and Technology, NTNU, Trondheim, NorwayOregon State University, School of Chemical, Biological, and Environmental Engineering, United StateDuPont Canada, CanadaUniversity of Aberdeen, United KingdomDaqing Oilfield Co., Ltd., ChinaLaboratory of Microbiology, School of Environmental Sciences, University of Guelph, Guelph, ON NSchool of Life Sciences, Fudan University, Shanghai, China; School of Petroleum Engineering, NortheaSection for Chemical Engineering, Esbjerg Institute of Technology, Aalborg University, Niels Bohr VeState Key Laboratory of Heavy Oil Processing, Faculty of Chemical Engineering, China University of School of Mechanical Engineering, The University of Western Australia, Crawley, WA 6009, AustraliaPetroleum Engineering, UAE University, PO Box 17555, Al Ain, United Arab EmiratesSchool of Mechanical Engineering, University of Western Australia, Perth, WA 6009, Australia; CSIRState Key Laboratory of Continental Dynamics, Department of Geology, Northwest University, Xi'an DTU CERE, Soltofts Plads, 229, 2800 Lyngby, Denmark

NCIM Resource Center, Division of Biochemical Sciences, National Chemical Laboratory, Pune 411 008Technical University of Denmark, Denmark; University of Southern California, United StatesInstitute of Porous Flow and Fluid Mechanics, Chinese Academy of Sciences, Langfang 065007, ChinaInstitute of Porous Flow and Fluid Mechanics, Chinese Academy of Sciences, Langfang, Hebei 065007,SPE, United States; Norwegian University of Science and Technology, Norway; NTNU, NorwayPETROBRAS, BrazilNorwegian University of Science and Technology, NTNU, NorwayPETROBRAS, BrazilDepartment of Chemical and Petroleum Engineering, Sharif University of Technology, P.O. Box 11155-Mississippi State University, 449 Hardy Rd. Room 131 Etheredge Hall, P.O. Box GY, Biological SciencesDepartment of Microbiology and Biotechnology Centre, Faculty of Science, Maharaja Sayajirao UniverNo. 1 Production Plant, Changqing Oilfield Company, Yan'an 716000, Shaanxi, ChinaOGRINDO-Institut Teknologi Bandung, Indonesia; Mathematics-Institut Teknologi Bandung, Indonesia;Petroleum and Chemical Engineering Department, College of Engineering, Sultan Qaboos University,Faculty of Chemical Science and Engineering, China University of Petroleum, Beijing 102249, ChinaFaculty of Chemical Science and Engineering, China University of Petroleum, Beijing 102249, ChinaCollege of Life Science and Technology, Beijing University of Chemical Technology, Beijing 100029, CBiotechnology Group, Faculty of New Science and Technology, University of Isfahan, P.O. Box 81746734College of Petroleum Engineering in China University of Petroleum, Dongying 257061, China; Oil ProCollege of Petroleum Engineering in China University of Petroleum, Dongying 257061, China; Oil ProdPetroleum Reservoir Group, Department of Geoscience, University of Calgary, 2500 University DriveEnvironmental Biotechnology Laboratory, Centre for Energy Studies, Indian Institute of Technology, College of Petroleum Engineering, China University of Petroleum, Dongying, Shangdong 257061, ChinUniversity of Engineering and Technology Lahore, PakistanUniversity of Alberta, Canada; University of Calgary, CanadaThe Petroleum and Petrochemical College, Chulalongkorn University, Bangkok, 10330, Thailand; FaculDepartment of Microbiology, Biotechnology Centre, Faculty of Science, Vadodara, 390 002 Gujarat, IDepartment of Microbiology, Islamic Azad University, North Tehran Branch, Tehran, Iran; EnvironmenKey Laboratory of Molecular Microbiology and Technology, Ministry of Education, Tianjin 300071, ChinaDepartment of Molecular Biology and Biotechnology, Tezpur University, Napaam, Tezpur, 784028 AssDepartment of Pharmaceutical Chemistry, Dayananda Sagar College of Pharmacy Kumaraswamy LayouDaqing Petroleum Institute, Daqing 163318, China; Exploration and Development Institute, Daqing ODivision of Chemistry and Chemical Engineering, California Institute of Technology, 738 Arrow Granc University of Engineering and TechnologyDivision of Chemistry and Chemical Engineering, California Institute of Technology, 738 Arrow Granc Institute of Biology, Center of Microbiology, Romanian Academy, Bucharest, Romania; Department of CSchool of Chemical and Petroleum Engineering, Shiraz University, Shiraz, Iran; Department of Chemical U. of Engineering and Technology, Lahore, PakistanSPE, Anadarko Petroleum Corp., United States; SPE; SPE, U. of Oklahoma, Norman, United StatesSPE, P.O. Box 833836, Richardson, TX 75083-3836, United States; California Inst. of Technology, UnitSPE; California Inst. of Technology, United StatesSPE; Natl. Iranian Oil Co., Iran; Islamic Azad U. of Tehran, IranKey Laboratory of Education Minister for Ocean Chemistry and Chemical Engineering, Ocean UniversityUniversity of Wyoming, United States; Extreme Petroleum Technology, Inc., Casper, WY, United StatSouthwest Petroleum University, Chengdu 610500, ChinaKey Laboratory of Exploration Technologies for Oil and Gas Resources, Ministry of Education, YangtzDipartimento di Scienze dei Sistemi Colturali, Forestali e dell'Ambiente, Università Della Basilicata, VStatoil ASA, Trondheim, Norway; Norwegian University of Science and Technology, Trondheim, Nor

StatoilASA, Norway; UNIFOBAS, Norway; SINTEF Petroleum Research, Norway; Norwegian University Statoil ASA, Norway; Unifob AS, NorwaySPE; U. of Oklahoma, United StatesDepartment of Chemistry, East China University of Science and Technology, Shanghai 200237, China; http://www.scopus.com/inward/record.url?eid=2-s2.0-23844504081&partnerID=40&md5=efdea60Chugai Technos Co. Ltd., 9-20 Yokogawa-Shinmachi, Nisi-ku Hiroshima City 733-0013, Japan; Akita Un

http://www.scopus.com/inward/record.url?eid=2-s2.0-12444298106&partnerID=40&md5=eec8cdd6857d981fc743905003bfe0f7Huazhong Agricultural University, Wuhan 430070, China; Department of Geochemistry, Yangtze UniversInst. of Porous Flow and Fluid Mech., Chinese Acad. of Sci., Langfang 065007, China; Res. Inst. of PeSPE, P.O. Box 833836, Richardson, TX 75083-3836, United States; University of Oklahoma, United StaMacaulay Institute, Craigiebuckler, Aberdeen AB15 8QH, United Kingdom; Department of Plant and SPetroleum and Natural Gas Eng. Dept., Middle East Technical University, Inönü Bulvari Ankara 06531Chemistry Department, UAE University, P.O. Box 17551, Al-Ain, United Arab Emirates; Chemistry DepRes. Inst. of Petrol. Explor./Devmt., Jilin Oilfield Branch, PetroChina, Songyuan, Jilin 138001, China; http://www.scopus.com/inward/record.url?eid=2-s2.0-0037742464&partnerID=40&md5=b146ac60Cairo University, Egypt

http://www.scopus.com/inward/record.url?eid=2-s2.0-0036996566&partnerID=40&md5=139b49c4b439f00c392a8ce033a7bbe8Ctr. for Petrol./Geosystems Eng., University of Texas at Austin, United StatesDept. of Petroleum/Geosystems Eng., The U. of Texas, Austin, United StatesResearch Institute of Oil Production Technology, Shengli Oilfield Company, Sinopec, Dongying, ShanState Key Laboratory of Microbial Technology, Shandong University, Jinan 250100, China; PetroleumLife College, Nanki University, Tianjin 300071, China; Liaohe Oilfield Company, PetroChina, Panjing,

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College of Chemical Engineering, Petroleum University, ChinaCollege of Chemical Engng, University of Petroleum, China

http://www.scopus.com/inward/record.url?eid=2-s2.0-0035446719&partnerID=40&md5=d7dd947f3f5d8163d4645ad8eadc89b6Pet. Explor./Devmt. Tech. Res. Ctr., Dagang Oilfield Company, PetroChina, China; Scientific and Tech

http://www.scopus.com/inward/record.url?eid=2-s2.0-0035265511&partnerID=40&md5=ea1c90e6dece9e96db931ade9b8a8e6dUnited Arab Emirates University, Al Ain, United Arab EmiratesU. of Texas, Austin, TX, United States

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Xianhe Production Plant, Shengli Petroleum Adiministration Bureau, Dongying, Shandong 257068, ChUniv of Texas at Austin, Austin, United States

http://www.scopus.com/inward/record.url?eid=2-s2.0-0344121156&partnerID=40&md5=a278ac84871c81c2be1f13c57a9f04b3University of Texas at Austin, Austin, TX, United StatesLifescience Lab., Kansai Research Institute, 17 Chudoji Minami-machi, Shimogyo-ku, Kyoto 600-8813Japan National Oil Corp., Fukoku Seimei Building, 2-2 Uchisaiwaicho 2-chome, Chiyoda-ku, Tokyo 10United Arabs Emirates University, Al-Ain, United Arab EmiratesLifescience Research Center, Kansai Research Institute, Japan; Technology Research Center, Japan NaDept. of Geoscience and Technology, Graduate School of Engineering, Tohoku University, Japan; LifesSPE, United StatesLifescience Lab., Kansai Research Institute, 17 Chudoji Minami-machi, Shimogyo-ku, Kyoto 600-8813BDM Petroleum TechnologiesJapan Natl Oil Corp, JapanEOR Department, Res. Inst. of Explor. and Devmt., Daqing Petroleum Administration, Daqing, HelongjKing Saud University, College of Engineering, P.O. Box 800, Riyadh 11421, Saudi Arabia; Cairo Universit

BDM-Oklahoma, Inc, United StatesDepartment of Biology, United Arab Emirates University, PO Box 1 7551, Al-Ain, Abu-Dhabi, United AAlpha Environmental Midcontinent, IncRussian Acad of SciencesGeo-Microbial Technologies IncaTrinidad and Tobago Oil Company Limited (TRINTOC), Pointe-A-Pierre, Trinidad and Tobago; CaribbeaMicro-Bac International, Inc., 9607 Gray Blvd, Austin, TX 78758, United StatesBrookhaven Natl Lab, Upton, United StatesU. of Texas, United StatesVNIIStatoil A/SPetroleum Engineering Department, Middle East Technical University, 06531 Anakara, Turkey

http://www.scopus.com/inward/record.url?eid=2-s2.0-0026272617&partnerID=40&md5=0017f1fd1a3e61fb43ec0fe0f92bad4dAlpha Environmental Inc., P.O. Box 90218, Austin, TX 78709, United StatesINJECTECH, Inc., P. O. Box 360, East Main Street, Ochelata, OK 74051, United StatesBiosystems and Process Sciences Division, Department of Applied Science, Brookhaven National LaboBio Tech, Inc., 1235 Sovereign Row, Oklahoma City, OK 73108, United StatesKombinat Erdol-Erdgas, Gommern, GermanyCSIRO Microbiology Research Unit, Applied Science, University of Canberra, P.O. Box 1, Belconnen, ANova Husky Research Corporation, Calgary, Alta., CanadaUniv of Oklahoma, Norman, United StatesBrookhaven Natl Lab, United StatesUniv of OklahomaUniv of Alaska-Fairbanks, Fairbanks, United StatesSoc of Petroleum Engineers

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School of Petroleum and Geological Engineering, University of Oklahoma, 100 East Boyd, Suite F304Natl Inst for Petroleum & Energy, Research

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School of Engineering, University of Southern California, University Park, Los Angeles, CA 90089-0242U. S. Department of Energy, Bartlesville, OK 74003, United StatesTexas A&M Univ, Petroleum, Research Committee, College Station,, TX, USA, Texas A&M Univ, PetroInst of Biological Sciences, Bucharest, Rom, Inst of Biological Sciences, Bucharest, Rom

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Queen Mary Coll, Dep of Plant, Biology & Microbiology, London,, Engl, Queen Mary Coll, Dep of Planthttp://www.scopus.com/inward/record.url?eid=2-s2.0-0020719683&partnerID=40&md5=84dfdc5da885953a40c4ffbd360c501ahttp://www.scopus.com/inward/record.url?eid=2-s2.0-0020176558&partnerID=40&md5=91ba95952f64170abb99523424c1c3b4

Laboratory of Microbiology, Technological University, Delft, Netherlands

Authors with affiliationsBao, M., Key Laboratory of Marine Chemistry Theory and Technology, Ministry of Education, Ocean UniveXia, W.J., Institute of Porous Flow and Fluid Mechanics, Chinese Academy of Sciences, Langfang, ChinWu, G., Petroleum Production Engineering Research Institute, Hubei Oilfield Company, Renqiu Hebei 0Sun, S., State Key Laboratory of Heavy Oil Processing, Faculty of Chemical Engineering, China UniverZhu, H., Energy Bioscience Institute, University of California, Berkeley, CA 94720, United States; CarlAmani, H., Faculty of Chemical Engineering, Babol Noshirvani University of Technology, Babol, Iran; MülAmani, H., Faculty of Chemical Engineering, Babol Noshirvani University of Technology, Babol, Iran; HaPereira, J.F.B., CICECO - Chemistry Department, University of Aveiro, Portugal; Gudiña, E.J., IBB - InSaikia, U., Department of Mechanical Engineering, FEAT, Annamalai University, Annamalai Nagar, CuddKe, C.-Y., Research Institute of Oil Production Technology, Huabei Oilfield Company, Renqiu 062552,Liu, T., Research Institute of Oil Production Technology, Shengli Oilfield Company, SINOPEC, DongyiAl-Bahry, S.N., College of Science, Biology Department, Sultan Qaboos University, Oman; Elsahfie, Xiaolin, W., College of Engineering, Peking University, Beijing 100871, China, Exploration and DeveloJackson, S.C., DuPont, Canada; Alsop, A.W., DuPont, Canada; Fallon, R., DuPont, Canada; Perry, M.P.Wenjie, X., Institute of Porous Flow and Fluid Mechanics, Chinese Academy of Sciences, LangFang, ChiGudiña, E.J., University of Minho, Portugal; Rodrigues, L.R., University of Minho, Portugal; Teixeira, J.AShabani-Afrapoli, M., NTNU, Norway; Crescente, C., Statoil, NTNU, Norway; Li, S., NTNU, Norway; AlArmstrong, R.T., School of Chemical, Biological and Environmental Engineering, Oregon State UniversiJimoh, I.A., Section of Chemical Engineering, Aalborg University Esbjerg, Denmark; Søgaard, E.G., SeZhang, F., Key Laboratory of Marine Reservoir Evolution, Hydrocarbon Accumulation Mechanism, MinistrZhou, Y., College of Chemical Engineering, China University of Petroleum (Beijing), Beijing, China; WangYao, C.J., China University of Petroleum (East China), China; Lei, G.L., China University of PetroleuArmstrong, R.T., School of Chemical, Biological, and Environmental Engineering, Oregon State UniversGudiña, E.J., IBB - Institute for Biotechnology and Bioengineering, Centre of Biological Engineering,Li, J., School of Mechanical Engineering, The University of Western Australia, Perth, WA 6009, AustrXiaowei, P., State Key Laboratory of Biochemical Engineering, Institute of Process Engineering, ChinXiu, J., Institute of Porous Flow and Fluid Mechanics, Chinese Academy of Science, Langfang, China;She, Y., College of Chemistry and Environmental Engineering, Yangtze University, Jingzhou 434023, Zhang, N., 09 Biotechnology Base Classes, College of Life Science, Shandong University, Jinan, 250100Zheng, C., Petroleum Exploration and Production Research Institute, SINOPEC, Beijing 100083, China;Kobayashi, H., Engineering for Sustainable Carbon Cycle (INPEX Corporation) Social Cooperation ProgShu, F., College of Chemistry and Environmental Engineering, Yangtze University, Jingzhou 434023, CHuang, Y., College of Life Sciences, Daqing Normal University, Daqing, Heilongjiang 163712, China; DAfrapoli, M.S., Norwegian University of Science and Technology, NTNU, Trondheim, Norway; AlipourArmstrong, R.T., Oregon State University, School of Chemical, Biological, and Environmental EngineeriJackson, S.C., DuPont Canada, Canada; Fisher, J., DuPont Canada, Canada; Alsop, A., DuPont Canada,Gao, C.H., University of Aberdeen, United KingdomHou, Z., Daqing Oilfield Co., Ltd., China; Dou, X., Daqing Oilfield Co., Ltd., China; Jin, R., Daqing OilfielHarner, N.K., Laboratory of Microbiology, School of Environmental Sciences, University of Guelph, Liu, S., School of Life Sciences, Fudan University, Shanghai, China; Liang, S., School of Petroleum EnJimoh, I.A., Section for Chemical Engineering, Esbjerg Institute of Technology, Aalborg University, NSun, S., State Key Laboratory of Heavy Oil Processing, Faculty of Chemical Engineering, China UniversLi, J., School of Mechanical Engineering, The University of Western Australia, Crawley, WA 6009, AuGao, C.H., Petroleum Engineering, UAE University, PO Box 17555, Al Ain, United Arab Emirates; ZekriLi, J., School of Mechanical Engineering, University of Western Australia, Perth, WA 6009, AustraliSong, H.-X., State Key Laboratory of Continental Dynamics, Department of Geology, Northwest UniversNielsen, S.M., DTU CERE, Soltofts Plads, 229, 2800 Lyngby, Denmark; Shapiro, A.A., DTU CERE, Soltof

Khire, J.M., NCIM Resource Center, Division of Biochemical Sciences, National Chemical Laboratory, Nielsen, S.M., Technical University of Denmark, Denmark; Jessen, K., University of Southern CalifornXiu, J., Institute of Porous Flow and Fluid Mechanics, Chinese Academy of Sciences, Langfang 065007Zheng, C.-G., Institute of Porous Flow and Fluid Mechanics, Chinese Academy of Sciences, Langfang, HShabani Afrapoli, M., SPE, United States, Norwegian University of Science and Technology, Norway,Reksidler, R., PETROBRAS, Brazil; Garcia Torres Volpon, A., PETROBRAS, Brazil; Ferreira Barbosa, L.C.Shabani Afrapoli, M., Norwegian University of Science and Technology, NTNU, Norway; Alipour, S., Reksidler, R., PETROBRAS, Brazil; Volpon, A.G.T., PETROBRAS, Brazil; Barbosa, L.C.F., PETROBRAS, BraziAdelzadeh, M.R., Department of Chemical and Petroleum Engineering, Sharif University of Technology,Brown, L.R., Mississippi State University, 449 Hardy Rd. Room 131 Etheredge Hall, P.O. Box GY, BiologSuthar, H., Department of Microbiology and Biotechnology Centre, Faculty of Science, Maharaja SayajChen, W.-X., No. 1 Production Plant, Changqing Oilfield Company, Yan'an 716000, Shaanxi, China; Hu,Halim, A.Y., OGRINDO-Institut Teknologi Bandung, Indonesia; Fauzi, U.D., Mathematics-Institut TeknoAl-Wahaibi, Y., Petroleum and Chemical Engineering Department, College of Engineering, Sultan QabSun, S.-S., Faculty of Chemical Science and Engineering, China University of Petroleum, Beijing 10224Zhang, Z.-Z., Faculty of Chemical Science and Engineering, China University of Petroleum, Beijing 102Wu, Y., College of Life Science and Technology, Beijing University of Chemical Technology, Beijing 100Salehizadeh, H., Biotechnology Group, Faculty of New Science and Technology, University of Isfahan, Wang, D.-Q., College of Petroleum Engineering in China University of Petroleum, Dongying 257061, ChiLei, G.-L., College of Petroleum Engineering in China University of Petroleum, Dongying 257061, ChinOldenburg, T.B.P., Petroleum Reservoir Group, Department of Geoscience, University of Calgary, 250Agarwal, P., Environmental Biotechnology Laboratory, Centre for Energy Studies, Indian Institute of Ma, J.-Y., College of Petroleum Engineering, China University of Petroleum, Dongying, Shangdong 257Rafique, M.A., University of Engineering and Technology Lahore, Pakistan; Ali, U., University of EngiGray, M.R., University of Alberta, Canada; Yeung, A., University of Alberta, Canada; Foght, J.M., UnivPornsunthorntawee, O., The Petroleum and Petrochemical College, Chulalongkorn University, Bangkok,Suthar, H., Department of Microbiology, Biotechnology Centre, Faculty of Science, Vadodara, 390 002 Haghighat, S., Department of Microbiology, Islamic Azad University, North Tehran Branch, Tehran, IrWang, J., Key Laboratory of Molecular Microbiology and Technology, Ministry of Education, Tianjin 300Bordoloi, N.K., Department of Molecular Biology and Biotechnology, Tezpur University, Napaam, TezPriyadarshini, S.R.B., Department of Pharmaceutical Chemistry, Dayananda Sagar College of PharmWang, D., Daqing Petroleum Institute, Daqing 163318, China; Liu, Y., Daqing Petroleum Institute, DaWang, Q., Division of Chemistry and Chemical Engineering, California Institute of Technology, 738 ArrZahid, S., University of Engineering and TechnologyWang, Q., Division of Chemistry and Chemical Engineering, California Institute of Technology, 738 ArrLazar, I., Institute of Biology, Center of Microbiology, Romanian Academy, Bucharest, Romania; PetrisSoudmand-asli, A., School of Chemical and Petroleum Engineering, Shiraz University, Shiraz, Iran; AyatZahid, S., U. of Engineering and Technology, Lahore, Pakistan; Khan, H.A., U. of Engineering and TechMaudgalya, S., SPE, Anadarko Petroleum Corp., United States; Knapp, R.M., SPE; McInerney, M.J., SPFang, X., SPE, P.O. Box 833836, Richardson, TX 75083-3836, United States; Wang, Q., SPE, P.O. Box 83Fang, X., SPE; Wang, Q.; Bai, B., SPE; Liu, X.C.; Tang, Y.; Shuler, P.J., SPE; Goddard II, W.A., CaliforniaGhadimi Gheshlaghi, M.R., SPE, Natl. Iranian Oil Co., Iran; Ardjmand, M., Islamic Azad U. of Tehran, IrKong, X.-P., Key Laboratory of Education Minister for Ocean Chemistry and Chemical Engineering, OceaMokhatab, S., University of Wyoming, United States; Giangiacomo, L.A., Extreme Petroleum TechnologLi, K., Southwest Petroleum University, Chengdu 610500, China; Li, Y., Southwest Petroleum UniversDeng, Y., Key Laboratory of Exploration Technologies for Oil and Gas Resources, Ministry of EducatioScopa, A., Dipartimento di Scienze dei Sistemi Colturali, Forestali e dell'Ambiente, Università Della BaKowalewski, E., Statoil ASA, Trondheim, Norway; Rueslåtten, I., Norwegian University of Science a

Kowalewski, E., StatoilASA, Norway; Rueslåtten, I., StatoilASA, Norway; Gilje, E., StatoilASA, NorwaKowalewski, E., Statoil ASA, Norway; Rueslåtten, I., Statoil ASA, Norway; Boassen, T., Statoil ASA, NoMaudgalya, S., SPE; Mclnerney, M.J., SPE; Knapp, R.M., SPE; Nagle, D.P., U. of Oklahoma, United StatJinfeng, L., Department of Chemistry, East China University of Science and Technology, Shanghai 20023rd Company of Downhole Services, Shengli Oilfield Company, Sinopec, Dongying, Shandong 257237, CFujiwara, K., Chugai Technos Co. Ltd., 9-20 Yokogawa-Shinmachi, Nisi-ku Hiroshima City 733-0013, JWang, W.-D.; Wei, B.; Tan, Y.-X.; Wang, X.-L.Xiang, T.-S., Huazhong Agricultural University, Wuhan 430070, China, Department of Geochemistry, YanJing, G.-C., Inst. of Porous Flow and Fluid Mech., Chinese Acad. of Sci., Langfang 065007, China; Liu, Maudgalya, S., SPE, P.O. Box 833836, Richardson, TX 75083-3836, United States, University of OklahoBundy, J.G., Macaulay Institute, Craigiebuckler, Aberdeen AB15 8QH, United Kingdom, Department ofBehlülgil, K., Petroleum and Natural Gas Eng. Dept., Middle East Technical University, Inönü BulvarRauf, M.A., Chemistry Department, UAE University, P.O. Box 17551, Al-Ain, United Arab Emirates, ChDuan, J.-J., Res. Inst. of Petrol. Explor./Devmt., Jilin Oilfield Branch, PetroChina, Songyuan, Jilin 1380Coll. of Chem./Chemical Engineering, China Ocean University, Qingdao, Shandong 266003, China; Res.Sayyouh, M.H., Cairo University, EgyptLi, X.-C.; Qi, Y.-L.; Zhang, L.; Zhang, H.Delshad, M., Ctr. for Petrol./Geosystems Eng., University of Texas at Austin, United States; Asakawa, KBryant, S.L., Dept. of Petroleum/Geosystems Eng., The U. of Texas, Austin, United States; Lockhart, TWang, W.-D., Research Institute of Oil Production Technology, Shengli Oilfield Company, Sinopec, DoLi, Q., State Key Laboratory of Microbial Technology, Shandong University, Jinan 250100, China; KanHuang, Y., Life College, Nanki University, Tianjin 300071, China; Liang, F.-L., Life College, Nanki UniZhang, Z.-Z.; Li, Q.-Z.; Wang, H.-J.; Guo, S.-H.

Li, Q.-Z., College of Chemical Engineering, Petroleum University, China; Zhang, Z.-Z., College of ChemZhang, Z.-Z., College of Chemical Engng, University of Petroleum, China; Li, Q.-Z., College of ChemicaHe, G.-Z.; Zeng, F.-G.; Xiang, T.-S.; Mei, B.-W.; She, Y.-H.; Xu, F.Feng, Q.-X., Pet. Explor./Devmt. Tech. Res. Ctr., Dagang Oilfield Company, PetroChina, China, ScientiLei, G.L.Zekri, A.Y., United Arab Emirates University, Al Ain, United Arab EmiratesBryant, S.L., U. of Texas, Austin, TX, United States; Lockhart, T.P., U. of Texas, Austin, TX, United StateZhang, T.S.; Lan, G.Z.; Deng, L.; Deng, X.G.; Zhang, C.Q.Bryant, S.L.; Lockhart, T.P.Wang, Z.-Y., Xianhe Production Plant, Shengli Petroleum Adiministration Bureau, Dongying, ShandongBryant, Steven L., Univ of Texas at Austin, Austin, United States; Lockhart, Thomas P., Univ of Texas aVolpon, A.G.T.; De Melo, M.A.Bryant, S.L., University of Texas at Austin, Austin, TX, United States; Lockhart, T.P.Fujiwara, K., Lifescience Lab., Kansai Research Institute, 17 Chudoji Minami-machi, Shimogyo-ku, KYonebayashi, H., Japan National Oil Corp., Fukoku Seimei Building, 2-2 Uchisaiwaicho 2-chome, ChiZekri, A.Y., United Arabs Emirates University, Al-Ain, United Arab EmiratesFujiwara, K., Lifescience Research Center, Kansai Research Institute, Japan, Technology Research CenEnomoto, H., Dept. of Geoscience and Technology, Graduate School of Engineering, Tohoku University,Maure, M.A., SPE, United States, ; Dietrich, F.L., SPE, United States, Fujiwara, K., Lifescience Lab., Kansai Research Institute, 17 Chudoji Minami-machi, Shimogyo-ku, KyEvans, D.B., BDM Petroleum Technologies; Stepp, A.K., BDM Petroleum Technologies; French, T., BYonebayashi, H., Japan Natl Oil Corp, Japan; Ono, K., Japan Natl Oil Corp, Japan; Enomoto, H., Japan NatYue, J.-J., EOR Department, Res. Inst. of Explor. and Devmt., Daqing Petroleum Administration, DaqinDesouky, S.M., King Saud University, College of Engineering, P.O. Box 800, Riyadh 11421, Saudi Arabia; A

Bryant, Rebecca S., BDM-Oklahoma, Inc, United States; Lindsey, Rhonda P., BDM-Oklahoma, Inc, UnitBanat, I.M., Department of Biology, United Arab Emirates University, PO Box 1 7551, Al-Ain, Abu-DhaPortwood, J.T., Alpha Environmental Midcontinent, IncSitnikov, A.A., Russian Acad of Sciences; Eremin, N.A., Russian Acad of Sciences; Ibattulin, R.R., RussiHitzman, D.O., Geo-Microbial Technologies Inc; Sperl, G.T., Geo-Microbial Technologies IncMaharaj, U., aTrinidad and Tobago Oil Company Limited (TRINTOC), Pointe-A-Pierre, Trinidad and TobNelson, L., Micro-Bac International, Inc., 9607 Gray Blvd, Austin, TX 78758, United States; Schneider, Premuzic, Eugene T., Brookhaven Natl Lab, Upton, United States; Lin, Mow S., Brookhaven Natl Lab, Rouse, Bruce, U. of Texas, United States; Hiebert, Franz, U. of Texas, United States; Lake, L.W., U. of Matz, A.A., VNII; Borisov, A.Y., VNII; Mamedov, Y.G., VNII; Ibatulin, R.R., VNIISunde, Egil, Statoil A/S; Beeder, Janiche, Statoil A/S; Nilsen, R.K., Statoil A/S; Torsvik, Terje, Statoil A/Behlulgil, K., Petroleum Engineering Department, Middle East Technical University, 06531 Anakara,Donaldson, E.C.Lichaa, A., Alpha Environmental Inc., P.O. Box 90218, Austin, TX 78709, United States; Oppenheimer, Hitzman, D.O., INJECTECH, Inc., P. O. Box 360, East Main Street, Ochelata, OK 74051, United StatesPremuzic, E.T., Biosystems and Process Sciences Division, Department of Applied Science, BrookhavePelger, J.W., Bio Tech, Inc., 1235 Sovereign Row, Oklahoma City, OK 73108, United StatesWagner, M., Kombinat Erdol-Erdgas, Gommern, GermanySheehy, A.J., CSIRO Microbiology Research Unit, Applied Science, University of Canberra, P.O. Box 1,Jack, T.R., Nova Husky Research Corporation, Calgary, Alta., CanadaKnapp, R.M., Univ of Oklahoma, Norman, United States; Silfanus, N.J., Univ of Oklahoma, Norman, UnPremuzic, E.T., Brookhaven Natl Lab, United States; Lin, M., Brookhaven Natl Lab, United StatesChisholm, J.L., Univ of Oklahoma; Kashikar, S.V., Univ of Oklahoma; Knapp, R.M., Univ of Oklahoma; Islam, M.R., Univ of Alaska-Fairbanks, Fairbanks, United StatesBryant, R.S., Soc of Petroleum Engineers; Burchfield, T.E., Soc of Petroleum Engineers; Chase, K.L., Jack, T.R.; Shaw, J.; Wardlaw, N.; Costerton, J.W.Grula, E.A.; Russell, H.H.; Grula, M.M.Bryant, R.S.; Donaldson, E.C.; Yen, T.F.; Chilingarian, G.V.Raiders, R.A., School of Petroleum and Geological Engineering, University of Oklahoma, 100 East BoBryant, Rebecca S., Natl Inst for Petroleum & Energy, Research; Burchfield, Thomas E., Natl Inst forKing, J.W.Bryant, R.S., IITRI/NIPER, IITRI/NIPER; Douglas, J., IITRI/NIPER, IITRI/NIPERAnderson, D.L., Montana Coll of Mineral Sciences, & Technology, MT, USA, Montana Coll of Mineral Zajic, J.E., Univ of Texas at El Paso, TX, USA, Univ of Texas at El Paso, TX, USAKnabe, Steven P., Pennzoil Co, Houston, TX, USA, Pennzoil Co, Houston, TX, USAJenneman, Gary E.; Knapp, Roy M.; McInerney, Michael J.; Menzie, D.E.; Revus, D.E.Jang, Long-Kuan; Sharma, M.M.; Yen, T.F.Jang, L.K., School of Engineering, University of Southern California, University Park, Los Angeles, CADonaldson, E.C., U. S. Department of Energy, Bartlesville, OK 74003, United StatesCrawford, Paul B., Texas A&M Univ, Petroleum, Research Committee, College Station,, TX, USA, TexLazar, I., Inst of Biological Sciences, Bucharest, Rom, Inst of Biological Sciences, Bucharest, RomFinnerty, W.R.; Singer, M.E.

Moses, V., Queen Mary Coll, Dep of Plant, Biology & Microbiology, London,, Engl, Queen Mary Coll, DDonaldson, E.C.McInerney, M.J.; Jenneman, G.E.; Revus, D.E.; Knapp, R.M.; Menzie, D.E.La Rivière, J.W.M., Laboratory of Microbiology, Technological University, Delft, Netherlands

AbstractMicrobial enhanced oil recovery utilizes microorganisms and their metabolic products to improve the oPseudomonas aeruginosa WJ-1, an indigenous rhamnolipid (RL)-producing bacterium, was isolated fromBased on the low- temperature and heavy oil reservoir of conventional injection well pattern separateEnterobacter cloacae strain JD, which produces water-insoluble biopolymers at optimal temperature oMicrobial processes that produce solid-phase minerals could be judiciously applied to modify rock porosity with subsequent alteration and improvement of floodwater sweep in petroleum reservoirs. HowRecently, several investigations have been carried out on the in situ bacteria flooding, but the ex sIn the research, biosurfactant production and the optimization of biosurfactant production conditioBiosurfactant production by three Bacillus subtilis strains (#309, #311 and #573) isolated from BraziMEOR is involved in the third phase of oil recovery namely tertiary phase to lift heavy oil from reseA rapid qualitative and quantitative analysis method for the organic acid in the produced fluid with gIn order to study the effect of microbial enhanced oil recovery (MEOR), the feasibility of microbial Microbial enhanced oil recovery (MEOR) is one of the most economical and efficient methods for extenIn order to develop the peripheral part of Daqing oilfield, one mixed bacteria system was screened aFor the last 7 years DuPont with different partners has done research into the application of Microbial Enhanced Oil Recovery technology (MEOR). In laboratory tests, we have observed in excess of 15% iA strain isolated from the oil reservoir in northern China was identified as Geobacillus pallidus by Microbial Enhanced Oil Recovery (MEOR) is a tertiary oil recovery process in which microorganisms and their metabolites are used to retrieve unrecoverable oil from mature reservoirs. Stimulation of microMicrobial Improved Oil Recovery (MIOR) processes use bacteria or their bioproducts to help mobiliziMicrobial Enhanced Oil Recovery (MEOR) is a process where microorganisms are used for tertiary oil rCarbon dioxide produced by microbes during microbial enhanced oil recovery process (MEOR) promotes oil displacement and productivity through re-pressurization of the oil field and dissolution of the rocBased on preliminary investigation of microbial populations in a high pour-point oil reservoir, an iFuzzy clustering analysis is a widely used fuzzy mathematics method ,which could be applied in variousUnder the laboratory simulation of HTHP reservoir (65°C, 11MPa), the indigenous microorganisms in Z3 Block of Sinopec Shengli Oilfield were activated selectively; the total number of bacteria, the surfMicrobial enhanced oil recovery (MEOR) is a technology that could potentially increase the tertiary Microbial Enhanced Oil Recovery (MEOR) is potentially useful to increment oil recovery from a reservResidual oil saturation reduction and microbial plugging are two crucial factors in microbial-enhancThere are currently few successful examples of using straw hemicellulose as a carbon source in the fTo successfully simulate the anaerobic metabolic process of Indigenous Microbial Enhanced Oil RecoveCulture-based techniques were applied to analyze the diversity of indigenous microbial communities Analyzed the evaluation of microbial enhanced oil recovery quality based on the Fuzzy AHP. Obtained thA hydrocarbon-degrading strain, Rhodococcus ruber Z25, was isolated from the formation brine in DaqWe examined methane production by microorganisms collected from a depleted oilfield. Our results inBiotechnological nutrient flooding was applied to the North block of the Kongdian Oilfield during 20In order to probe a new enhanced oil recovery technology during the post polymer flooding process, A fundamental study of microscopic mechanisms and pore-level phenomena in the Microbial Improved OiMicrobial Enhanced Oil Recovery (MEOR) is a process where microorganisms are used for tertiary oil recovery. Numerous mechanisms have been proposed in the literature through which microorganisms facilFor the last 6 years DuPont with different partners has done extensive fundamental research into the application of Microbial Enhanced Oil Recovery technology (MEOR). We have demonstrated two mechaniMany successful field cases of microbial enhanced oil recovery (MEOR) method have been reported for sandstone reservoirs. The objective of this study is to investigate the potential of MEOR method inTo seek an effective oil recovery approach, Brevibacillus brevis and Bacillus cereus were screened and applied in a Microbial Enhanced Oil Recovery (MEOR) process to recover oil from Daqing low permeabThe Athabasca Oil Sands are located within the Western Canadian Sedimentary Basin, which covers overIn this paper, we introduced the application status of microbial enhanced oil recovery technology aIn this study core laboratory experiments were performed on chalk samples from Danish sector of the North Sea to study microbial fluid-rock interactions with carbonate rock and to evaluate the dissolutiMicrobial enhanced oil recovery (MEOR) is a petroleum biotechnology for manipulating function and/orMicrobial-enhanced oil recovery (MEOR) has been considered as a promising technique to further increThe microbial-enhanced oil recovery method relies on microorganisms and their metabolic products to Microbial enhanced oil recovery (MEOR) is a potential low cost method for increasing crude oil recovery. Before MEOR field applications can be performed with confidence, it is important to understand In order to enhance the output and the recovery factor in Jianggou block of ZiChang Oilfield, and the We have developed a mathematical model describing the process of microbial enhanced oil recovery (MEOR

Surfactants are chemically synthesized surface-active compounds widely used for large number of applications in various industries. During last few years there is increase demand of biological surfacMicrobial enhanced oil recovery (MEiOR) utilizes the activity of microorganisms, where microorganisms simultaneously grow in a reservoir and convert substrate into recovery enhancing products (usuallyBased on the two-step (aerobic/anaerobic) stimulation theory, the present paper studied the indigenA hydrocarbon-oxidising strain was isolated from the production water of Daqing Oilfield, which was Results of coreflooding experiments with Rhodococcus sp. 094 species have already revealed that the bacterium is able to increase oil recoveries up to 9 %. Subsequent investigations have been carried out in order to recognize the complex mechanisms. Although published results proposed wettability changes in core plugs and favourable changes in the flow pattern as the active mechanisms but the potential of interfacial tension (IFT) and contact angle parameters was not fully understood in an aerobic process. The present paper is a continuation of a series of laboratory experiments and consists of intAn onshore oilfield, located in the northeast of Brazil, is being submitted to a microbial EOR method to reduce problems associated with high permeability zones. Ten water injection wells were selected to the field trial. The method consists in the dosage of nutrients and an electron acceptor in the injection water, in order to stimulate microorganisms to produce biomass and biopolymer to plug high permeability zones. Pressure, flow rate and injectivity profile are being monitored. The results demonstrated that the process is effective. Five wells indicated the plugging of the high permeability zone, dResults of coreflooding experiments with Rhodococcus sp. 094 species have already revealed that the bacterium is able to increase oil recoveries up to 9 %. Subsequent investigations have been carried oAn onshore oilfield, located in the northeast of Brazil, is being submitted to a microbial EOR method to reduce problems associated with high permeability zones. Ten water injection wells were selected The effect of an efficient biosurfactant produced from Pseudomonas aeroginosa MR01, a bacterial strainTwo-thirds of the oil ever found is still in the ground even after primary and secondary production. Microbial enhanced oil recovery (MEOR) is one of the tertiary methods purported to increase oil recThe selective plugging strategy of Microbial Enhanced Oil Recovery (MEOR) involves the use of microbMany of oil wells will be exhausted in 30 years by using mechanical, physical and chemical recovery mIndonesia has officially declared its withdrawal from OPEC membership in September 2008 because of failing to meet its oil production quota as what is determined. For that reason, effective and environmThe different microbial technologies to enhance oil recovery have not yet been proven for two main reaThe application of three thermophilic bacteria (named GW1, GW2, GW5, respectively) in microbial enhIn order to obtain more analyses and estimate correctly and accurately to improve Microbial EnhanceAs its biological reproducible ability, low price and high return, we attach more importance to microA bacterial strain (designated as Alcaligenes sp. MS-103) isolated from oil sample of the Aghajari oThe major environmental factors affecting microbial enhanced oil recovery (MEOR) are pressure, temUnder simulated reservoir conditions, the forms and flow phenomena of remaining oil during water floodMost of the world's remaining petroleum resource has been altered by in-reservoir biodegradation which adversely impacts oil quality and production, ultimately making heavy oil. Analysis of the microThere are obvious advantages of biosurfactants over chemical surfactants. The developing shortage of Aerobic biosurfactant producing bacteria W18, DM-2 and SH-1 and anaerobic biogas producing bacteria While demand for petroleum products continuous to rise, petroleum production worldwide is in a steady decline. However, new developments in technology and the rise in world oil prices give promise thThis paper summarizes a critical review of possible microbially enhanced oil recovery (MEOR) methods and mechanisms to identify the most plausible utilization of microbial technology to enhance oil recIn this present study, two types of biosurfactant-producing microorganisms, Bacillus subtilis PT2 an

Microbially produced lipopeptide have been isolated and studied for microbial enhanced oil recovery. AA field experiment was performed to monitor changes in exogenous bacteria and to investigate the diMicrobial enhanced oil recovery (MEOR) is potentially useful to recover incremental oil from a reseProduction of microbial oil by fermentation process using oleaginous organisms is one of the potentialThe physicoehemical properties of surfactin generated from a bacillus subtilis strain ZW-3. such as cr[No abstract available]In today's world oil market, economic production of hydrocarbons requires carefully engineered recovery projects of increasing technical complexity and sophistication. As the search for additional oilRhamnolipids, as the extensively studied biosurfactants, are a subclass of glycolipids. Rhamnolipid-producing bacteria are developed by introducing key genes of rhamnolipid biosynthesis into a wild type strain that is devoid of rhamnolipid biosynthesis capability, via either transposon or plasmid. The engineered strain is then used to produce rhamnolipids from different substrates. This two-stage rhamnolipid flooding gave two peaks of oil recovery. The results highlighted the promising application of rhamnolipid for EOR uses. This is an abstract of a paper presented at the 2007 AIChE Annual Meeting (SaMicrobial enhanced oil recovery (MEOR) represents the use of microorganisms to extract the remainingThese experiments aim to investigate the microbial enhanced oil recovery (MEOR) technique in fracturOil and natural gas are vital for any economy and the importance of these resources in determining the social stability and economic viability of a nation is enormous. As the search for petroleum contOne form of tertiary oil recovery that does not require exceptional investments is microbial enhanced oil recovery (MEOR). With abundant and easily producible oil supplies dwindling, MEOR could be anA study on engineered rhamnolipid biosurfactants as EOR agents that potentially could be manufactured at low cost from renewable resources, and have lower toxicity than synthetic EOR surfactants was carried out. This biosurfactant comes mainly from the microbe Pseudomonas aeruginosa. An approach to clone the genetic information from a P. aeruginosa strain into E. coli to manipulate systematically the structure of the created rhamnolipids was presented. Rhanmolipid biosurfactants might be applicable as EOR agents. Biotechnology methods might be applied to engineer new non-pathogenic E. coli sThis investigation considered engineered rhamnolipid biosurfactants as EOR agents that potentially could be manufactured at low cost from renewable resources, and have lower toxicity than synthetic ENowadays, the experts in biotechnology and oil engineering cooperate to improve the production of oil reservoirs. A large portion of the world energy consists of non-renewable fossilized fuels; the primThe potential of enhancing recovery factor by microbial oil displacement in 2 blocks of Gaoqianbei aThe cost effective and environmental friendly Microbial Oil Recovery (MEOR) by the bacterial effects is presented. The microbial works to improve oil recovery, evaluating the potential gain in oil proIn this article, the actuality of internal and overseas study of Microbial Enhanced Oil Recovery numThe present status and the developments of microbial enhanced oil recovery (MEOR) for heavy oil resIn this work, we tried a method based on molecular analysis to assess the natural microbial remediaMicrobial Improved Oil Recovery (MIOR) utilizes the effect of oil degrading bacteria that grow on the

Bacillus licheniformis K125, isolated from an oil reservoir, produces an effective bioemulsifier. The crude bioemulsifier showed 66% emulsification activity (E24) and reduced the surface tension of water from 72 to 34 mN/m. It contains substantial amount of polysaccharide, protein and lipid. This bioemulsifier is pseudoplastic non-Newtonian in nature. It forms oil in water emulsion which remains stable at wide range of pH, temperature and salinity. It gave 43 ± 3.3% additional oil recovery upon application to a sand pack column designed to simulate an oil reservoir. This is 13.7% higher than that obtained from crude lipopeptide biosurfactants produced by the standard strain, Bacillus mojavensis JF2 and 8.5% higher than hot water spring isolate, Bacillus licheniformis TT42. The increased oil recovery obtained by using the crude bioemulsifier can be attributed to its combined surface and emulsification activity. Its mechanism of oil recovery must be similar to the mechanism exhibited by surfactant-polymer flooding process of chemical enhanced oil recovery. © 2008 Elsevier B.V. All rights reserved.

Microbial Improved Oil Recovery (MIOR) involves stimulation of oil-degrading bacteria in order to mobilize previously trapped and bypassed oil. This paper presents a bacteria stimulated aerobic core expSeveral mechanisms have been proposed to account for the increased oil recovery observed as a result of Microbial Improved Oil Recovery (MIOR) processes, both in laboratory experiments and field casesExperiments focused on tertiary oil recovery of waterflood residual oil using a bio-surfactant flooding process are reported in this paper. Significant quantities of water flood residual oil were recoveTo evaluate the technical feasibility and effectiveness of improving oil recovery by microbial enhancWu, B.-Z., 3rd Company of Downhole Services, Shengli Oilfield Company, Sinopec, Dongying, Shandong[No abstract available][No abstract available]Microbiological, geochemical and production characteristics of the formation liquid in Dagang OilfieBacteria taken the glycolipid surfactant as the main metabolic production and producing a little low-The effectiveness of a bio-surfactant-based microbial EOR process was studied. Bio-surfactant produced by the bacterium Bacillus mojavensis JF-2 mobilized and recovered residual oil when mixed with a co-surfactant, 2,3-butanediol and partially hydrolyzed polyacrylamide (PHPA) and flooded through sand packs at waterflood residual oil saturation. Twenty to eighty percent of the residual oil was recovered depending on the bio-surfactant concentration. The recovery was linearly dependent on bio-surfactant concentration. The injection of a viscous solution ahead of the surfactant solution and a visUnderstanding the effects of oil contamination on the composition and function of soil microbiota entIn this study, experimental conditions of the microbial enhanced oil recovery (MEOR) technique applieTwo strains of Bacillus species, namely BS-I and BS-II were used to degrade the crude oil samples. A monographic review covers characteristics, principles, and functions in microbial EOR (MEOR) of poBao, M.-T., Coll. of Chem./Chemical Engineering, China Ocean University, Qingdao, Shandong 266003, More than ten strains of bacteria were isolated from Saudi and Egyptian crude oils and formation waters. Experimental investigation was carried out to identify the bacterial isolates, determine the com[No abstract available]Our chemical flooding simulator UTCHEM has been under development for many years and continues to evolve as a general purpose chemical simulator. We have extended the capability of this simulator We assess processes for enhancing oil recovery by means of microbes (MEOR) from the perspectives of reservoir and reaction engineering. In this work, MEOR refers to recovering incremental oil by increaMicrobial reservoir stimulation and EOR (MRS/MEOR) are very prospective with continuously increased Pseudomonas aeruginosa (P-1) and its metabolic products (PIMP) of 10% could enhance the oil recovery The crude oils produced from reservoir in block Leng-43, Liaohe, are characterized by resin-asphaltene[No abstract available]During the Permian Basin Section's October 2001 meeting, speaker Steven Bryant addressed the topic "Microbial EOR (MEOR) - A sober look at an infectious idea". According to Bryant, MEOR is an intriguing technology capable of functioning as a self-perpetuating and self-guiding recovery process. The process involves the injection of microbes with nutrients into the injection well, shutting the well in for a period of time to allow the microbes to propagate, then resuming injection with water and possibly more nutrients. Once injected, these microbes, which can thrive under downhole conditions, become numerous tiny "downhole chemical factories" (DCF) that produce various chemicals, e.g., biosurfactants and biopolymers, which can help unlock trapped oil reserves. An MEOR flood is a chemical EOR flood produced in situ by these DCF. For the price of a waterflood, an operator could obtain the much higher displacement efficiency of this chemical EOR process.A discussion of advances in laboratory studies on microbial enhanced oil recovery (MEOR) covers scrA review of advances in researches on field trials for microbial enhanced oil recovery (MEOR) in Chin[No abstract available]A list of analyses and measurements for monitoring the performance of microbial EOR (MEOR) programs i[No abstract available]Several literature reviews have been published on microbial enhanced oil recovery (MEOR). This paper updates the state of art in MEOR process and presents a summary of field projects. The most common practice technique of MEOR is cyclic stimulation treatment of production wells. Normally small amount of microbial solution injected in a single well and left to soak for a period of time before putting the well back on production. This process results in a limited volume of the reservoir being treated. This usual type of treatment is easy to implement, quick response and relatively inexpensive. ThGenerally, microbial enhanced oil recovery (MEOR) recovers less of the remaining oil in place than other chemical EOR processes, both in the laboratory and the field. Efforts to explain this difference ar[No abstract available]Microbial enhanced oil recovery (MEOR) recovers less of the remaining oil in place than other chemical EOR processes. Efforts to elucidate this difference are limited by the lack of quantitative measures of microbial performance. Thus, a study was carried out that adopted a reservoir-engineering perspective, focusing on issues such as process design, scaling up laboratory results, and field implementation and operation. The use of microbes introduced reaction engineering into reservoir engineering, with related concepts including nutrient-reaction kinetics and selectivity, bioreactor volume, and minimum required level of conversion. These concepts allowed quantitative relationships between reservoir properties, operating conditions, and microbial performance. Analysis with plausible values of reservoir and microbial parameters indicated that an MEOR process using in-situ carbon must overcome severe performance constraints. The use of an ex-situ carbon source circumvented or relaxed some of the technical constraints, but the logistical and cost advantages of an in-situ source were lost. Microbial gas production contributed to oil recovery. Analysis revealed that it was unlikely that gases, e.g., CH4 and CO2 could be produced in situ in quantities required for effective oil displacement. InShengli Oil Field is characterized by complex geologic configuration, developed faults, various types Processes for enhancing oil recovery by means of microbes (MEOR) from the perspective of reservoir and reaction engineering were examined. Results lead to the conclusion that MEOR is potentially a 'hiMicrobial methods have been proposed to reduce problems associated with reservoir heterogeneity that result in unswept zones and low off recovery. Laboratory results of a promising microbial system for polymer production, which could be applied to modify the reservoir permeability, were presented. Consequently, redistribution of fluids occurred, increasing swept zones and off recovery. Coreflooding experiments were carried out in a sandstone model, with and without oil, using polymer producing bacterium isolated from wells of Carmópolis field, Brazil. The microbial cells, as well as the requiWe assess processes for enhancing oil recovery by means of microbes (MEOR) from the perspective of reservoir and reaction engineering. In this work, MEOR implies recovering incremental oil by means of iA fluorescence in situ hybridization (FISH) technique using 16S rRNA-targeted oligonucleotide probes was developed for rapid detection of microorganisms for use in the microbial enhancement of oil recovery (MEOR) process. Two microorganisms, Enterobacter cloacae TRC-322 and Bacillus licheniformis TRC-18-2-a, were selected from a collection of Enterobacter sp. and Bacillus sp. which were screened in previous studies as candidate microorganisms for injection, and were used for this experiment. Oligonucleotide probes, design based on specific sequences in the 16S rRNA gene were labeled with either fThe objective of this study is to screen effective microorganisms for the Microbial Enhanced Oil Recovery process (or simply as MEOR). Samples of drilling cuttings, formation water, and soil were collected from domestic drilling sites and oil fields. Moreover, samples of activated-sludge and compost were collected from domestic sewage treatment facility and food treatment facility. At first, microorganisms in samples were investigated by incubation with different media; then they were isolated. By two stage-screening based on metabolizing ability, 4 strains (Bacillus licheniformis TRC-18-2-a, EnterobacterSeveral literature reviews have been published on microbial enhanced oil recovery (MEOR). This paper updates the state of art in MEOR process and presents a summary of field projects. The most common Behavior of bacteria activated in reservoir through molasses-injection tests was studied using the reA series of experiments was conducted to screen microbes for microbial EOR process. First, the samplesFeasibility tests involving Microbial Improvement Technology were carried out with two main productive formations in Piedras Coloradas Oilfield, Mendoza Province, Argentina. Six producer wells were under a systematic program of inoculations using hydrocarbon-degrading anaerobic-facultative microorganisms. Project performance in terms of fractional flow evolution was correlated with well completion configuration and reservoir petrophysics using parametric models and compared on a well-by-well basis with corresponding decline and complementary baselines. Incremental oil averaged 66% over Evaluation of effectiveness of restriction fragment length polymorphism (RFLP) analysis of the 16S rRNA gene of microorganisms injected into an oil reservoir, for monitoring their levels over time, was conducted. Two microorganisms, Enterobacter cloacae TRC-322 and Bacillus licheniformis TRC-18-2-a, were focused in this paper among the microorganisms selected for injection, and gene fragments of the 16S rRNA gene of these microorganisms were amplified by polymerase chain reaction (PCR), using one set of universal primers. Samples of the reservoir brine and reservoir rock were obtained; the miAqueous mixture of alkali and surfactants combine with microbial technology for an innovative and cost effective technique for crude oil recovery is described. The acid content of crude oil was increaJapan National Oil Corporation (JNOC)/Technology Research Center (TRC) has been studying the Microbial Enhanced Oil Recovery (MEOR) process which makes effective use of microorganism's metabolism since On the basis of the knowledge and experience of a pilot MEOR test of in-situ microorganizm fermentatA one-dimensional model was developed to simulate the process of enhanced oil recovery by microorganisms. The model involves five components (oil, water, bacteria, nutrient and metabolites), with adsor

Microbial enhanced oil recovery (MEOR) technology has advanced, since 1980, from a laboratory-based evaluation of microbial processes, to field applications internationally. In order to adequately sSurfactants are widely used for various purposes in industry, but for many years were mainly chemicalThis paper discusses a data-base of information collected from 322 projects, all treated with the same Microbial Enhanced Oil Recovery process. An analysis of the data quantifies the effectiveness and ecThis paper deals with the microbial enhanced oil recovery method. It covers: 1. Mechanism of microbial influence on the reservoir was analyzed; 2. The main groups of metabolites affected by the hydrodA new technology based on the existence and microbial utilization of the preformed volatile fatty acid content of the reservoir waters, prevents sulfate reduction by sulfate reducing bacteria by the compeAbstract: The Trinidad and Tobago Oil Company Limited (TRINTOC) possesses approximately 1300 active oil wells, of which 75% produce less than fifteen (15) barrels per day. The decline in natural production was 15-18% per annum over the last five years. Efforts are underway to examine ways to enhance the oil recovery from existing reservoirs. Since Trinidad and Tobago produces sugar, it was anticipated that MEOR using sugar by-products is a technique by which stripper oil wells may economically produce incremental oil. Of the various options available for using microbes to improve well productivity, it was felt that single well stimulation would provide the most attractive opportunity for TRINTOC to eAbstract: The history of the first commercial microbial culture product for controlling paraffin accumulation in oil field production systems is described. This product is composed of a consortium of different, naturally occurring marine microorganisms that are selectively isolated and adapted to reduce the precipitation of high molecular weight alkanes. First used in 1986 in the Austin Chalk formation, the Para-Bac™ product line began as a single product for paraffin control. Now in use throughout the major producing formations of North America, the product line currently consists of over twelve different products directed at enhanced oil recovery, mitigation of sulfate-reducing bacteria, as well as contrExperimental data dealing with the interactions between certain microbial species and crude oils indicates that these interactions are selective and occur via biochemical pathways which can be characteriMicrobial enhanced oil recovery (MEOR) is a potentially attractive way to recover additional or incremental oil from a reservoir beyond conventional operations. The objective of this work was to deterThe technology of enhanced oil recovery based on reservoir microflora activation through periodic activation of the injected water with mineral salts of nitrogen and phosphorus added to it, was developed.Aerobic microbial enhanced oil recovery (MEOR), based on the ability of oil degrading bacteria to reduce the interfactal tension between oil and water, is reviewed. This process implies pumping water conMicrobial enhanced oil recovery utilizes microorganisms and their metabolic products to improve the recovery of crude oil from reservoir rocks. In this study an anaerobic bacterium, Clostridium acetobutylToday's oil production technology leaves one third to one half of the original oil in place in the reservoir at abandonment of secondary recovery (waterflooding). This leaves a very large target for microbAbstract: A method is described that measures the concentration of hydrocarbon degrading bacteria (HDB) in samples of fluid collected from oil wells treated with MEOR bacteria. Total HDB populations were enumerated by a serial dilution method and direct counted by optical microscopy. Examples from three field studies indicate that hydrocarbon degrading bacterial populations can be monitored through time and that changes in these populations in an MEOR treated reservoir may provide a measure of bacterial transport. © 1991.Abstract: The United States desperately need a technology today that will effectively release and recover more oil from our known oil reservoirs. Microbial Enhanced Oil Recovery (MEOR) is a low cost technology which now offers a solution for recovering oil before the abandonment of our oil fields. It is now time for the oil industry to seriously consider using MEOR in their field operations. © 1991.Abstract: Developments in MEOR have shown that successful microbial candidates should be able to metabolize crude oils in the presence of high salt concentrations, as well as be able to produce beneficial metabolites such as acids and emulsifying agents. Furthermore, under reservoir conditions, such microorganisms should be viable over extended periods of time at elevated temperatures and pressures. Depending on the depth and manner of application, the ability to grow under anaerobic to low oxygen conditions and oil as a sole source of carbon would also be advantageous. Studies in this laboratory have shown that certain species of thermophilic microorganisms may satisfy MEOR requirements. Seve[No abstract available]Abstract: Laboratory experiments with microbes adapted to subsurface conditions of temperature, pressure and salinity using oilfield carbonate rocks showed successful enhancement of oil recovery. Based on the laboratory work, field application of the adapted Clostridium species were conducted. A decrease of the percentage of produced water from 80 to 60% and an increase of oil production from an average of 50 tons per day to 150 tons per day occurred after treatment with bacteria. © 1991.Abstract: Microorganisms inhabiting petroleum-bearing formations or introduced into subterranean environments are subject to extremes of redox potential, pH, salinity, temperature, pressure, ecological pressure, geochemistry, and energy and nutrient availability. Successful microbial EOR requires the selection, injection, dispersion, metabolism and persistence of organisms with properties that facilitate the release of residual oil and the co-injection of growth effective nutrients into the extreme environments which characterize petroleum reservoirs. Ecological strategies designed to negate previously documented problems in the application of microbial EOR have been shown to be effective in labAfter decades of patent applications and questionable projects, well documented field tests of microbial enhancement of oil recovery are now being reported. These are based on the use of bacteria as agents underground to control fluid flow through selective plugging of channels in the oil reservoir, to enhance the release of oil from waterflood operations through surfactant and gas production, and to increase flow from carbonate reservoirs through acid dissolution of the rock itself. © 1991 Current Biology Ltd.This paper discusses the mechanisms involved in microbial enhanced oil recovery. Specifically, the effects of relative permeability changes caused by biogenically produced gas and changes in the capilMicrobial activity in crude oils under reservoir and storage conditions has been known to exist for a long time. Such activity can cause deleterious effects in the quality and subsequent processing of crPotential mechanisms involved in microbial enhanced oil recovery (MEOR) from sandstone reservoirs are reviewed. Three phase relative permeability studies have shown that residual oil saturation can be reMicrobial enhanced oil recovery (MEOR) is receiving renewed interest worldwide. Microbial enhanced oil recovery involves the injection and transportation of microorganisms into the reservoir followed by nuThe mechanisms of oil mobilization by injection of microbial cells and nutrient have been studied to further develop an engineering methodology for optimizing formulations for oil recovery applications. A[No abstract available][No abstract available][No abstract available]The ability of indigenous populations of microorganisms in Berea sandstone to improve the volumetric Microbial treatments are potentially cost-effective for increasing oil production, even in today's economic conditions. Field applications that use microorganisms can range from single-well to full-scalThis report summarizes the need for, the potential of, and the research still required for microbial enhanced oil recovery (MEOR). Enhanced oil recovery processes are those which recover oil unrecoverable by primary or secondary methods. To date, only chemical flooding, miscible flooding and thermal recovery have been considered as economical recovery techniques. Last year the DOE sponsored international MEOR workshop concluded that MEOR has merit as a cost effective method for recovering residual oil. However, there has been no reliable and documented assessment of the technical and economic aspects of MEOR as compared to other EOR techniques. A review of the literature and the conclusions of the MEOR workshop have been summarized to determine the state of the art of MEOR technology, its advantages and limitations and future.The use of microorganisms to enhance oil recovery has become a technically feasible technology for production from stripper wells (those that produce less than 10 bbl/day). As a result of microbial growtIncreased costs in exploring and developing frontier areas have resulted in greater emphasis in enhanced oil recovery methods. An average of seventy percent of reservoir oil is left after secondary anFactors relating to scale up as well as the technology used in the MEOR (microbial enhanced oil recovery) injection process are considered. The discussion covers properties of the ideal microbe for this aThe concept of microbial enhanced oil recovery (MEOR) is to inject microorganisms into depleted oil reservoirs and increase ultimate recovery via in situ biological processes, e. g. , breakdown of heavy Experiments were conducted to study the feasibility of using microorganisms in EOR, particularly for the correction of permeability variation. The use of microorganisms requires the ability to transpor[No abstract available]This paper presents a bench-scale study on the transport in highly permeable porous rock of three bacterial species - Bacillus subtilis, Pseudomonas putida, and Clostridium acetobutylicum - potentiallA resurgence of interest in the possible applications of microbial systems to processing and production of petroleum has occurred in this decade. It actually began in the 1930's with Dr. Zo Bell' pioneering work at direct applications of microbes for oil recovery. The new approach is a more fundamental effort by microbiologists to understand the complex subsurface environment of a petroleum reservoir in relation to microbial metabolism; and engineers to understand the fundamental activities of microbes before attempting to bring the two systems together. A review of the papers presented at the 1982 Conference on Microbia Enhancement of Oil Recovery, Afton, Oklahoma, will be presented togetherSome oil sands contain bentonite which will swell when one injects fresh water. In many cases the reservoir engineers are required to inject salty, noxious water to keep the water injectivity high. In summThe paper is a review of the investigations carried out in Romania, during the last 10 years, on the use of bacteria for the stimulation of oil release from reservoirs. The research was based on the ide[No abstract available]The volume contains 26 papers which are grouped under general topics that include microbes and their metabolites, transport of bacteria in porous geological materials, application to heavy oils, and fIn the North Sea, the difficult weather conditions, coupled with the depth of water and the distance from the nearest shore base, have resulted in extremely high drilling costs. Crude oil, the very materi[No abstract available][No abstract available]Cultures of 8 micro-organisms, grown in synthetic media free from surface active nutrients, were found to show a marked decrease in surface tension on prolonged incubation. The depression started after about two days cultivation and attained values ranging from 14-34 dyne/cm after 7 days. The possible origin of the substances responsible for this effect is briefly discussed. © 1955 Boekhandel en Uitgeversmaatschappij.

Author Keywordsmicrobe; microbial enhanced oil recovery; oil reservoir; polymer; surfactantbiosurfactant; MEOR; microbial enhanced oil recovery; physical simulation; Pseudomonas aeruginosa; Field trial; Huff and puff with single well; Low-temperature and heavy oil; Microbial oil recoveryCrude oil; Fusant; Microbial enhanced oil recovery (MEOR); Protoplast fusion; Water-insoluble exopo

Microbial processes that produce solid-phase minerals could be judiciously applied to modify rock porosity with subsequent alteration and improvement of floodwater sweep in petroleum reservoirs. HowBiosurfactants; Emulsion index; Enhanced oil recovery; Pseudomonas aeruginosa; RhamnolipidBacillus subtilis; emulsion index; enhanced oil recovery; optimization; surfactinBacillus subtilis; Biosurfactants; MALDI-TOF; MEOR; SurfactinsEnvironmental constraints; Mechanism; Microbial enhanced oil recovery (MEOR); Review; ScienceEnhanced recovery factor; Field monitoring; GC-MS; Microbial metabolite; Microbial oil displacement; Organic acidMicrobial enhanced oil recovery (MEOR); Polymer; Recovery percent; SurfactantCulture-dependent and culture-independent techniques; Denaturing gradient gel electrophoresis; MiChaoyanggou oilfields; Low permeability reservoir; Microbial enhanced oil recovery; Microbial floodi

For the last 7 years DuPont with different partners has done research into the application of Microbial Enhanced Oil Recovery technology (MEOR). In laboratory tests, we have observed in excess of 15% iBiodegradation; Biosurfactant; Geobacillus pallidus; Oil recovery; Thermophilic and halotolerant

Microbial Enhanced Oil Recovery (MEOR) is a tertiary oil recovery process in which microorganisms and their metabolites are used to retrieve unrecoverable oil from mature reservoirs. Stimulation of microBacteria; Biomass; Glass micromodel; Interfacial tension (IFT); MIOR process; Pore scale model; ReserBioclogging; Biosurfactant; Interfacial curvature; Microbial enhanced oil recovery; Micromodel; Mult

Carbon dioxide produced by microbes during microbial enhanced oil recovery process (MEOR) promotes oil displacement and productivity through re-pressurization of the oil field and dissolution of the rocIndigenous microbial enhanced oil recovery (MEOR); Microbial community; Oil reservoir; StimulatedFuzzy Cluster Analysis; Microbial enhanced oil recovery; optimal choice mechanism

Under the laboratory simulation of HTHP reservoir (65°C, 11MPa), the indigenous microorganisms in Z3 Block of Sinopec Shengli Oilfield were activated selectively; the total number of bacteria, the surfInterfacial curvature; Microbial enhanced oil recovery; Multiphase flow; X-ray microtomographyBacillus; Biosurfactant; Degradation; Hydrocarbon; MEOR; Microbial Enhanced Oil RecoveryMEOR; Residual oil saturation; Rock heterogeneity; Simulation; Trapping numberBiodiesel; Hemicellulose; Single cell oil; Steam explosion; StrawAnaerobic; Coupling; Indigenous microorganism; Mathematical model; Microbial field; Porous flow fiBiosurfactant; Degradation of crude oil; Indigenous microbial community; Microbial enhanced oil recAnalytic hierarchy process; Fuzzy system; Microbial enhanced oil recoveryHydrocarbon mechanism; Microbial enhanced oil recovery (MEOR); Phase behavior; Rhodococcus ruFormation water; Methanogen; Microbial enhanced oil recovery; Petroleum reservoir; Subsurface mBiosurfactant; Enhanced oil recovery; Hydrodynamic; Indigenous microorganism; Lower fatty acidCommunity structure; Microbial enhanced oil recovery; Phylogenetic analysisBacteria and Oil-in-water emulsion; Glass micromodel; MIOR; Reservoir engineering

Microbial Enhanced Oil Recovery (MEOR) is a process where microorganisms are used for tertiary oil recovery. Numerous mechanisms have been proposed in the literature through which microorganisms facilFor the last 6 years DuPont with different partners has done extensive fundamental research into the application of Microbial Enhanced Oil Recovery technology (MEOR). We have demonstrated two mechaniMany successful field cases of microbial enhanced oil recovery (MEOR) method have been reported for sandstone reservoirs. The objective of this study is to investigate the potential of MEOR method inTo seek an effective oil recovery approach, Brevibacillus brevis and Bacillus cereus were screened and applied in a Microbial Enhanced Oil Recovery (MEOR) process to recover oil from Daqing low permeab

Bacteria; Biosurfactant; Bitumen; Degradation; Environmental; Methods; Oil sands; Water stressactive mechanism; microbe; oil recovery technique; research status; trend

In this study core laboratory experiments were performed on chalk samples from Danish sector of the North Sea to study microbial fluid-rock interactions with carbonate rock and to evaluate the dissolutiCore flooding; Electrotransformation; Genomic DNA; Microbial enhanced oil recovery (MEOR); WaterCapillary number; MEOR; Residual oil saturation; Two-phase flowbacteria; microbe; oil recovery; petroleum; review

Microbial enhanced oil recovery (MEOR) is a potential low cost method for increasing crude oil recovery. Before MEOR field applications can be performed with confidence, it is important to understand Field test; Laboratory simulation experiment; Microbial oil recovery; Zichang OilfieldBacteria; Interfacial tension; Mathematical modeling; Microbial enhanced oil recovery; Porous media;

Surfactants are chemically synthesized surface-active compounds widely used for large number of applications in various industries. During last few years there is increase demand of biological surfacMicrobial enhanced oil recovery (MEiOR) utilizes the activity of microorganisms, where microorganisms simultaneously grow in a reservoir and convert substrate into recovery enhancing products (usually

Coupling; Indigenous microbe; Mathematical model; Microbial field; Seepage fieldDaqing oilfield; Emulsification index; Eor strain; Microbial enhanced oil recovery (meor); Physical simulation experiment

Results of coreflooding experiments with Rhodococcus sp. 094 species have already revealed that the bacterium is able to increase oil recoveries up to 9 %. Subsequent investigations have been carried out in order to recognize the complex mechanisms. Although published results proposed wettability changes in core plugs and favourable changes in the flow pattern as the active mechanisms but the potential of interfacial tension (IFT) and contact angle parameters was not fully understood in an aerobic process. The present paper is a continuation of a series of laboratory experiments and consists of intAn onshore oilfield, located in the northeast of Brazil, is being submitted to a microbial EOR method to reduce problems associated with high permeability zones. Ten water injection wells were selected to the field trial. The method consists in the dosage of nutrients and an electron acceptor in the injection water, in order to stimulate microorganisms to produce biomass and biopolymer to plug high permeability zones. Pressure, flow rate and injectivity profile are being monitored. The results demonstrated that the process is effective. Five wells indicated the plugging of the high permeability zone, dResults of coreflooding experiments with Rhodococcus sp. 094 species have already revealed that the bacterium is able to increase oil recoveries up to 9 %. Subsequent investigations have been carried oAn onshore oilfield, located in the northeast of Brazil, is being submitted to a microbial EOR method to reduce problems associated with high permeability zones. Ten water injection wells were selected

Biosurfactant; Biosurfactant flooding; Interfacial tension; Oil recovery; Pseudomonas aeroginosa; WaTwo-thirds of the oil ever found is still in the ground even after primary and secondary production. Microbial enhanced oil recovery (MEOR) is one of the tertiary methods purported to increase oil rec

Bacillus licheniformis; Exopolymeric substances; Microbial enhanced oil recovery; Selective pluggingBiosurfactant; Microbial enhanced oil recovery; Oversea research progress

Indonesia has officially declared its withdrawal from OPEC membership in September 2008 because of failing to meet its oil production quota as what is determined. For that reason, effective and environmBioproducts; Microbial enhanced oil recovery; Microbial water shutoff; MicroorganismsFrothing agent; Microbial enhanced oil recovery (MEOR); Oil-field chemical additives; Sulphonate cleanup additive; Thermophilic bacteriaGene marker; Green fluorescent protein (GFP); Microbial enhanced oil recovery (MEOR); Recombinant plasmid; Strain JDMicrobial enhanced oil recovery (MEOR); Performance evaluation; Streptococcus; Tertiary recoveryAlcaligenes; Biosurfactant; Carbonate reservoir; Core flooding; Crude oil; MEOR; Surface tensionCommunity structure; Enhanced oil recovery; Growth and metabolism; Microorganism for microbial eDilatational rheology property; Microbe; Micromechanism; Oil displacement experiment

Most of the world's remaining petroleum resource has been altered by in-reservoir biodegradation which adversely impacts oil quality and production, ultimately making heavy oil. Analysis of the microBacterial isolate; Biosurfactant; Cheaper substrate; MEOR (microbial enhanced oil recovery)Biogas producing microbes; Biosurfactant producing microbes; Functioning mechanisms; Gudao oil reservoirs in Shengli; High temperature and high pressure; Microbes (microorganisms} for EOR; Oil displacement; Remained oil states; Simulation micromodels

While demand for petroleum products continuous to rise, petroleum production worldwide is in a steady decline. However, new developments in technology and the rise in world oil prices give promise thThis paper summarizes a critical review of possible microbially enhanced oil recovery (MEOR) methods and mechanisms to identify the most plausible utilization of microbial technology to enhance oil rec

Bacillus subtilis; Biosurfactants; Growth kinetics; Microbial growth; Oil recovery; Pseudomonas aerugBioemulsifier; Biosurfactant; Microbial Enhanced Oil Recovery; Sand pack columnBacilli; Crude oil; Emulsification activity; Lipopeptide; Surface tensionDenaturing gradient gel electrophoresis (DGGE); Diversity; Exogenous bacteria; Microbial enhanced oiMicrobial oil recovery; Microbial surfactant; Mineral oilAcid hydrolysis; Analysis of variance; Oleaginous organisms; Rhodotourula gracilisBacillus subtilis; Interfacial tensions fermenting liquid; Microbial enhanced oil recovery; Surfactin

In today's world oil market, economic production of hydrocarbons requires carefully engineered recovery projects of increasing technical complexity and sophistication. As the search for additional oilRhamnolipids, as the extensively studied biosurfactants, are a subclass of glycolipids. Rhamnolipid-producing bacteria are developed by introducing key genes of rhamnolipid biosynthesis into a wild type strain that is devoid of rhamnolipid biosynthesis capability, via either transposon or plasmid. The engineered strain is then used to produce rhamnolipids from different substrates. This two-stage rhamnolipid flooding gave two peaks of oil recovery. The results highlighted the promising application of rhamnolipid for EOR uses. This is an abstract of a paper presented at the 2007 AIChE Annual Meeting (Sa

Advanced enhanced oil recovery; Alternative tertiary oil recovery; Improved oil recovery; In situ sBiopolymer; Biosurfactant; Fractured porous media; Glass micromodel; Microbial Enhanced Oil Rec

Oil and natural gas are vital for any economy and the importance of these resources in determining the social stability and economic viability of a nation is enormous. As the search for petroleum contOne form of tertiary oil recovery that does not require exceptional investments is microbial enhanced oil recovery (MEOR). With abundant and easily producible oil supplies dwindling, MEOR could be anA study on engineered rhamnolipid biosurfactants as EOR agents that potentially could be manufactured at low cost from renewable resources, and have lower toxicity than synthetic EOR surfactants was carried out. This biosurfactant comes mainly from the microbe Pseudomonas aeruginosa. An approach to clone the genetic information from a P. aeruginosa strain into E. coli to manipulate systematically the structure of the created rhamnolipids was presented. Rhanmolipid biosurfactants might be applicable as EOR agents. Biotechnology methods might be applied to engineer new non-pathogenic E. coli sThis investigation considered engineered rhamnolipid biosurfactants as EOR agents that potentially could be manufactured at low cost from renewable resources, and have lower toxicity than synthetic ENowadays, the experts in biotechnology and oil engineering cooperate to improve the production of oil reservoirs. A large portion of the world energy consists of non-renewable fossilized fuels; the prim

Bacterial community; Enhancing recovery factor; Jidong Oilfield; Microbial oil displacement; Physical simulation experimentThe cost effective and environmental friendly Microbial Oil Recovery (MEOR) by the bacterial effects is presented. The microbial works to improve oil recovery, evaluating the potential gain in oil pro

EOR; Microbial enhanced oil recovery; Numerical simulation; Parameters optimizationAdvances; Bacterial strains screening; Field trials; Heavy oil reservoirs; Microbial enhanced oil recovery (MEOR); Oil recovery technologies; Review16S rDNA gene; Amplified ribosomal DNA restriction analysis; Natural microbial recovery; Petroleum Interfacial tension; Microbial improved oil recovery; Numerical simulation; Spontaneous imbibition; W

Microbial Improved Oil Recovery (MIOR) involves stimulation of oil-degrading bacteria in order to mobilize previously trapped and bypassed oil. This paper presents a bacteria stimulated aerobic core expSeveral mechanisms have been proposed to account for the increased oil recovery observed as a result of Microbial Improved Oil Recovery (MIOR) processes, both in laboratory experiments and field casesExperiments focused on tertiary oil recovery of waterflood residual oil using a bio-surfactant flooding process are reported in this paper. Significant quantities of water flood residual oil were recove

Enhanced oil recovery; Field pilot; High temperature reservoir; Microbial water-floodingThe chemotaxis of bacteria PBS was experimentally evidenced and the mechanisms involved and the resu

Biotransformation technology; Enhanced oil recovery; Indigenous microorganism; Microbial enhancement of oil recovery mechanisms; Pilot testBacteria; Bio-surfactant; Concentration distribution; Experimental observation; Local enrichment; Microbial enhanced oil recovery; Oil-displacement mechanism

The effectiveness of a bio-surfactant-based microbial EOR process was studied. Bio-surfactant produced by the bacterium Bacillus mojavensis JF-2 mobilized and recovered residual oil when mixed with a co-surfactant, 2,3-butanediol and partially hydrolyzed polyacrylamide (PHPA) and flooded through sand packs at waterflood residual oil saturation. Twenty to eighty percent of the residual oil was recovered depending on the bio-surfactant concentration. The recovery was linearly dependent on bio-surfactant concentration. The injection of a viscous solution ahead of the surfactant solution and a visBioremediation; Carbon substrate utilization; Community structure; Oil contamination; Phospholipid fClostridium acetobutylicum; Mathematical modeling; Microbial enhanced oil recovery; Shut-in pressEnhanced oil recovery; Microbial treatmentBacterial species; DNA reproduction; Field trials; Gene detection; Jilin oil field; Microbial enhanced oil recovery (MEOR); Microorganisms for oil recovery; Polymerase chain reaction (PCR); restriction fragment length polymorphism (RFLP)A review covers classification of microbial EOR (MEOR) into two classes according to the microorganis

More than ten strains of bacteria were isolated from Saudi and Egyptian crude oils and formation waters. Experimental investigation was carried out to identify the bacterial isolates, determine the com

Our chemical flooding simulator UTCHEM has been under development for many years and continues to evolve as a general purpose chemical simulator. We have extended the capability of this simulator We assess processes for enhancing oil recovery by means of microbes (MEOR) from the perspectives of reservoir and reaction engineering. In this work, MEOR refers to recovering incremental oil by increa

Bacteria screening/cultivation; Effects of chemicals; Growth of microorganisms; Microbes for oil recovery; Microbial reservoir stimulation and enhanced oil recovery (MRS/MEOR); Oilfield chemicals; ReviewMicrobial enhanced oil recovery; Pseudomonas; Reducing crude oil viscosityAction of microorganisms on crude oil; Block Leng-43 in Liaohe; Extra-heavy oil reservoir; Microbial enhanced oil recovery(MEOR); Microorganisms for oil production; Mixed bacterial species

During the Permian Basin Section's October 2001 meeting, speaker Steven Bryant addressed the topic "Microbial EOR (MEOR) - A sober look at an infectious idea". According to Bryant, MEOR is an intriguing technology capable of functioning as a self-perpetuating and self-guiding recovery process. The process involves the injection of microbes with nutrients into the injection well, shutting the well in for a period of time to allow the microbes to propagate, then resuming injection with water and possibly more nutrients. Once injected, these microbes, which can thrive under downhole conditions, become numerous tiny "downhole chemical factories" (DCF) that produce various chemicals, e.g., biosurfactants and biopolymers, which can help unlock trapped oil reserves. An MEOR flood is a chemical EOR flood produced in situ by these DCF. For the price of a waterflood, an operator could obtain the much higher displacement efficiency of this chemical EOR process.Advances; Laboratory investigations; Microbial enhanced oil recovery (MEOR); Microbial species screening; Polymerase chain reaction (PCR) technique; Review; Simulation core experimentsAdaptability to reservoir; Field trials; Gene analysis technique (16s-rRNA); Microbes for MEOR; Microbial enhanced oil revovery (MEOR); Operational procedures

Fault-Block No7 of District II in Gangdong (Dagang); Field Test; Microbial Enhanced Oil Recovery (MEOR); Performance Monitoring

Several literature reviews have been published on microbial enhanced oil recovery (MEOR). This paper updates the state of art in MEOR process and presents a summary of field projects. The most common practice technique of MEOR is cyclic stimulation treatment of production wells. Normally small amount of microbial solution injected in a single well and left to soak for a period of time before putting the well back on production. This process results in a limited volume of the reservoir being treated. This usual type of treatment is easy to implement, quick response and relatively inexpensive. ThGenerally, microbial enhanced oil recovery (MEOR) recovers less of the remaining oil in place than other chemical EOR processes, both in the laboratory and the field. Efforts to explain this difference ar

Microbial enhanced oil recovery (MEOR) recovers less of the remaining oil in place than other chemical EOR processes. Efforts to elucidate this difference are limited by the lack of quantitative measures of microbial performance. Thus, a study was carried out that adopted a reservoir-engineering perspective, focusing on issues such as process design, scaling up laboratory results, and field implementation and operation. The use of microbes introduced reaction engineering into reservoir engineering, with related concepts including nutrient-reaction kinetics and selectivity, bioreactor volume, and minimum required level of conversion. These concepts allowed quantitative relationships between reservoir properties, operating conditions, and microbial performance. Analysis with plausible values of reservoir and microbial parameters indicated that an MEOR process using in-situ carbon must overcome severe performance constraints. The use of an ex-situ carbon source circumvented or relaxed some of the technical constraints, but the logistical and cost advantages of an in-situ source were lost. Microbial gas production contributed to oil recovery. Analysis revealed that it was unlikely that gases, e.g., CH4 and CO2 could be produced in situ in quantities required for effective oil displacement. InBiological field; Microbe; Oil recovery; Pilot test; Reservoir type

Processes for enhancing oil recovery by means of microbes (MEOR) from the perspective of reservoir and reaction engineering were examined. Results lead to the conclusion that MEOR is potentially a 'hiMicrobial methods have been proposed to reduce problems associated with reservoir heterogeneity that result in unswept zones and low off recovery. Laboratory results of a promising microbial system for polymer production, which could be applied to modify the reservoir permeability, were presented. Consequently, redistribution of fluids occurred, increasing swept zones and off recovery. Coreflooding experiments were carried out in a sandstone model, with and without oil, using polymer producing bacterium isolated from wells of Carmópolis field, Brazil. The microbial cells, as well as the requiWe assess processes for enhancing oil recovery by means of microbes (MEOR) from the perspective of reservoir and reaction engineering. In this work, MEOR implies recovering incremental oil by means of iA fluorescence in situ hybridization (FISH) technique using 16S rRNA-targeted oligonucleotide probes was developed for rapid detection of microorganisms for use in the microbial enhancement of oil recovery (MEOR) process. Two microorganisms, Enterobacter cloacae TRC-322 and Bacillus licheniformis TRC-18-2-a, were selected from a collection of Enterobacter sp. and Bacillus sp. which were screened in previous studies as candidate microorganisms for injection, and were used for this experiment. Oligonucleotide probes, design based on specific sequences in the 16S rRNA gene were labeled with either fThe objective of this study is to screen effective microorganisms for the Microbial Enhanced Oil Recovery process (or simply as MEOR). Samples of drilling cuttings, formation water, and soil were collected from domestic drilling sites and oil fields. Moreover, samples of activated-sludge and compost were collected from domestic sewage treatment facility and food treatment facility. At first, microorganisms in samples were investigated by incubation with different media; then they were isolated. By two stage-screening based on metabolizing ability, 4 strains (Bacillus licheniformis TRC-18-2-a, EnterobacterSeveral literature reviews have been published on microbial enhanced oil recovery (MEOR). This paper updates the state of art in MEOR process and presents a summary of field projects. The most common

Bacterial behavior; Enhanced oil recovery; Molasses injection; ReservoirButanediol; Huff and puff; Improved oil recovery; MEOR field test; PCR-RFLP; Reservoir

Feasibility tests involving Microbial Improvement Technology were carried out with two main productive formations in Piedras Coloradas Oilfield, Mendoza Province, Argentina. Six producer wells were under a systematic program of inoculations using hydrocarbon-degrading anaerobic-facultative microorganisms. Project performance in terms of fractional flow evolution was correlated with well completion configuration and reservoir petrophysics using parametric models and compared on a well-by-well basis with corresponding decline and complementary baselines. Incremental oil averaged 66% over Evaluation of effectiveness of restriction fragment length polymorphism (RFLP) analysis of the 16S rRNA gene of microorganisms injected into an oil reservoir, for monitoring their levels over time, was conducted. Two microorganisms, Enterobacter cloacae TRC-322 and Bacillus licheniformis TRC-18-2-a, were focused in this paper among the microorganisms selected for injection, and gene fragments of the 16S rRNA gene of these microorganisms were amplified by polymerase chain reaction (PCR), using one set of universal primers. Samples of the reservoir brine and reservoir rock were obtained; the miAqueous mixture of alkali and surfactants combine with microbial technology for an innovative and cost effective technique for crude oil recovery is described. The acid content of crude oil was increaJapan National Oil Corporation (JNOC)/Technology Research Center (TRC) has been studying the Microbial Enhanced Oil Recovery (MEOR) process which makes effective use of microorganism's metabolism since

Basic Requrements; Evaluation Methods; Experimental Strains; Microbial Enhanced Oil Recovery (MEOR); Screening of StrainsA one-dimensional model was developed to simulate the process of enhanced oil recovery by microorganisms. The model involves five components (oil, water, bacteria, nutrient and metabolites), with adsor

Microbial enhanced oil recovery (MEOR) technology has advanced, since 1980, from a laboratory-based evaluation of microbial processes, to field applications internationally. In order to adequately sBiodegradation; Bioremediation; Biosurfactants; Emulsification; MEOR; Microbially-enhanced oil rec

This paper discusses a data-base of information collected from 322 projects, all treated with the same Microbial Enhanced Oil Recovery process. An analysis of the data quantifies the effectiveness and ecThis paper deals with the microbial enhanced oil recovery method. It covers: 1. Mechanism of microbial influence on the reservoir was analyzed; 2. The main groups of metabolites affected by the hydrodA new technology based on the existence and microbial utilization of the preformed volatile fatty acid content of the reservoir waters, prevents sulfate reduction by sulfate reducing bacteria by the compeAbstract: The Trinidad and Tobago Oil Company Limited (TRINTOC) possesses approximately 1300 active oil wells, of which 75% produce less than fifteen (15) barrels per day. The decline in natural production was 15-18% per annum over the last five years. Efforts are underway to examine ways to enhance the oil recovery from existing reservoirs. Since Trinidad and Tobago produces sugar, it was anticipated that MEOR using sugar by-products is a technique by which stripper oil wells may economically produce incremental oil. Of the various options available for using microbes to improve well productivity, it was felt that single well stimulation would provide the most attractive opportunity for TRINTOC to eAbstract: The history of the first commercial microbial culture product for controlling paraffin accumulation in oil field production systems is described. This product is composed of a consortium of different, naturally occurring marine microorganisms that are selectively isolated and adapted to reduce the precipitation of high molecular weight alkanes. First used in 1986 in the Austin Chalk formation, the Para-Bac™ product line began as a single product for paraffin control. Now in use throughout the major producing formations of North America, the product line currently consists of over twelve different products directed at enhanced oil recovery, mitigation of sulfate-reducing bacteria, as well as contrExperimental data dealing with the interactions between certain microbial species and crude oils indicates that these interactions are selective and occur via biochemical pathways which can be characteriMicrobial enhanced oil recovery (MEOR) is a potentially attractive way to recover additional or incremental oil from a reservoir beyond conventional operations. The objective of this work was to deterThe technology of enhanced oil recovery based on reservoir microflora activation through periodic activation of the injected water with mineral salts of nitrogen and phosphorus added to it, was developed.Aerobic microbial enhanced oil recovery (MEOR), based on the ability of oil degrading bacteria to reduce the interfactal tension between oil and water, is reviewed. This process implies pumping water conMicrobial enhanced oil recovery utilizes microorganisms and their metabolic products to improve the recovery of crude oil from reservoir rocks. In this study an anaerobic bacterium, Clostridium acetobutylToday's oil production technology leaves one third to one half of the original oil in place in the reservoir at abandonment of secondary recovery (waterflooding). This leaves a very large target for microbAbstract: A method is described that measures the concentration of hydrocarbon degrading bacteria (HDB) in samples of fluid collected from oil wells treated with MEOR bacteria. Total HDB populations were enumerated by a serial dilution method and direct counted by optical microscopy. Examples from three field studies indicate that hydrocarbon degrading bacterial populations can be monitored through time and that changes in these populations in an MEOR treated reservoir may provide a measure of bacterial transport. © 1991.Abstract: The United States desperately need a technology today that will effectively release and recover more oil from our known oil reservoirs. Microbial Enhanced Oil Recovery (MEOR) is a low cost technology which now offers a solution for recovering oil before the abandonment of our oil fields. It is now time for the oil industry to seriously consider using MEOR in their field operations. © 1991.Abstract: Developments in MEOR have shown that successful microbial candidates should be able to metabolize crude oils in the presence of high salt concentrations, as well as be able to produce beneficial metabolites such as acids and emulsifying agents. Furthermore, under reservoir conditions, such microorganisms should be viable over extended periods of time at elevated temperatures and pressures. Depending on the depth and manner of application, the ability to grow under anaerobic to low oxygen conditions and oil as a sole source of carbon would also be advantageous. Studies in this laboratory have shown that certain species of thermophilic microorganisms may satisfy MEOR requirements. Seve

Abstract: Laboratory experiments with microbes adapted to subsurface conditions of temperature, pressure and salinity using oilfield carbonate rocks showed successful enhancement of oil recovery. Based on the laboratory work, field application of the adapted Clostridium species were conducted. A decrease of the percentage of produced water from 80 to 60% and an increase of oil production from an average of 50 tons per day to 150 tons per day occurred after treatment with bacteria. © 1991.Abstract: Microorganisms inhabiting petroleum-bearing formations or introduced into subterranean environments are subject to extremes of redox potential, pH, salinity, temperature, pressure, ecological pressure, geochemistry, and energy and nutrient availability. Successful microbial EOR requires the selection, injection, dispersion, metabolism and persistence of organisms with properties that facilitate the release of residual oil and the co-injection of growth effective nutrients into the extreme environments which characterize petroleum reservoirs. Ecological strategies designed to negate previously documented problems in the application of microbial EOR have been shown to be effective in labAfter decades of patent applications and questionable projects, well documented field tests of microbial enhancement of oil recovery are now being reported. These are based on the use of bacteria as agents underground to control fluid flow through selective plugging of channels in the oil reservoir, to enhance the release of oil from waterflood operations through surfactant and gas production, and to increase flow from carbonate reservoirs through acid dissolution of the rock itself. © 1991 Current Biology Ltd.This paper discusses the mechanisms involved in microbial enhanced oil recovery. Specifically, the effects of relative permeability changes caused by biogenically produced gas and changes in the capilMicrobial activity in crude oils under reservoir and storage conditions has been known to exist for a long time. Such activity can cause deleterious effects in the quality and subsequent processing of crPotential mechanisms involved in microbial enhanced oil recovery (MEOR) from sandstone reservoirs are reviewed. Three phase relative permeability studies have shown that residual oil saturation can be reMicrobial enhanced oil recovery (MEOR) is receiving renewed interest worldwide. Microbial enhanced oil recovery involves the injection and transportation of microorganisms into the reservoir followed by nuThe mechanisms of oil mobilization by injection of microbial cells and nutrient have been studied to further develop an engineering methodology for optimizing formulations for oil recovery applications. A

Biofouling; Microbial enhanced oil recovery; Microbial selective plugging; Permeability; Petroleum microbiologyMicrobial treatments are potentially cost-effective for increasing oil production, even in today's economic conditions. Field applications that use microorganisms can range from single-well to full-scalThis report summarizes the need for, the potential of, and the research still required for microbial enhanced oil recovery (MEOR). Enhanced oil recovery processes are those which recover oil unrecoverable by primary or secondary methods. To date, only chemical flooding, miscible flooding and thermal recovery have been considered as economical recovery techniques. Last year the DOE sponsored international MEOR workshop concluded that MEOR has merit as a cost effective method for recovering residual oil. However, there has been no reliable and documented assessment of the technical and economic aspects of MEOR as compared to other EOR techniques. A review of the literature and the conclusions of the MEOR workshop have been summarized to determine the state of the art of MEOR technology, its advantages and limitations and future.The use of microorganisms to enhance oil recovery has become a technically feasible technology for production from stripper wells (those that produce less than 10 bbl/day). As a result of microbial growtIncreased costs in exploring and developing frontier areas have resulted in greater emphasis in enhanced oil recovery methods. An average of seventy percent of reservoir oil is left after secondary anFactors relating to scale up as well as the technology used in the MEOR (microbial enhanced oil recovery) injection process are considered. The discussion covers properties of the ideal microbe for this aThe concept of microbial enhanced oil recovery (MEOR) is to inject microorganisms into depleted oil reservoirs and increase ultimate recovery via in situ biological processes, e. g. , breakdown of heavy Experiments were conducted to study the feasibility of using microorganisms in EOR, particularly for the correction of permeability variation. The use of microorganisms requires the ability to transpor

This paper presents a bench-scale study on the transport in highly permeable porous rock of three bacterial species - Bacillus subtilis, Pseudomonas putida, and Clostridium acetobutylicum - potentiallA resurgence of interest in the possible applications of microbial systems to processing and production of petroleum has occurred in this decade. It actually began in the 1930's with Dr. Zo Bell' pioneering work at direct applications of microbes for oil recovery. The new approach is a more fundamental effort by microbiologists to understand the complex subsurface environment of a petroleum reservoir in relation to microbial metabolism; and engineers to understand the fundamental activities of microbes before attempting to bring the two systems together. A review of the papers presented at the 1982 Conference on Microbia Enhancement of Oil Recovery, Afton, Oklahoma, will be presented togetherSome oil sands contain bentonite which will swell when one injects fresh water. In many cases the reservoir engineers are required to inject salty, noxious water to keep the water injectivity high. In summThe paper is a review of the investigations carried out in Romania, during the last 10 years, on the use of bacteria for the stimulation of oil release from reservoirs. The research was based on the ide

The volume contains 26 papers which are grouped under general topics that include microbes and their metabolites, transport of bacteria in porous geological materials, application to heavy oils, and fIn the North Sea, the difficult weather conditions, coupled with the depth of water and the distance from the nearest shore base, have resulted in extremely high drilling costs. Crude oil, the very materi

Cultures of 8 micro-organisms, grown in synthetic media free from surface active nutrients, were found to show a marked decrease in surface tension on prolonged incubation. The depression started after about two days cultivation and attained values ranging from 14-34 dyne/cm after 7 days. The possible origin of the substances responsible for this effect is briefly discussed. © 1955 Boekhandel en Uitgeversmaatschappij.

Index KeywordsEnhanced oil recovery; Laboratory studies; Metabolic products; microbe; Microbial enhanced oil recoveries; Oil reservoirs; Polymer surfactants; Tertiary oil recovery; Microorganisms; Mixtures; Polymers; Surface active agents; Tertiary recovery; Petroleum reservoirsBio surfactant; MEOR; Microbial enhanced oil recoveries; Physical simulation; Pseudomonas aeruginosa; Surface activities; Bacteria; Biomolecules; Carbon; Nitrogen; Petroleum reservoirs; Surface active agents; Enhanced recoveryAverage concentration; Conventional injections; Field trial; Heavy oil; Heavy oil reservoirs; Microbial enhanced oil recoveries; Microbial oil; Single well; Bacteria; Crude oil; Heavy oil production; Injection (oil wells); Oil wells; Petroleum reservoirs; Temperature; Oil fieldsEnterobacter cloacae; Exopolysaccharides; Fusant; Microbial enhanced oil recoveries; Microbial enhanced oil recovery (MEOR); Optimal temperature; Protoplast fusion; Sand-packed columns; Biopolymers; Bio-oxidation; Enhanced oil recovery; Microbial enhanced oil recovery (MEOR); Microbial process; Oil recoveries; Packed bed column; Rock porosity; Sweep efficiency; Biosynthesis; Enhanced recovery; IBio-surfactants; Biosurfactant production; Emulsifying activity; Enhanced oil recovery; Microbial enhanced oil recovery (MEOR); Original oil in places; Pseudomonas aeruginosa; Rhamnolipids; Bacteria;Agricultural soils; Bacillus Subtilis; Biosurfactant production; Enhanced oil recovery; Oil displacement experiments; Optimum conditions; Oxygen transfer rate; Surfactin; Bottles; Crude oil; Emulsification; Enhanced recovery; Kerosene; Optimization; Oxygen; Surface active agents; BiomoleculesBacillus Subtilis; Bio-surfactants; MALDI-TOF; MEOR; Surfactins; Biomolecules; Enhanced recovery; Fourier transform infrared spectroscopy; Mass spectrometry; Optimization; Strain; Surface active agentsbiological factor; hydrogen sulfide; natural gas; oil; petroleum; article; biofuel production; biomass; ecosystem; environmental factor; enzyme activity; gene expression; geometry; microbial growth; micr

Enhanced recovery factor; Field monitoring; GC-MS; Microbial metabolite; Microbial oil displacement; Organic acid

RNA 16S; article; bacterium; bacterium detection; bacterium identification; Caminicella sporogenes; denaturing gradient gel electrophoresis; gene sequence; microbial community; microbial consortium;Channel sands; Daqing oilfields; Enhanced oil recovery; Field test; Fracture zone; Low permeability; Mixed bacteria; Oil production; Pilot tests; Resource potentials; Floods; Jet pumps; Low permeability reservoirs; Oil fields; Oil wells; Enhanced recoveryCommercial implementation; Complex interaction; Decline curves; Environmental footprints; Field data; Field implementation; Field test; Fundamental research; Laboratory test; Microbial enhanced oil recoveries; Microbial populations; Microbial treatment; Nutrient conditions; Oil production; Oil reservoirs; Oil-production rates; Pilot tests; Potential applications; Production area; Production data; ProductionGeobacillus; Geobacillus pallidusAnaerobic conditions; Bacillus subtilis strains; Heavy oil fractions; Long-chain n-alkanes; Microbial enhanced oil recovery (MEOR); Paraffinic mixtures; Reservoir conditions; Tertiary oil recovery; Biomolecules; Crude oil; Energy conservation; Exhibitions; Heavy oil production; Microorganisms; Paraffins; Petroleum reservoirs; Recovery; Surface active agents; Tertiary recovery; Viscosity; Petroleum reservoir Berea sandstone; Bioproducts; Core flooding; Displacement mechanisms; Dodecane; Driving mechanism; Glass micromodels; Improved oil recovery; Micromodels; MIOR process; Model-based OPC; Multiphysics model; Pore scale; Pore-scale model; Recovery mechanisms; Remaining oil saturations; Reservoir engineering; Reservoir fluid; Rhodococcus sp; Simulation studies; Two phases flow; Visualization expeBio surfactant; Bioclogging; Enhanced oil recovery; Interfacial curvature; Micromodel; Bacteria; Bacteriology; Biomass; Biomolecules; Capillarity; Morphology; Multiphase flow; Petroleum reservoirs; Porous materials; Secondary recovery; Tertiary recovery; Well flooding; Surface active agents; bacterium; enhanced oil recovery; microbial activity; multiphase flow; porosity; reservoir flooding; surface tensiBulk volume; Clostridium tyrobutyricum; Constant coefficients; Dissolved gas; Enhanced oil recovery; Fermentation media; Gas concentration; Laboratory studies; Metabolic activity; Microbial fermentation; Oil displacement; Rock matrix; Salt concentration; Strong correlation; Volumetric mass transfer coefficient; Bacteria; Carbon dioxide; Enhanced recovery; Oil fields; Salinity measurement; Volumetric aClone library; Enhanced oil recovery; Enrichment culture; Enrichment experiments; Field trial; MicrBio surfactant; Clustering analysis; Empirical formulas; Enhanced oil recovery; Fuzzy Cluster Analysis; Fuzzy clustering analysis; Fuzzy mathematics; Optimal choice; Similarity matrix; Statistical indicators; Transitive closure; Cluster analysis; Communication systems; Enhanced recovery; Fuzzy set theory; Oil fields; Strain; Surface active agents; Fuzzy clusteringAir injection; Carbon source; Core flooding; Corn syrup; Economic evaluations; Enhance oil recoveries; Enhanced oil recovery; Fluid property; Laboratory simulation; Nutrient concentrations; Oil viscosity; Orthogonal design method; Phosphorus sources; Physical simulation experiment; Program optimization; Shengli Oilfield; Sinopec; Three parameters; Enhanced recovery; Experiments; Liquids; MathematicalBacillus mojavensis; Biosurfactant production; Blob size; Conceptual model; Enhanced oil recovery; Ex situ; Interfacial curvature; Mature oil; Metabolic byproducts; Oil-wet systems; Residual oil; Residual oil saturation; X-ray computed microtomography; X-ray microtomography; Bacteriology; Byproducts; Metabolism; Multiphase flow; Recovery; Surface active agents; Tertiary recovery; capillary pressurAlkyl chain; Anaerobic conditions; Bacillus strain; Bacterial growth; Bio surfactant; Bio-surfactants; Biosurfactant production; Capillary force; Emulsifying activity; Enhanced oil recovery; Extracellular; Heavy oil fractions; High temperature; Hydrocarbon mixture; Isolation and identification; Low energy consumption; MEOR; n-Alkanes; Oil recoveries; Oil reservoirs; Oil samples; Bacilli; Bacteriology; BiomMEOR; Residual oil saturation; Rock heterogeneity; Simulation; Trapping number; Biology; Computerized tomography; Enhanced recovery; Porous materials; Surface active agents; Petroleum reservoirs; efficiency measurement; enhanced oil recovery; finite element method; hydrocarbon entrapment; microbial activity; numerical model; oil; permeability; porosity; porous medium; residual flow; rock mechA-carbon; Biodiesel production; Elution temperature; Hemicellulose; Hemicellulose hydrolysates; Hemicellulose sugars; Microbial oil; Neutral lipid; Oil concentration; Oleaginous fungi; Optimized conditions; Reducing sugars; Single cell oil; Soluble sugars; Steam explosion; Steam explosion treatment; Sugar recovery; Wheat straws; Xylanases; Biodiesel; Cellulose; Molecular biology; Recovery; Steam; StrawAnaerobic; Anaerobic microbes; Bio surfactant; Enhanced oil recovery; Fermentative bacteria; Field coupling; Metabolic process; Metabolic products; Microbial field; New mathematical model; Nitrate-reducing bacteria; Physical parameters; Porous flow; Profile modification; Sulfate reducing bacteria; Theoretical basis; Viscosity reduction; Aerospace engineering; Bacteria; Couplings; Emulsification; EnhAfter-treatment; Bio surfactant; Degradation rate; Enhanced oil recovery; Freezing point; Indigenous microbes; Lipopeptides; Microbial communities; Most probable number methods; Oil recoveries; Biomolecules; Crude oil; Degradation; Industrial applications; Microorganisms; Petroleum industry; Petroleum reservoir engineering; Petroleum reservoirs; Recovery; Salinity measurement; Spectrum analysisAnalytic method; Enhanced oil recovery; Freezing point; Fuzzy AHP; Oil viscosity; Relative importance; Reservoir screening; Analytic hierarchy process; Fuzzy systems; Hierarchical systems; Intelligent materials; Nanotechnology; Petroleum reservoir engineering; Quality control; Recovery; Enhanced recoveryAerobic and anaerobic conditions; Anaerobic conditions; Bio surfactant; Biodegradation experiments; Cloud points; Cmc values; Daqing oilfields; Enhanced oil recovery; Hydrocarbon degradation; Mobility enhancement; Oil recovery efficiency; Positive effects; Rhodococcus ruber; Sole carbon source; Wettability alteration; Biomolecules; Crude oil; Degradation; Emulsification; Experiments; Oil fields; Phase bDepleted oil reservoirs; Enhanced oil recovery; Formation water; Methane production; Yeast extractBio surfactant; Bio-surfactants; Enhanced oil recovery; High permeability zone; Injected fluids; Injection wells; Mechanism analysis; Microbial oil; Mineral nitrogen; Physico-chemicals; Production wells; Residue oil; Sweep efficiency; Technological treatment; Water formation; Water-air mixture; Biomolecules; Biotechnology; Ecosystems; Fatty acids; Hydrodynamics; Industrial applications; Metabolites; Oil fCommunity structures; Directional control; Enhanced oil recovery; Gene libraries; Genetic diversity; Microbial communities; Microbial community structures; Microbial enhanced oil recovery; PCR-DGGE; Phylogenetic analysis; Phylogenetics; Polymer flooding; Reservoir systems; Genes; Microorganisms; Planning; Polymerase chain reaction; Polymers; Recovery; Reservoirs (water); Social sciences; SustaiActive mechanism; Bioproducts; Dodecane; Fluid interface; Improved oil recovery; Microscopic mechanisms; MIOR; Oil recoveries; Oil-in-water emulsions; Pattern change; Pore scale; Pore wall; Pore-network models; Remaining oil saturations; Reservoir engineering; Rhodococcus sp; Visualization experiment; Bacteria; Emulsification; Emulsions; Experiments; Flow patterns; Glass; Paraffins; Recovery; VisualiAbiotic conditions; Bacillus mojavensis; Bio surfactant; Bioclogging; Biosurfactant production; Blob size; Capillary desaturation; Capillary numbers; Combined effect; Enhanced oil recovery; Micromodels; Oil recoveries; Pore morphology; Radius of curvature; Residual oil; Residual oil saturation; Shewanella oneidensis; Tertiary oil recovery; Bacteria; Bacteriology; Biomass; Biomolecules; Capillarity; ExhibitCapital investment; Complex interaction; Enhanced oil recovery; Environmental footprints; Field data; Field implementation; Field level; Fundamental research; Laboratory test; matrix; Microbial populations; Nutrient conditions; Oil saturation; Potential applications; Production area; Recovery factors; Residual oil saturation; Rock surfaces; Sweep efficiency; Bacteria; Enhanced recovery; Exhibitions; InvesBacillus strain; Carbonate reservoir; Core flooding test; Crude oil viscosity; Elevated temperature; Enhanced oil recovery; Experimental studies; Hele-Shaw model; Recovery mechanisms; Recovery test; Sandstone reservoirs; Bacteriology; Carbonation; Crude oil; Petroleum engineering; Petroleum reservoir evaluation; Petroleum reservoirs; Recovery; Enhanced recoveryBrevibacillus brevis; Channel sands; Daqing oilfields; Enhanced oil recovery; Field test; Fracture zone; Low permeability; Main effect; Oil production; Oil recoveries; Well deliverability; Bacillus cereus; Bacteriology; Jet pumps; Oil fields; Oil wells; Petroleum engineering; Recovery; Wells; Enhanced recoveryasphalt; biosurfactant; exopolysaccharide; hydrocarbon; oil; sulfate; Athabasca oil sand; bacterial strain; bacterium culture; bacterium isolation; biotechnology; Canada; geological time; methanogenesActive mechanism; Application method; Basic concepts; Enhanced oil recovery; Future trends; microbe; Oil recoveries; trend; Information science; Recovery; Enhanced recoveryAcid production; Average concentration; Calcium ions; Carbonate rock; Chalk samples; Clostridium tyrobutyricum; Dissolution rates; Energy source; Enhanced oil recovery; Fluid interactions; Fluid-rock interaction; Ion concentrations; Laboratory experiments; North Sea; Rock matrix; Salt concentration; Surface plots; Bacteriology; Calcium; Concentration (process); Dissolution; Enhanced recovery; Fluids; Core flooding; Electrotransformation; Elevated temperature; Enhanced oil recovery; Enterobacter; Exopolysaccharides; Genomic DNA; Higher temperatures; Insoluble biopolymers; Oil recoveries; Oil resCapillary numbers; Combined effect; Computational model; Coupled process; Cross-couplings; Enhanced oil recovery; Finite element models; Functional relation; Hydrogeological; Immiscible fluids; Implicit methods; Interfacial tensions; MEOR; Microbial metabolism; Model results; Oil recoveries; Parametric study; Physical process; Potential benefits; Reservoir simulator; Residual oil saturation; ResiduaArgentina; Enhanced oil recovery; Environmentally-friendly; Field application; Field data; Field experience; Gas productions; High water-cut; Low temperatures; Low water; Malaysia; Metabolic products; microbe; Oil recoveries; petroleum; Production rates; Reservoir permeability; Residual oil; Wettability alteration; Bacteria; Bacteriology; Biodegradation; Low temperature production; Petroleum reservoCore flooding; Enhanced oil recovery; Field application; Finite element models; Fully-coupled; Heterogeneous porous media; Homogeneous porous media; Hydrological process; Low cost methods; Microbial metabolism; Microbial process; Oil recoveries; Porosity distributions; Residual oil saturation; X-ray CT; Computer simulation; Crude oil; Fluid mechanics; Porous materials; Solute transport; Petroleum

Enhanced oil recovery; Interfacial tensions; Mathematical modeling; Porous Media; Reactive transport; Relative permeability; Surfactant; Bacteriology; Biomolecules; Computer simulation; Mathematical models; Metabolism; Metabolites; Petroleum reservoirs; Porous materials; Recovery; Surface active agents; Enhanced recovery; bacterium; enhanced oil recovery; estimation method; numerical model; p

biosurfactant; detergent; emulsifying agent; foaming agent; glycolipid; glycopeptide; lipopeptide; lipopolysaccharide; rhamnolipid; spreading agent; unclassified drug; wetting agent; biological product; p2-D displacement; 3D simulations; Compositional streamline simulators; Displacement efficiency; Distribution coefficient; Enhanced oil recovery; Finite difference approach; Gravity effects; Interfacial tensions; Multiple dimensions; Oil recoveries; Oil/water; Operator splitting technique; Physical process; Reactive transport; Residual oil saturation; Simulation tool; Transport process; Water phasis;Coupling models; Enhanced oil recovery; Fluid flow; Function of time; Indigenous microbes; Material distribution; Metabolic process; Microbial communities; Microbial field; New mathematical model; Numerical models; Numerical simulation software; Oil recoveries; Primary mechanism; Profile control; Seepage equations; Seepage field; Seepage fields; Theoretical basis; Viscosity reduction; Water flo

Daqing oilfield; Emulsification index; Eor strain; Microbial enhanced oil recovery (meor); Physical simulation experimentResults of coreflooding experiments with Rhodococcus sp. 094 species have already revealed that the bacterium is able to increase oil recoveries up to 9 %. Subsequent investigations have been carried out in order to recognize the complex mechanisms. Although published results proposed wettability changes in core plugs and favourable changes in the flow pattern as the active mechanisms but the potential of interfacial tension (IFT) and contact angle parameters was not fully understood in an aerobic process. The present paper is a continuation of a series of laboratory experiments and consists of intAn onshore oilfield, located in the northeast of Brazil, is being submitted to a microbial EOR method to reduce problems associated with high permeability zones. Ten water injection wells were selected to the field trial. The method consists in the dosage of nutrients and an electron acceptor in the injection water, in order to stimulate microorganisms to produce biomass and biopolymer to plug high permeability zones. Pressure, flow rate and injectivity profile are being monitored. The results demonstrated that the process is effective. Five wells indicated the plugging of the high permeability zone, d

Active mechanism; Aerobic process; Complex mechanisms; Constant flow; Continuous flows; Continuous phase; Dynamic condition; Dynamic Systems; Experimental procedure; Improved oil recovery; In-core; Interfacial tensions; Laboratory experiments; Metabolic activity; Observation Period; Oil recoveries; Pendant drop; Quartz plates; Reduction mechanisms; Refined hydrocarbons; Rhodococcus sp; StaticElectron acceptor; Enhanced oil recovery; EOR methods; Field pilot; Field trial; High permeability zone; Injection water; Injectivity; Pressure increase; Sweep efficiency; Water injection wells; Enhanced recovery; Injection (oil wells); Recovery; Water injection; Wells; Oil fieldsBio surfactant; Biosurfactant flooding; Interfacial tension; Oil recoveries; Pseudomonas aeroginosa; Water flooding; Biomolecules; Low permeability reservoirs; Petroleum reservoir engineering; Recovery; Salinity measurement; Surface active agents; Enhanced recovery; bacterium; carbonate; dolomite; enhanced oil recovery; flooding; limestone; oil production; permeability; salinity; surface tension; BClostridium; microbial growth; microbial viability; microbiology; nonhuman; oil industry; patent; product recovery; review; Extraction and Processing Industry; Industrial Microbiology; Petroleumamikacin; ampicillin; biosurfactant; chloramphenicol; cotrimoxazole; gentamicin; kanamycin; oil; strept

Bacteria growth; Crude oil production; Enhanced oil recovery; Environmentally-friendly; High pressure; High-pressure condition; Improve oil recovery; Indonesia; Laboratory investigations; Oil production; Oil viscosity; Physical characteristics; Bacteriology; Crude oil; Enhanced recovery; Knowledge engineering; Mathematical models; Mining engineering; Oil wells; Petroleum deposits; Petroleum engineeringBiomass productions; Bioproducts; DNA analysis; Enhance oil recoveries; Enhanced oil recovery; Field trial; Microbial technology; Microbial water shutoff; Oil recoveries; Research methodologies; Volumetric efficiency; Water shut off; Wellbore stimulation; Enhanced recovery; Microorganisms; Recovery; Oil wells

Frothing agent; Microbial enhanced oil recovery (MEOR); Oil-field chemical additives; Sulphonate cleanup additive; Thermophilic bacteriaGene marker; Green fluorescent protein (GFP); Microbial enhanced oil recovery (MEOR); Recombinant plasmid; Strain JD

biosurfactant; carbon; lipopolysaccharide; molasses; nitrogen; Alcaligenes faecalis; article; bacterial strain; bacterium isolation; nonhuman; permeability; surface tension; Alcaligenes; Alcaligenes faecaliBefore and after; Carbon source; Community structure; Community structures; Enhanced oil recovery; Environmental factors; Growth and metabolism; High pressure; In-situ; Metabolic activity; Oil plants; Produced water; Reservoir pressure; Short periods; Atmospheric pressure; Biochemistry; Glucose; Metabolism; Organic acids; Recovery; Shape optimization; Surface tension; Enhanced recoveryBio-surfactants; Blind holes; Dilatational rheology property; Enhanced oil recovery; Flow Phenomena; Gas-liquid interface; Interfacial activity; Interfacial film; Micro mechanisms; Microbe; Micromechanism; Oil displacement; Oil displacement experiment; Oil films; Oil flow; Oil water interfaces; Oil-water; Plane model; Polymer flooding; Remaining oil; Reservoir conditions; Rheological experiment; WaterflooAnalytical method; Free water; Heavy oil; Heavy oil reservoirs; Laboratory experiments; Liquid chromatography-mass spectrometry; Membrane lipids; Microbial cells; Microbial communities; Oil quality;Bacterial isolates; Bacterial strains; Bio surfactant; Bio-surfactants; Biosurfactant production; Carbon source; Carbon substrates; Emulsification index; Enhanced oil recovery; Good yield; High temperature; NaCl concentration; Nitrogen concentrations; Nutrient enrichments; Oil companies; Oil contaminated soil; Oil Prices; Surface tension measurements; Various pH; Wet soil; Bacteriology; Biomolecules; Capil

Biogas producing microbes; Biosurfactant producing microbes; Functioning mechanisms; Gudao oil reservoirs in Shengli; High temperature and high pressure; Microbes (microorganisms} for EOR; Oil displacement; Remained oil states; Simulation micromodelsCompetition; Economics; Enhanced recovery; Exhibitions; Hydrocarbons; Petroleum deposits; Petroleum engineering; Petroleum industry; Petroleum prospecting; Petroleum refineries; Petroleum reservoir evaluation; Recovery; Solar radiation; Technology; Turbulent flow; Economic constraints; Enhance oil recoveries; Enhanced Oil recoveries; Microbial enhanced oil recoveries; New developments; Oil maAreal sweeps; Bio-surfactants; Biological deposits; Biosurfactant productions; Broad applications; Capillary numbers; Critical analysis; Critical reviews; Crude oil; Emulsion droplets; Enhance oil recoveries; Enhanced oil recoveries; In-situ; Key components; Limiting case; Microbial technologies; North seas; Oil displacements; Oil productions; Oil recoveries; Oil-water interfaces; Potential benefits; ProducBacteriology; Benzene; Biomolecules; Colloids; Critical micelle concentration; Cultivation; Enhanced recovery; Micelles; Sodium; Sodium sulfate; Soil pollution; Sulfate minerals; Surface chemistry; Surfbiosurfactant; emulsifying agent; lipid; lipopeptide; oil; polysaccharide; protein; water; water oil creBacteria; Contamination; Emulsification; Enhanced recovery; Peptides; bacterium; bioremediation; oil pollution; soil pollution; surfactant; Asia; Eurasia; Iran; Middle East; Tehran; Bacilli (class); Bacillus (bacterium); Bacillus licheniformis; Bacillus subtilis; Posibacteriaoil; RNA 16S; water; article; gel electrophoresis; gene sequence; microbial growth; microbial metabBacteria; Mineral oils; Recovery; Microbial oil recovery; Microbial surfactants; Surface active agents; biosurfactant; mineral oil; petroleum; article; bacterial metabolism; bacterial strain; bacteriu

Fermentation; Microbiology; Petroleum reservoirs; Stability; Surface active agents; Surface tension; Temperature; Bacillus subtilis; Interfacial tensions fermenting liquid; Microbial enhanced oil recovery; Surfactin; Enhanced recovery

Economic productions; Enhanced Oil recoveries; EOR methods; Oil recoveries; Oil reserves; Supply and demands; Technical complexities; World oil markets; Competition; Cost effectiveness; Crude petroleum; Enhanced recovery; Environmental impact; Exhibitions; Hydrocarbons; Organic compounds; Petroleum deposits; Petroleum engineering; Petroleum prospecting; Petroleum reservoir evaluation; Reserves to production ratioRhamnolipids, as the extensively studied biosurfactants, are a subclass of glycolipids. Rhamnolipid-producing bacteria are developed by introducing key genes of rhamnolipid biosynthesis into a wild type strain that is devoid of rhamnolipid biosynthesis capability, via either transposon or plasmid. The engineered strain is then used to produce rhamnolipids from different substrates. This two-stage rhamnolipid flooding gave two peaks of oil recovery. The results highlighted the promising application of rhamnolipid for EOR uses. This is an abstract of a paper presented at the 2007 AIChE Annual Meeting (Sa

Advanced enhanced oil recovery; Alternative tertiary oil recovery; Improved oil recovery; In situ surfactant production; Microbial enhanced oil recovery (MEOR); Petroleum reservoir microbiology; Cost effectiveness; Microorganisms; Petroleum reservoirs; Profitability; Surface active agents; Tertiary recoveryEthced-glass micromodels; Matrix-fracture interfaces; Microbial enhanced oil recovery (MEOR)technique; Bacteriology; Biopolymers; Fracturing fluids; Petrochemicals; Porous materials; Surface active agents; Enhanced recovery; Bacteriology; Biopolymers; Enhanced recovery; Fracturing fluids; Petrochemicals; Porous materials; Surface active agents; efficiency measurement; enhanced oil recovery; flow paCosts; Crude petroleum; Economic analysis; Enhanced recovery; Microbiology; Petroleum industry; Production control; Microbial enhanced oil recovery; Oil prices; Production costs; Oil fieldsMicrobial enhanced oil recovery (MEOR); Oil industry; Post treatment analysis; Economic analysis; Flood control; Investments; Petroleum industry; Problem solving; Recovery; Technology transfer; Oil fields

A study on engineered rhamnolipid biosurfactants as EOR agents that potentially could be manufactured at low cost from renewable resources, and have lower toxicity than synthetic EOR surfactants was carried out. This biosurfactant comes mainly from the microbe Pseudomonas aeruginosa. An approach to clone the genetic information from a P. aeruginosa strain into E. coli to manipulate systematically the structure of the created rhamnolipids was presented. Rhanmolipid biosurfactants might be applicable as EOR agents. Biotechnology methods might be applied to engineer new non-pathogenic E. coli sBiosurfactants; Genetic codes; Microbial enhanced oil recovery; Pseudomonas aeruginosa; Rhamnolipids; Lipids; Microorganisms; Pathogens; Renewable energy resources; Surface active agents; Toxicity; Enhanced recoveryMathematical relations; Oil engineering; Computer simulation; Cost effectiveness; Enhanced recovery; Fossil fuels; Microbial fuel cells; Oil wells; Petroleum reservoirs; Biotechnology

Bacterial community; Enhancing recovery factor; Jidong Oilfield; Microbial oil displacement; Physical simulation experimentMicrobe-based research; Microbial Oil Recovery (MEOR); Oil recovery; Enhanced recovery; Genetic engineering; Metabolites; Microbiology; Oil well production; Crude petroleum

Advances; Bacterial strains screening; Field trials; Heavy oil reservoirs; Microbial enhanced oil recovery (MEOR); Oil recovery technologies; Reviewassessment method; biomonitoring; DNA fingerprinting; microbial community; molecular analysis; oil spill; organic pollutant; petroleum hydrocarbon; polymerase chain reaction; soil microorganism; soil pollution; soil remediationMicrobial improved oil recovery; Spontaneous imbibition; Wettability; Bacteria; Computer simulation; Enhanced recovery; Interfaces (materials); Surface tension; Well flooding; Wetting; Oil well production; Bacteria; Computer simulation; Enhanced recovery; Interfaces (materials); Oil well production; Surface tension; Well flooding; Wetting; bacterium; enhanced oil recovery; microbial activity; oil product

Conventional surfactants; Improved oil recovery; Laboratory experiments; Microbiological analysis; Oil-degrading bacteria; Relative permeability; Residual oil saturation; Surfactant concentrations; Computer simulation; Experiments; Floods; Petroleum reservoirs; Surface active agents; Aerobic bacteriaEnvironmental scanning electron microscope (ESEM); Interfacial tension (IFT); Microbial Improved Oil Recovery (MIOR); Oil saturation; Core analysis; Cryogenic equipment; Image analysis; Oil well flooding; Pore size; Reduction; Scanning electron microscopy; Surface tension; Tomography; Vacuum applications; Wetting; Crude petroleumAnaerobic conditions; Biosurfactant flooding; Oil recoveries; Residual oil; Alcohols; Microorganisms; Oil fields; Porosity; Surface active agents; Surface tension; Well floodingBiosurfactant; Field pilot; High temperature reservoir; Microbial water flooding; Bacteria; Crude petroleum; Fatty acids; High temperature operations; Oil well flooding; Petroleum reservoirs; Surface active agents; Enhanced recovery; enhanced oil recovery; hydrocarbon reservoirBacteria PBS for oil recovery; Bacterial population distribution; Chemotaxis; Microbial enhanced oil recovery; Oil displacement mechanisms; Surfactant producing bacteriaarabinose; bacterial DNA; DNA 16S; galactose; glucose; ground water; mannose; molasses; petroleum; polymer; uronic acid; water; anaerobic bacterium; bacterial flora; biofilm; biotechnology; denitrifi

Biotransformation technology; Enhanced oil recovery; Indigenous microorganism; Microbial enhancement of oil recovery mechanisms; Pilot testBacteria; Bio-surfactant; Concentration distribution; Experimental observation; Local enrichment; Microbial enhanced oil recovery; Oil-displacement mechanism

The effectiveness of a bio-surfactant-based microbial EOR process was studied. Bio-surfactant produced by the bacterium Bacillus mojavensis JF-2 mobilized and recovered residual oil when mixed with a co-surfactant, 2,3-butanediol and partially hydrolyzed polyacrylamide (PHPA) and flooded through sand packs at waterflood residual oil saturation. Twenty to eighty percent of the residual oil was recovered depending on the bio-surfactant concentration. The recovery was linearly dependent on bio-surfactant concentration. The injection of a viscous solution ahead of the surfactant solution and a visBiochemistry; Biosensors; Carbon; Contamination; Hydrocarbons; Mixtures; Paraffins; Microbial community; Microbiota; Soils; bioassay; bioremediation; community structure; oil pollution; pollution effect; soil microorganism; soil pollution; toxicity; Bacteria (microorganisms); Microbiota; Pseudomonas; Pseudomonas putida; Vibrio; Vibrio fischeriBacteria; Composition effects; Computer simulation; Mathematical models; Microbiology; Oils and fats; Pressure effects; Recovery; Transport properties; Bacterial concentration; Clostridium acetobutylicum; Convective forces; Dispersive forces; Microbial enhanced oil recovery; Soaking period; Energy resourcesBacteriology; Gas chromatography; Molasses; pH; Solvents; Microbial treatment; Enhanced recovery

Bacterial species; DNA reproduction; Field trials; Gene detection; Jilin oil field; Microbial enhanced oil recovery (MEOR); Microorganisms for oil recovery; Polymerase chain reaction (PCR); restriction fragment length polymorphism (RFLP)Activation; Indigenous microorganisms; Microbial enhanced oil recovery(MEOR); Review; Stratal microflora; Subterranean microbial processes; Waterflooding reservoirsBiosurfactants; Bipolymers; Bacteria; Crude petroleum; Mechanical permeability; Microbiology; Nutrition; Rocks; Salinity measurement; Surface active agents; Surface tension; Water; Wetting; Petroleum engineering

Chemical flooding simulator; Oil recovery; Adsorption; Computer simulation; Electrolytes; Gels; Microemulsions; Microorganisms; Polymers; Porosity; Simulators; Petroleum industryrecovery technique

Bacteria screening/cultivation; Effects of chemicals; Growth of microorganisms; Microbes for oil recovery; Microbial reservoir stimulation and enhanced oil recovery (MRS/MEOR); Oilfield chemicals; Reviewoil; petroleum; conference paper; nonhuman; priority journal; Pseudomonas aeruginosa; viscosity; Pseudomonas; Pseudomonas aeruginosa

Action of microorganisms on crude oil; Block Leng-43 in Liaohe; Extra-heavy oil reservoir; Microbial enhanced oil recovery(MEOR); Microorganisms for oil production; Mixed bacterial species

During the Permian Basin Section's October 2001 meeting, speaker Steven Bryant addressed the topic "Microbial EOR (MEOR) - A sober look at an infectious idea". According to Bryant, MEOR is an intriguing technology capable of functioning as a self-perpetuating and self-guiding recovery process. The process involves the injection of microbes with nutrients into the injection well, shutting the well in for a period of time to allow the microbes to propagate, then resuming injection with water and possibly more nutrients. Once injected, these microbes, which can thrive under downhole conditions, become numerous tiny "downhole chemical factories" (DCF) that produce various chemicals, e.g., biosurfactants and biopolymers, which can help unlock trapped oil reserves. An MEOR flood is a chemical EOR flood produced in situ by these DCF. For the price of a waterflood, an operator could obtain the much higher displacement efficiency of this chemical EOR process.Advances; Laboratory investigations; Microbial enhanced oil recovery (MEOR); Microbial species screening; Polymerase chain reaction (PCR) technique; Review; Simulation core experimentsAdaptability to reservoir; Field trials; Gene analysis technique (16s-rRNA); Microbes for MEOR; Microbial enhanced oil revovery (MEOR); Operational procedures

Fault-Block No7 of District II in Gangdong (Dagang); Field Test; Microbial Enhanced Oil Recovery (MEOR); Performance Monitoring

Several literature reviews have been published on microbial enhanced oil recovery (MEOR). This paper updates the state of art in MEOR process and presents a summary of field projects. The most common practice technique of MEOR is cyclic stimulation treatment of production wells. Normally small amount of microbial solution injected in a single well and left to soak for a period of time before putting the well back on production. This process results in a limited volume of the reservoir being treated. This usual type of treatment is easy to implement, quick response and relatively inexpensive. ThBiomass; Chemicals; Composition effects; Enhanced recovery; Microorganisms; Rocks; Solvents; Stoichiometry; Surface active agents; Well spacing; Microbial enhanced oil recovery (MEOR); Petroleum reservoir engineering

Microbial enhanced oil recovery (MEOR) recovers less of the remaining oil in place than other chemical EOR processes. Efforts to elucidate this difference are limited by the lack of quantitative measures of microbial performance. Thus, a study was carried out that adopted a reservoir-engineering perspective, focusing on issues such as process design, scaling up laboratory results, and field implementation and operation. The use of microbes introduced reaction engineering into reservoir engineering, with related concepts including nutrient-reaction kinetics and selectivity, bioreactor volume, and minimum required level of conversion. These concepts allowed quantitative relationships between reservoir properties, operating conditions, and microbial performance. Analysis with plausible values of reservoir and microbial parameters indicated that an MEOR process using in-situ carbon must overcome severe performance constraints. The use of an ex-situ carbon source circumvented or relaxed some of the technical constraints, but the logistical and cost advantages of an in-situ source were lost. Microbial gas production contributed to oil recovery. Analysis revealed that it was unlikely that gases, e.g., CH4 and CO2 could be produced in situ in quantities required for effective oil displacement. In

Bacteria; Biomass; Carbon; Chemical reactions; Oil booms; Polymers; Recovery; Residual fuels; Surface active agents; Microbial enhanced oil recovery; Microbial system; Recovery enhancing chemical; Reservoir engineering analysis; Petroleum reservoir engineeringMicrobial methods have been proposed to reduce problems associated with reservoir heterogeneity that result in unswept zones and low off recovery. Laboratory results of a promising microbial system for polymer production, which could be applied to modify the reservoir permeability, were presented. Consequently, redistribution of fluids occurred, increasing swept zones and off recovery. Coreflooding experiments were carried out in a sandstone model, with and without oil, using polymer producing bacterium isolated from wells of Carmópolis field, Brazil. The microbial cells, as well as the requi

Computer simulation; Costs; Nutrition; Porosity; Residual fuels; Well flooding; Oil recovery; Petroleum reservoirsA fluorescence in situ hybridization (FISH) technique using 16S rRNA-targeted oligonucleotide probes was developed for rapid detection of microorganisms for use in the microbial enhancement of oil recovery (MEOR) process. Two microorganisms, Enterobacter cloacae TRC-322 and Bacillus licheniformis TRC-18-2-a, were selected from a collection of Enterobacter sp. and Bacillus sp. which were screened in previous studies as candidate microorganisms for injection, and were used for this experiment. Oligonucleotide probes, design based on specific sequences in the 16S rRNA gene were labeled with either fThe objective of this study is to screen effective microorganisms for the Microbial Enhanced Oil Recovery process (or simply as MEOR). Samples of drilling cuttings, formation water, and soil were collected from domestic drilling sites and oil fields. Moreover, samples of activated-sludge and compost were collected from domestic sewage treatment facility and food treatment facility. At first, microorganisms in samples were investigated by incubation with different media; then they were isolated. By two stage-screening based on metabolizing ability, 4 strains (Bacillus licheniformis TRC-18-2-a, Enterobacter

arid region; geotechnical property

Feasibility tests involving Microbial Improvement Technology were carried out with two main productive formations in Piedras Coloradas Oilfield, Mendoza Province, Argentina. Six producer wells were under a systematic program of inoculations using hydrocarbon-degrading anaerobic-facultative microorganisms. Project performance in terms of fractional flow evolution was correlated with well completion configuration and reservoir petrophysics using parametric models and compared on a well-by-well basis with corresponding decline and complementary baselines. Incremental oil averaged 66% over Evaluation of effectiveness of restriction fragment length polymorphism (RFLP) analysis of the 16S rRNA gene of microorganisms injected into an oil reservoir, for monitoring their levels over time, was conducted. Two microorganisms, Enterobacter cloacae TRC-322 and Bacillus licheniformis TRC-18-2-a, were focused in this paper among the microorganisms selected for injection, and gene fragments of the 16S rRNA gene of these microorganisms were amplified by polymerase chain reaction (PCR), using one set of universal primers. Samples of the reservoir brine and reservoir rock were obtained; the mi

Bacteria; Carboxylic acids; Cost effectiveness; Crude petroleum; Interfaces (materials); Mixtures; Oil well flooding; Phase interfaces; Surface active agents; Surface tension; Microbial pretreatment recovery method; Enhanced recoveryMicrobial enhanced oil recovery; Polymerase chain reaction; Genetic engineering; Growth kinetics; Microorganisms; Petroleum reservoirs; Thermal effects; Well flooding

Basic Requrements; Evaluation Methods; Experimental Strains; Microbial Enhanced Oil Recovery (MEOR); Screening of StrainsAdsorption; Bacteria; Biodegradation; Computer simulation; Crude petroleum; Diffusion; Growth kinetics; Mathematical models; Metabolites; Molasses; Porosity; Water; Absolute permeability; Bacterial culture slug; Chemotaxis; Injection flow rate; Residual oil saturation; Enhanced recovery; bacteria; enhanced oil recovery

Information dissemination; Microorganisms; Oil well flooding; Technical presentations; Microbial enhanced oil recovery; Enhanced recoverysurfactant; biodegradation; biosynthesis; economics; emulsion; microorganism; nonhuman; oil spill; pollution control; priority journal; review; Biosurfactants; Recovery Techniques-Tertiary; Remediation; SurfactantsData acquisition; Data reduction; Database systems; Economics; Forecasting; Oil wells; Petroleum reservoirs; Technology; Microbial enhanced oil recovery process; Enhanced recoveryBacteria; Hydrodynamics; Mathematical models; Metabolites; Clostridium bacteria; Microbial enhanced oil recovery (MEOR); Enhanced recoveryFatty acids; Gases; In situ processing; Microanalysis; Microbiology; Petroleum industry; Petroleum reservoirs; Polymers; Reservoirs (water); Sulfur compounds; Surface active agents; Technology; Biocompetitive exclusion; Core flooding; Enhance oil recovery; In situ; Microbial utilization; Recovery agent; Sulfate reduction; Sulfide prevention; Enhanced recovery

Abstract: The Trinidad and Tobago Oil Company Limited (TRINTOC) possesses approximately 1300 active oil wells, of which 75% produce less than fifteen (15) barrels per day. The decline in natural production was 15-18% per annum over the last five years. Efforts are underway to examine ways to enhance the oil recovery from existing reservoirs. Since Trinidad and Tobago produces sugar, it was anticipated that MEOR using sugar by-products is a technique by which stripper oil wells may economically produce incremental oil. Of the various options available for using microbes to improve well productivity, it was felt that single well stimulation would provide the most attractive opportunity for TRINTOC to eAbstract: The history of the first commercial microbial culture product for controlling paraffin accumulation in oil field production systems is described. This product is composed of a consortium of different, naturally occurring marine microorganisms that are selectively isolated and adapted to reduce the precipitation of high molecular weight alkanes. First used in 1986 in the Austin Chalk formation, the Para-Bac™ product line began as a single product for paraffin control. Now in use throughout the major producing formations of North America, the product line currently consists of over twelve different products directed at enhanced oil recovery, mitigation of sulfate-reducing bacteria, as well as contr

Biochemistry; Biodegradation; Biotechnology; Crude petroleum; Microorganisms; Biotreatment; Microbial enhanced oil recovery (MEOR); Thermoadapted microorganisms; Enhanced recoveryBacteria; Inorganic Compounds; Well Flooding; Microbial Enhanced Oil Recovery; Shannon Formation; Enhanced RecoveryBacteria; Hydrocarbons - Recovery; Soap; Water; Injected Water; Microbial Enhanced Oil Recovery; Microflora Activation; Periodic Activation; Oil Well ProductionBacteria; Hydrocarbons - Degradation; Oil Wells - Offshore; Water; Aerobic Microbial Enhanced Oil Recovery; Interfacial Tension; Off Shore Platforms; Oil Degrading Bacterial; Water Pumping; Oil Well Productionarticle; clostridium acetobutylicum; nonhuman; oil industry; ph; turkey (republic)corrosiveness; enhanced oil recovery; hydrogen sulphide; microbial activity; paraffin deposition; toxicity

Abstract: A method is described that measures the concentration of hydrocarbon degrading bacteria (HDB) in samples of fluid collected from oil wells treated with MEOR bacteria. Total HDB populations were enumerated by a serial dilution method and direct counted by optical microscopy. Examples from three field studies indicate that hydrocarbon degrading bacterial populations can be monitored through time and that changes in these populations in an MEOR treated reservoir may provide a measure of bacterial transport. © 1991.Abstract: The United States desperately need a technology today that will effectively release and recover more oil from our known oil reservoirs. Microbial Enhanced Oil Recovery (MEOR) is a low cost technology which now offers a solution for recovering oil before the abandonment of our oil fields. It is now time for the oil industry to seriously consider using MEOR in their field operations. © 1991.Abstract: Developments in MEOR have shown that successful microbial candidates should be able to metabolize crude oils in the presence of high salt concentrations, as well as be able to produce beneficial metabolites such as acids and emulsifying agents. Furthermore, under reservoir conditions, such microorganisms should be viable over extended periods of time at elevated temperatures and pressures. Depending on the depth and manner of application, the ability to grow under anaerobic to low oxygen conditions and oil as a sole source of carbon would also be advantageous. Studies in this laboratory have shown that certain species of thermophilic microorganisms may satisfy MEOR requirements. Seve

Abstract: Laboratory experiments with microbes adapted to subsurface conditions of temperature, pressure and salinity using oilfield carbonate rocks showed successful enhancement of oil recovery. Based on the laboratory work, field application of the adapted Clostridium species were conducted. A decrease of the percentage of produced water from 80 to 60% and an increase of oil production from an average of 50 tons per day to 150 tons per day occurred after treatment with bacteria. © 1991.Abstract: Microorganisms inhabiting petroleum-bearing formations or introduced into subterranean environments are subject to extremes of redox potential, pH, salinity, temperature, pressure, ecological pressure, geochemistry, and energy and nutrient availability. Successful microbial EOR requires the selection, injection, dispersion, metabolism and persistence of organisms with properties that facilitate the release of residual oil and the co-injection of growth effective nutrients into the extreme environments which characterize petroleum reservoirs. Ecological strategies designed to negate previously documented problems in the application of microbial EOR have been shown to be effective in labAfter decades of patent applications and questionable projects, well documented field tests of microbial enhancement of oil recovery are now being reported. These are based on the use of bacteria as agents underground to control fluid flow through selective plugging of channels in the oil reservoir, to enhance the release of oil from waterflood operations through surfactant and gas production, and to increase flow from carbonate reservoirs through acid dissolution of the rock itself. © 1991 Current Biology Ltd.

Bacteria; Surface Active Agents; Biosurfactants; Coreflood; Formation Flowpaths; Microbially Enhanced Oil Recovery (MEOR); Permeability Reduction Factor (PRF); Oil Well ProductionHydrocarbons--Processing; Microorganisms--Applications; Petroleum, Crude--Processing; Boscan Crude; Microbial Enhanced Oil Recovery (MEOR); Microbial/Crude Oil Interactions; Thermophilic Microorganisms; Thianaphthalene; Oil Well ProductionBacteria - Industrial Applications; Flow of Fluids; Microorganisms--Industrial Applications; Petroleum Reservoir Engineering; Oil Well ProductionBacteria - Industrial Applications; Mathematical Models; Microorganisms - Industrial Applications; Oil Well ProductionMicroorganisms; Berea Sandstone Cores; Microbe Transport; Microbial Enhanced Oil Recovery; Oil Mobilization Mechanism; Oil Well Production

Biofouling; Microbial enhanced oil recovery; Microbial selective plugging; Permeability; Petroleum microbiologyMicroorganisms; Petroleum Reservoir Engineering; Microbial Oil Recovery; Microbial Technology; Microbial-enhanced Waterflooding; Oil Well Production

This report summarizes the need for, the potential of, and the research still required for microbial enhanced oil recovery (MEOR). Enhanced oil recovery processes are those which recover oil unrecoverable by primary or secondary methods. To date, only chemical flooding, miscible flooding and thermal recovery have been considered as economical recovery techniques. Last year the DOE sponsored international MEOR workshop concluded that MEOR has merit as a cost effective method for recovering residual oil. However, there has been no reliable and documented assessment of the technical and economic aspects of MEOR as compared to other EOR techniques. A review of the literature and the conclusions of the MEOR workshop have been summarized to determine the state of the art of MEOR technology, its advantages and limitations and future.BACTERIOLOGY; MICROORGANISMS - Applications; PETROLEUM PROSPECTING - Core Analysis; POROUS MATERIALS; SURFACE ACTIVE AGENTS; MICROBIAL GROWTH; MICROBIAL SYSTEMS; MICROMODEL; SURFACTANTS; OIL WELL PRODUCTIONPETROLEUM RESERVOIR ENGINEERING; BACTERIAL CULTURE; INJECTION WELLS; STIMULATION; TRAPPED OIL; OIL WELL PRODUCTIONENHANCED OIL RECOVERY; MEOR; OIL WELL PRODUCTIONBACTERIOLOGY; BIOCHEMICAL ENGINEERING; CHEMICALS; AEROBES; ANAEROBES; MICROBIAL ENHANCED OIL RECOVERY; MICROORGANISMS; OIL WELL PRODUCTIONMICROBIAL ENHANCED OIL RECOVERY; OIL WELL PRODUCTIONBACTERIA GROWTH MEDIUM; BIO-SURFACTANT PRODUCING BACTERIA; CALCULATION OF RECOVERY EFFICIENCY; CONTINUOUS FLOODING PROCESSES; IN SITU MICROBIAL PROCESSES; OIL-CONTAINING SANDPACK COLUMNS; OIL WELL PRODUCTIONoil; bacillus subtilis; clostridium acetobutylicum; nonhuman; pseudomonas putida

A resurgence of interest in the possible applications of microbial systems to processing and production of petroleum has occurred in this decade. It actually began in the 1930's with Dr. Zo Bell' pioneering work at direct applications of microbes for oil recovery. The new approach is a more fundamental effort by microbiologists to understand the complex subsurface environment of a petroleum reservoir in relation to microbial metabolism; and engineers to understand the fundamental activities of microbes before attempting to bring the two systems together. A review of the papers presented at the 1982 Conference on Microbia Enhancement of Oil Recovery, Afton, Oklahoma, will be presented togetherBIOCHEMISTRY; PETROLEUM RESERVOIR ENGINEERING; CHLORINATION; CONNECTING PORES AT FACE OF WELL; ENHANCED OIL RECOVERY (EOR); INJECTION TECHNIQUES; OIL SANDS CONTAINING BENTONITE; PORE PLUGGING; OIL WELL PRODUCTIONBACTERIOLOGY; BIOCHEMISTRY; ADAPTED BACTERIAL POPULATIONS; FIELD STUDIES; LABORATORY STUDIES; SUGAR REFINERY WASTE; YIELDS; OIL WELL PRODUCTIONBIOPOLYMERS; CRUDE OIL; ENHANCED OIL RECOVERY; GEOCHEMICAL PROCESSES; MICROORGANISMS; OIL RESERVOIRS; OIL FIELDSBACTERIOLOGY; BIOCHEMISTRY; FLOW OF FLUIDS - Transport Properties; ORGANIC COMPOUNDS; PETROLEUM RESERVOIR ENGINEERING; BACTERIAL POPULATION; BACTERIAL TRANSPORT; EIREV; EOR; HEAVY OILS; MICROBIOLOGY; OIL WELL PRODUCTIONBACTERIOLOGY; BIOCHEMISTRY; ANAEROBIC ENRICHMENT TECHNIQUES; ANAEROBIC GAS PRODUCTION; EFFECT OF MOLECULAR OXYGEN ON ANAEROBIC GAS PRODUCTION; ENRICHMENT FOR METHANOGENIC BACTERIA; METABOLIZATION OF CRUDE OIL CONSTITUENTS; RELEASE OF METHANE FROM CRUDE OIL; OIL WELL PRODUCTIONABSTRACT ONLY; APPLICATIONS OF MICROBIAL SYSTEMS TO HEAVY OILS; MICROBIAL ENHANCEMENT OF OIL RECOVERY; MICROBIAL FIELD APPLICATIONS; PETROLEUM PRODUCTION; TRANSPORT PROPERTIES OF MICROBES; OIL WELL PRODUCTIONABSTRACT ONLY; BEREA SANDSTONE CORES; ENHANCED OIL RECOVERY; MICROBIAL GROWTH; PERMEABILITY REDUCTION; SELECTIVITY OF MICROBIAL PLUGGING PROCESSES; OIL WELL PRODUCTION


Molecular Sequence NumbersEnhanced oil recovery; Laboratory studies; Metabolic products; microbe; Microbial enhanced oil recoveries; Oil reservoirs; Polymer surfactants; Tertiary oil recovery; Microorganisms; Mixtures; Polymers; Surface active agents; Tertiary recovery; Petroleum reservoirsBio surfactant; MEOR; Microbial enhanced oil recoveries; Physical simulation; Pseudomonas aeruginosa; Surface activities; Bacteria; Biomolecules; Carbon; Nitrogen; Petroleum reservoirs; Surface active agents; Enhanced recoveryAverage concentration; Conventional injections; Field trial; Heavy oil; Heavy oil reservoirs; Microbial enhanced oil recoveries; Microbial oil; Single well; Bacteria; Crude oil; Heavy oil production; Injection (oil wells); Oil wells; Petroleum reservoirs; Temperature; Oil fieldsEnterobacter cloacae; Exopolysaccharides; Fusant; Microbial enhanced oil recoveries; Microbial enhanced oil recovery (MEOR); Optimal temperature; Protoplast fusion; Sand-packed columns; Biopolymers; Bio-oxidation; Enhanced oil recovery; Microbial enhanced oil recovery (MEOR); Microbial process; Oil recoveries; Packed bed column; Rock porosity; Sweep efficiency; Biosynthesis; Enhanced recovery; IBio-surfactants; Biosurfactant production; Emulsifying activity; Enhanced oil recovery; Microbial enhanced oil recovery (MEOR); Original oil in places; Pseudomonas aeruginosa; Rhamnolipids; Bacteria;Agricultural soils; Bacillus Subtilis; Biosurfactant production; Enhanced oil recovery; Oil displacement experiments; Optimum conditions; Oxygen transfer rate; Surfactin; Bottles; Crude oil; Emulsification; Enhanced recovery; Kerosene; Optimization; Oxygen; Surface active agents; BiomoleculesBacillus Subtilis; Bio-surfactants; MALDI-TOF; MEOR; Surfactins; Biomolecules; Enhanced recovery; Fourier transform infrared spectroscopy; Mass spectrometry; Optimization; Strain; Surface active agentsbiological factor; hydrogen sulfide; natural gas; oil; petroleum; article; biofuel production; biomass; ecosystem; environmental factor; enzyme activity; gene expression; geometry; microbial growth; micr

RNA 16S; article; bacterium; bacterium detection; bacterium identification; Caminicella sporogenes; denaturing gradient gel electrophoresis; gene sequence; microbial community; microbial consortium;Channel sands; Daqing oilfields; Enhanced oil recovery; Field test; Fracture zone; Low permeability; Mixed bacteria; Oil production; Pilot tests; Resource potentials; Floods; Jet pumps; Low permeability reservoirs; Oil fields; Oil wells; Enhanced recoveryCommercial implementation; Complex interaction; Decline curves; Environmental footprints; Field data; Field implementation; Field test; Fundamental research; Laboratory test; Microbial enhanced oil recoveries; Microbial populations; Microbial treatment; Nutrient conditions; Oil production; Oil reservoirs; Oil-production rates; Pilot tests; Potential applications; Production area; Production data; Production

Anaerobic conditions; Bacillus subtilis strains; Heavy oil fractions; Long-chain n-alkanes; Microbial enhanced oil recovery (MEOR); Paraffinic mixtures; Reservoir conditions; Tertiary oil recovery; Biomolecules; Crude oil; Energy conservation; Exhibitions; Heavy oil production; Microorganisms; Paraffins; Petroleum reservoirs; Recovery; Surface active agents; Tertiary recovery; Viscosity; Petroleum reservoir Berea sandstone; Bioproducts; Core flooding; Displacement mechanisms; Dodecane; Driving mechanism; Glass micromodels; Improved oil recovery; Micromodels; MIOR process; Model-based OPC; Multiphysics model; Pore scale; Pore-scale model; Recovery mechanisms; Remaining oil saturations; Reservoir engineering; Reservoir fluid; Rhodococcus sp; Simulation studies; Two phases flow; Visualization expeBio surfactant; Bioclogging; Enhanced oil recovery; Interfacial curvature; Micromodel; Bacteria; Bacteriology; Biomass; Biomolecules; Capillarity; Morphology; Multiphase flow; Petroleum reservoirs; Porous materials; Secondary recovery; Tertiary recovery; Well flooding; Surface active agents; bacterium; enhanced oil recovery; microbial activity; multiphase flow; porosity; reservoir flooding; surface tensiBulk volume; Clostridium tyrobutyricum; Constant coefficients; Dissolved gas; Enhanced oil recovery; Fermentation media; Gas concentration; Laboratory studies; Metabolic activity; Microbial fermentation; Oil displacement; Rock matrix; Salt concentration; Strong correlation; Volumetric mass transfer coefficient; Bacteria; Carbon dioxide; Enhanced recovery; Oil fields; Salinity measurement; Volumetric a

GENBANK: JF829061, JF829062, JF829063, JF829064, JF829065, JF829066, JF829067, JF829068, JF8290Bio surfactant; Clustering analysis; Empirical formulas; Enhanced oil recovery; Fuzzy Cluster Analysis; Fuzzy clustering analysis; Fuzzy mathematics; Optimal choice; Similarity matrix; Statistical indicators; Transitive closure; Cluster analysis; Communication systems; Enhanced recovery; Fuzzy set theory; Oil fields; Strain; Surface active agents; Fuzzy clusteringAir injection; Carbon source; Core flooding; Corn syrup; Economic evaluations; Enhance oil recoveries; Enhanced oil recovery; Fluid property; Laboratory simulation; Nutrient concentrations; Oil viscosity; Orthogonal design method; Phosphorus sources; Physical simulation experiment; Program optimization; Shengli Oilfield; Sinopec; Three parameters; Enhanced recovery; Experiments; Liquids; MathematicalBacillus mojavensis; Biosurfactant production; Blob size; Conceptual model; Enhanced oil recovery; Ex situ; Interfacial curvature; Mature oil; Metabolic byproducts; Oil-wet systems; Residual oil; Residual oil saturation; X-ray computed microtomography; X-ray microtomography; Bacteriology; Byproducts; Metabolism; Multiphase flow; Recovery; Surface active agents; Tertiary recovery; capillary pressurAlkyl chain; Anaerobic conditions; Bacillus strain; Bacterial growth; Bio surfactant; Bio-surfactants; Biosurfactant production; Capillary force; Emulsifying activity; Enhanced oil recovery; Extracellular; Heavy oil fractions; High temperature; Hydrocarbon mixture; Isolation and identification; Low energy consumption; MEOR; n-Alkanes; Oil recoveries; Oil reservoirs; Oil samples; Bacilli; Bacteriology; BiomMEOR; Residual oil saturation; Rock heterogeneity; Simulation; Trapping number; Biology; Computerized tomography; Enhanced recovery; Porous materials; Surface active agents; Petroleum reservoirs; efficiency measurement; enhanced oil recovery; finite element method; hydrocarbon entrapment; microbial activity; numerical model; oil; permeability; porosity; porous medium; residual flow; rock mechA-carbon; Biodiesel production; Elution temperature; Hemicellulose; Hemicellulose hydrolysates; Hemicellulose sugars; Microbial oil; Neutral lipid; Oil concentration; Oleaginous fungi; Optimized conditions; Reducing sugars; Single cell oil; Soluble sugars; Steam explosion; Steam explosion treatment; Sugar recovery; Wheat straws; Xylanases; Biodiesel; Cellulose; Molecular biology; Recovery; Steam; StrawAnaerobic; Anaerobic microbes; Bio surfactant; Enhanced oil recovery; Fermentative bacteria; Field coupling; Metabolic process; Metabolic products; Microbial field; New mathematical model; Nitrate-reducing bacteria; Physical parameters; Porous flow; Profile modification; Sulfate reducing bacteria; Theoretical basis; Viscosity reduction; Aerospace engineering; Bacteria; Couplings; Emulsification; EnhAfter-treatment; Bio surfactant; Degradation rate; Enhanced oil recovery; Freezing point; Indigenous microbes; Lipopeptides; Microbial communities; Most probable number methods; Oil recoveries; Biomolecules; Crude oil; Degradation; Industrial applications; Microorganisms; Petroleum industry; Petroleum reservoir engineering; Petroleum reservoirs; Recovery; Salinity measurement; Spectrum analysisAnalytic method; Enhanced oil recovery; Freezing point; Fuzzy AHP; Oil viscosity; Relative importance; Reservoir screening; Analytic hierarchy process; Fuzzy systems; Hierarchical systems; Intelligent materials; Nanotechnology; Petroleum reservoir engineering; Quality control; Recovery; Enhanced recoveryAerobic and anaerobic conditions; Anaerobic conditions; Bio surfactant; Biodegradation experiments; Cloud points; Cmc values; Daqing oilfields; Enhanced oil recovery; Hydrocarbon degradation; Mobility enhancement; Oil recovery efficiency; Positive effects; Rhodococcus ruber; Sole carbon source; Wettability alteration; Biomolecules; Crude oil; Degradation; Emulsification; Experiments; Oil fields; Phase b

GENBANK: AB020336, AB434899, AJ243189, AJ311702, AJ311703, AY297972, AY353956, BX957219,Bio surfactant; Bio-surfactants; Enhanced oil recovery; High permeability zone; Injected fluids; Injection wells; Mechanism analysis; Microbial oil; Mineral nitrogen; Physico-chemicals; Production wells; Residue oil; Sweep efficiency; Technological treatment; Water formation; Water-air mixture; Biomolecules; Biotechnology; Ecosystems; Fatty acids; Hydrodynamics; Industrial applications; Metabolites; Oil fCommunity structures; Directional control; Enhanced oil recovery; Gene libraries; Genetic diversity; Microbial communities; Microbial community structures; Microbial enhanced oil recovery; PCR-DGGE; Phylogenetic analysis; Phylogenetics; Polymer flooding; Reservoir systems; Genes; Microorganisms; Planning; Polymerase chain reaction; Polymers; Recovery; Reservoirs (water); Social sciences; SustaiActive mechanism; Bioproducts; Dodecane; Fluid interface; Improved oil recovery; Microscopic mechanisms; MIOR; Oil recoveries; Oil-in-water emulsions; Pattern change; Pore scale; Pore wall; Pore-network models; Remaining oil saturations; Reservoir engineering; Rhodococcus sp; Visualization experiment; Bacteria; Emulsification; Emulsions; Experiments; Flow patterns; Glass; Paraffins; Recovery; VisualiAbiotic conditions; Bacillus mojavensis; Bio surfactant; Bioclogging; Biosurfactant production; Blob size; Capillary desaturation; Capillary numbers; Combined effect; Enhanced oil recovery; Micromodels; Oil recoveries; Pore morphology; Radius of curvature; Residual oil; Residual oil saturation; Shewanella oneidensis; Tertiary oil recovery; Bacteria; Bacteriology; Biomass; Biomolecules; Capillarity; ExhibitCapital investment; Complex interaction; Enhanced oil recovery; Environmental footprints; Field data; Field implementation; Field level; Fundamental research; Laboratory test; matrix; Microbial populations; Nutrient conditions; Oil saturation; Potential applications; Production area; Recovery factors; Residual oil saturation; Rock surfaces; Sweep efficiency; Bacteria; Enhanced recovery; Exhibitions; InvesBacillus strain; Carbonate reservoir; Core flooding test; Crude oil viscosity; Elevated temperature; Enhanced oil recovery; Experimental studies; Hele-Shaw model; Recovery mechanisms; Recovery test; Sandstone reservoirs; Bacteriology; Carbonation; Crude oil; Petroleum engineering; Petroleum reservoir evaluation; Petroleum reservoirs; Recovery; Enhanced recoveryBrevibacillus brevis; Channel sands; Daqing oilfields; Enhanced oil recovery; Field test; Fracture zone; Low permeability; Main effect; Oil production; Oil recoveries; Well deliverability; Bacillus cereus; Bacteriology; Jet pumps; Oil fields; Oil wells; Petroleum engineering; Recovery; Wells; Enhanced recoveryasphalt; biosurfactant; exopolysaccharide; hydrocarbon; oil; sulfate; Athabasca oil sand; bacterial strain; bacterium culture; bacterium isolation; biotechnology; Canada; geological time; methanogenesActive mechanism; Application method; Basic concepts; Enhanced oil recovery; Future trends; microbe; Oil recoveries; trend; Information science; Recovery; Enhanced recoveryAcid production; Average concentration; Calcium ions; Carbonate rock; Chalk samples; Clostridium tyrobutyricum; Dissolution rates; Energy source; Enhanced oil recovery; Fluid interactions; Fluid-rock interaction; Ion concentrations; Laboratory experiments; North Sea; Rock matrix; Salt concentration; Surface plots; Bacteriology; Calcium; Concentration (process); Dissolution; Enhanced recovery; Fluids; Core flooding; Electrotransformation; Elevated temperature; Enhanced oil recovery; Enterobacter; Exopolysaccharides; Genomic DNA; Higher temperatures; Insoluble biopolymers; Oil recoveries; Oil resCapillary numbers; Combined effect; Computational model; Coupled process; Cross-couplings; Enhanced oil recovery; Finite element models; Functional relation; Hydrogeological; Immiscible fluids; Implicit methods; Interfacial tensions; MEOR; Microbial metabolism; Model results; Oil recoveries; Parametric study; Physical process; Potential benefits; Reservoir simulator; Residual oil saturation; ResiduaArgentina; Enhanced oil recovery; Environmentally-friendly; Field application; Field data; Field experience; Gas productions; High water-cut; Low temperatures; Low water; Malaysia; Metabolic products; microbe; Oil recoveries; petroleum; Production rates; Reservoir permeability; Residual oil; Wettability alteration; Bacteria; Bacteriology; Biodegradation; Low temperature production; Petroleum reservoCore flooding; Enhanced oil recovery; Field application; Finite element models; Fully-coupled; Heterogeneous porous media; Homogeneous porous media; Hydrological process; Low cost methods; Microbial metabolism; Microbial process; Oil recoveries; Porosity distributions; Residual oil saturation; X-ray CT; Computer simulation; Crude oil; Fluid mechanics; Porous materials; Solute transport; Petroleum


biosurfactant; detergent; emulsifying agent; foaming agent; glycolipid; glycopeptide; lipopeptide; lipopolysaccharide; rhamnolipid; spreading agent; unclassified drug; wetting agent; biological product; p2-D displacement; 3D simulations; Compositional streamline simulators; Displacement efficiency; Distribution coefficient; Enhanced oil recovery; Finite difference approach; Gravity effects; Interfacial tensions; Multiple dimensions; Oil recoveries; Oil/water; Operator splitting technique; Physical process; Reactive transport; Residual oil saturation; Simulation tool; Transport process; Water phasis;Coupling models; Enhanced oil recovery; Fluid flow; Function of time; Indigenous microbes; Material distribution; Metabolic process; Microbial communities; Microbial field; New mathematical model; Numerical models; Numerical simulation software; Oil recoveries; Primary mechanism; Profile control; Seepage equations; Seepage field; Seepage fields; Theoretical basis; Viscosity reduction; Water flo

Results of coreflooding experiments with Rhodococcus sp. 094 species have already revealed that the bacterium is able to increase oil recoveries up to 9 %. Subsequent investigations have been carried out in order to recognize the complex mechanisms. Although published results proposed wettability changes in core plugs and favourable changes in the flow pattern as the active mechanisms but the potential of interfacial tension (IFT) and contact angle parameters was not fully understood in an aerobic process. The present paper is a continuation of a series of laboratory experiments and consists of intAn onshore oilfield, located in the northeast of Brazil, is being submitted to a microbial EOR method to reduce problems associated with high permeability zones. Ten water injection wells were selected to the field trial. The method consists in the dosage of nutrients and an electron acceptor in the injection water, in order to stimulate microorganisms to produce biomass and biopolymer to plug high permeability zones. Pressure, flow rate and injectivity profile are being monitored. The results demonstrated that the process is effective. Five wells indicated the plugging of the high permeability zone, d

Active mechanism; Aerobic process; Complex mechanisms; Constant flow; Continuous flows; Continuous phase; Dynamic condition; Dynamic Systems; Experimental procedure; Improved oil recovery; In-core; Interfacial tensions; Laboratory experiments; Metabolic activity; Observation Period; Oil recoveries; Pendant drop; Quartz plates; Reduction mechanisms; Refined hydrocarbons; Rhodococcus sp; StaticElectron acceptor; Enhanced oil recovery; EOR methods; Field pilot; Field trial; High permeability zone; Injection water; Injectivity; Pressure increase; Sweep efficiency; Water injection wells; Enhanced recovery; Injection (oil wells); Recovery; Water injection; Wells; Oil fieldsBio surfactant; Biosurfactant flooding; Interfacial tension; Oil recoveries; Pseudomonas aeroginosa; Water flooding; Biomolecules; Low permeability reservoirs; Petroleum reservoir engineering; Recovery; Salinity measurement; Surface active agents; Enhanced recovery; bacterium; carbonate; dolomite; enhanced oil recovery; flooding; limestone; oil production; permeability; salinity; surface tension; BClostridium; microbial growth; microbial viability; microbiology; nonhuman; oil industry; patent; product recovery; review; Extraction and Processing Industry; Industrial Microbiology; Petroleum

GENBANK: FJ392828


biosurfactant; carbon; lipopolysaccharide; molasses; nitrogen; Alcaligenes faecalis; article; bacterial strain; bacterium isolation; nonhuman; permeability; surface tension; Alcaligenes; Alcaligenes faecaliBefore and after; Carbon source; Community structure; Community structures; Enhanced oil recovery; Environmental factors; Growth and metabolism; High pressure; In-situ; Metabolic activity; Oil plants; Produced water; Reservoir pressure; Short periods; Atmospheric pressure; Biochemistry; Glucose; Metabolism; Organic acids; Recovery; Shape optimization; Surface tension; Enhanced recoveryBio-surfactants; Blind holes; Dilatational rheology property; Enhanced oil recovery; Flow Phenomena; Gas-liquid interface; Interfacial activity; Interfacial film; Micro mechanisms; Microbe; Micromechanism; Oil displacement; Oil displacement experiment; Oil films; Oil flow; Oil water interfaces; Oil-water; Plane model; Polymer flooding; Remaining oil; Reservoir conditions; Rheological experiment; WaterflooAnalytical method; Free water; Heavy oil; Heavy oil reservoirs; Laboratory experiments; Liquid chromatography-mass spectrometry; Membrane lipids; Microbial cells; Microbial communities; Oil quality;Bacterial isolates; Bacterial strains; Bio surfactant; Bio-surfactants; Biosurfactant production; Carbon source; Carbon substrates; Emulsification index; Enhanced oil recovery; Good yield; High temperature; NaCl concentration; Nitrogen concentrations; Nutrient enrichments; Oil companies; Oil contaminated soil; Oil Prices; Surface tension measurements; Various pH; Wet soil; Bacteriology; Biomolecules; Capil

Biogas producing microbes; Biosurfactant producing microbes; Functioning mechanisms; Gudao oil reservoirs in Shengli; High temperature and high pressure; Microbes (microorganisms} for EOR; Oil displacement; Remained oil states; Simulation micromodelsCompetition; Economics; Enhanced recovery; Exhibitions; Hydrocarbons; Petroleum deposits; Petroleum engineering; Petroleum industry; Petroleum prospecting; Petroleum refineries; Petroleum reservoir evaluation; Recovery; Solar radiation; Technology; Turbulent flow; Economic constraints; Enhance oil recoveries; Enhanced Oil recoveries; Microbial enhanced oil recoveries; New developments; Oil maAreal sweeps; Bio-surfactants; Biological deposits; Biosurfactant productions; Broad applications; Capillary numbers; Critical analysis; Critical reviews; Crude oil; Emulsion droplets; Enhance oil recoveries; Enhanced oil recoveries; In-situ; Key components; Limiting case; Microbial technologies; North seas; Oil displacements; Oil productions; Oil recoveries; Oil-water interfaces; Potential benefits; ProducBacteriology; Benzene; Biomolecules; Colloids; Critical micelle concentration; Cultivation; Enhanced recovery; Micelles; Sodium; Sodium sulfate; Soil pollution; Sulfate minerals; Surface chemistry; Surf

GENBANK: DQ922951, EU564336Bacteria; Contamination; Emulsification; Enhanced recovery; Peptides; bacterium; bioremediation; oil pollution; soil pollution; surfactant; Asia; Eurasia; Iran; Middle East; Tehran; Bacilli (class); Bacillus (bacterium); Bacillus licheniformis; Bacillus subtilis; Posibacteria

GENBANK: EU009936, EU009937, EU009938, EU009939, EU009940, EU009941, EU009942, EU009943Bacteria; Mineral oils; Recovery; Microbial oil recovery; Microbial surfactants; Surface active agents; biosurfactant; mineral oil; petroleum; article; bacterial metabolism; bacterial strain; bacteriu



Advanced enhanced oil recovery; Alternative tertiary oil recovery; Improved oil recovery; In situ surfactant production; Microbial enhanced oil recovery (MEOR); Petroleum reservoir microbiology; Cost effectiveness; Microorganisms; Petroleum reservoirs; Profitability; Surface active agents; Tertiary recoveryEthced-glass micromodels; Matrix-fracture interfaces; Microbial enhanced oil recovery (MEOR)technique; Bacteriology; Biopolymers; Fracturing fluids; Petrochemicals; Porous materials; Surface active agents; Enhanced recovery; Bacteriology; Biopolymers; Enhanced recovery; Fracturing fluids; Petrochemicals; Porous materials; Surface active agents; efficiency measurement; enhanced oil recovery; flow paCosts; Crude petroleum; Economic analysis; Enhanced recovery; Microbiology; Petroleum industry; Production control; Microbial enhanced oil recovery; Oil prices; Production costs; Oil fieldsMicrobial enhanced oil recovery (MEOR); Oil industry; Post treatment analysis; Economic analysis; Flood control; Investments; Petroleum industry; Problem solving; Recovery; Technology transfer; Oil fields

A study on engineered rhamnolipid biosurfactants as EOR agents that potentially could be manufactured at low cost from renewable resources, and have lower toxicity than synthetic EOR surfactants was carried out. This biosurfactant comes mainly from the microbe Pseudomonas aeruginosa. An approach to clone the genetic information from a P. aeruginosa strain into E. coli to manipulate systematically the structure of the created rhamnolipids was presented. Rhanmolipid biosurfactants might be applicable as EOR agents. Biotechnology methods might be applied to engineer new non-pathogenic E. coli sBiosurfactants; Genetic codes; Microbial enhanced oil recovery; Pseudomonas aeruginosa; Rhamnolipids; Lipids; Microorganisms; Pathogens; Renewable energy resources; Surface active agents; Toxicity; Enhanced recoveryMathematical relations; Oil engineering; Computer simulation; Cost effectiveness; Enhanced recovery; Fossil fuels; Microbial fuel cells; Oil wells; Petroleum reservoirs; Biotechnology

Microbe-based research; Microbial Oil Recovery (MEOR); Oil recovery; Enhanced recovery; Genetic engineering; Metabolites; Microbiology; Oil well production; Crude petroleum

assessment method; biomonitoring; DNA fingerprinting; microbial community; molecular analysis; oil spill; organic pollutant; petroleum hydrocarbon; polymerase chain reaction; soil microorganism; soil pollution; soil remediationMicrobial improved oil recovery; Spontaneous imbibition; Wettability; Bacteria; Computer simulation; Enhanced recovery; Interfaces (materials); Surface tension; Well flooding; Wetting; Oil well production; Bacteria; Computer simulation; Enhanced recovery; Interfaces (materials); Oil well production; Surface tension; Well flooding; Wetting; bacterium; enhanced oil recovery; microbial activity; oil product

Conventional surfactants; Improved oil recovery; Laboratory experiments; Microbiological analysis; Oil-degrading bacteria; Relative permeability; Residual oil saturation; Surfactant concentrations; Computer simulation; Experiments; Floods; Petroleum reservoirs; Surface active agents; Aerobic bacteriaEnvironmental scanning electron microscope (ESEM); Interfacial tension (IFT); Microbial Improved Oil Recovery (MIOR); Oil saturation; Core analysis; Cryogenic equipment; Image analysis; Oil well flooding; Pore size; Reduction; Scanning electron microscopy; Surface tension; Tomography; Vacuum applications; Wetting; Crude petroleumAnaerobic conditions; Biosurfactant flooding; Oil recoveries; Residual oil; Alcohols; Microorganisms; Oil fields; Porosity; Surface active agents; Surface tension; Well floodingBiosurfactant; Field pilot; High temperature reservoir; Microbial water flooding; Bacteria; Crude petroleum; Fatty acids; High temperature operations; Oil well flooding; Petroleum reservoirs; Surface active agents; Enhanced recovery; enhanced oil recovery; hydrocarbon reservoirBacteria PBS for oil recovery; Bacterial population distribution; Chemotaxis; Microbial enhanced oil recovery; Oil displacement mechanisms; Surfactant producing bacteriaarabinose; bacterial DNA; DNA 16S; galactose; glucose; ground water; mannose; molasses; petroleum; polymer; uronic acid; water; anaerobic bacterium; bacterial flora; biofilm; biotechnology; denitrifi

The effectiveness of a bio-surfactant-based microbial EOR process was studied. Bio-surfactant produced by the bacterium Bacillus mojavensis JF-2 mobilized and recovered residual oil when mixed with a co-surfactant, 2,3-butanediol and partially hydrolyzed polyacrylamide (PHPA) and flooded through sand packs at waterflood residual oil saturation. Twenty to eighty percent of the residual oil was recovered depending on the bio-surfactant concentration. The recovery was linearly dependent on bio-surfactant concentration. The injection of a viscous solution ahead of the surfactant solution and a visBiochemistry; Biosensors; Carbon; Contamination; Hydrocarbons; Mixtures; Paraffins; Microbial community; Microbiota; Soils; bioassay; bioremediation; community structure; oil pollution; pollution effect; soil microorganism; soil pollution; toxicity; Bacteria (microorganisms); Microbiota; Pseudomonas; Pseudomonas putida; Vibrio; Vibrio fischeriBacteria; Composition effects; Computer simulation; Mathematical models; Microbiology; Oils and fats; Pressure effects; Recovery; Transport properties; Bacterial concentration; Clostridium acetobutylicum; Convective forces; Dispersive forces; Microbial enhanced oil recovery; Soaking period; Energy resourcesBacteriology; Gas chromatography; Molasses; pH; Solvents; Microbial treatment; Enhanced recovery

Bacterial species; DNA reproduction; Field trials; Gene detection; Jilin oil field; Microbial enhanced oil recovery (MEOR); Microorganisms for oil recovery; Polymerase chain reaction (PCR); restriction fragment length polymorphism (RFLP)Activation; Indigenous microorganisms; Microbial enhanced oil recovery(MEOR); Review; Stratal microflora; Subterranean microbial processes; Waterflooding reservoirsBiosurfactants; Bipolymers; Bacteria; Crude petroleum; Mechanical permeability; Microbiology; Nutrition; Rocks; Salinity measurement; Surface active agents; Surface tension; Water; Wetting; Petroleum engineering

Chemical flooding simulator; Oil recovery; Adsorption; Computer simulation; Electrolytes; Gels; Microemulsions; Microorganisms; Polymers; Porosity; Simulators; Petroleum industry

Bacteria screening/cultivation; Effects of chemicals; Growth of microorganisms; Microbes for oil recovery; Microbial reservoir stimulation and enhanced oil recovery (MRS/MEOR); Oilfield chemicals; Reviewoil; petroleum; conference paper; nonhuman; priority journal; Pseudomonas aeruginosa; viscosity; Pseudomonas; Pseudomonas aeruginosa

During the Permian Basin Section's October 2001 meeting, speaker Steven Bryant addressed the topic "Microbial EOR (MEOR) - A sober look at an infectious idea". According to Bryant, MEOR is an intriguing technology capable of functioning as a self-perpetuating and self-guiding recovery process. The process involves the injection of microbes with nutrients into the injection well, shutting the well in for a period of time to allow the microbes to propagate, then resuming injection with water and possibly more nutrients. Once injected, these microbes, which can thrive under downhole conditions, become numerous tiny "downhole chemical factories" (DCF) that produce various chemicals, e.g., biosurfactants and biopolymers, which can help unlock trapped oil reserves. An MEOR flood is a chemical EOR flood produced in situ by these DCF. For the price of a waterflood, an operator could obtain the much higher displacement efficiency of this chemical EOR process.




Computer simulation; Costs; Nutrition; Porosity; Residual fuels; Well flooding; Oil recovery; Petroleum reservoirsA fluorescence in situ hybridization (FISH) technique using 16S rRNA-targeted oligonucleotide probes was developed for rapid detection of microorganisms for use in the microbial enhancement of oil recovery (MEOR) process. Two microorganisms, Enterobacter cloacae TRC-322 and Bacillus licheniformis TRC-18-2-a, were selected from a collection of Enterobacter sp. and Bacillus sp. which were screened in previous studies as candidate microorganisms for injection, and were used for this experiment. Oligonucleotide probes, design based on specific sequences in the 16S rRNA gene were labeled with either fThe objective of this study is to screen effective microorganisms for the Microbial Enhanced Oil Recovery process (or simply as MEOR). Samples of drilling cuttings, formation water, and soil were collected from domestic drilling sites and oil fields. Moreover, samples of activated-sludge and compost were collected from domestic sewage treatment facility and food treatment facility. At first, microorganisms in samples were investigated by incubation with different media; then they were isolated. By two stage-screening based on metabolizing ability, 4 strains (Bacillus licheniformis TRC-18-2-a, Enterobacter


Bacteria; Carboxylic acids; Cost effectiveness; Crude petroleum; Interfaces (materials); Mixtures; Oil well flooding; Phase interfaces; Surface active agents; Surface tension; Microbial pretreatment recovery method; Enhanced recoveryMicrobial enhanced oil recovery; Polymerase chain reaction; Genetic engineering; Growth kinetics; Microorganisms; Petroleum reservoirs; Thermal effects; Well flooding

Adsorption; Bacteria; Biodegradation; Computer simulation; Crude petroleum; Diffusion; Growth kinetics; Mathematical models; Metabolites; Molasses; Porosity; Water; Absolute permeability; Bacterial culture slug; Chemotaxis; Injection flow rate; Residual oil saturation; Enhanced recovery; bacteria; enhanced oil recovery

Information dissemination; Microorganisms; Oil well flooding; Technical presentations; Microbial enhanced oil recovery; Enhanced recoverysurfactant; biodegradation; biosynthesis; economics; emulsion; microorganism; nonhuman; oil spill; pollution control; priority journal; review; Biosurfactants; Recovery Techniques-Tertiary; Remediation; SurfactantsData acquisition; Data reduction; Database systems; Economics; Forecasting; Oil wells; Petroleum reservoirs; Technology; Microbial enhanced oil recovery process; Enhanced recoveryBacteria; Hydrodynamics; Mathematical models; Metabolites; Clostridium bacteria; Microbial enhanced oil recovery (MEOR); Enhanced recoveryFatty acids; Gases; In situ processing; Microanalysis; Microbiology; Petroleum industry; Petroleum reservoirs; Polymers; Reservoirs (water); Sulfur compounds; Surface active agents; Technology; Biocompetitive exclusion; Core flooding; Enhance oil recovery; In situ; Microbial utilization; Recovery agent; Sulfate reduction; Sulfide prevention; Enhanced recovery


Biochemistry; Biodegradation; Biotechnology; Crude petroleum; Microorganisms; Biotreatment; Microbial enhanced oil recovery (MEOR); Thermoadapted microorganisms; Enhanced recoveryBacteria; Inorganic Compounds; Well Flooding; Microbial Enhanced Oil Recovery; Shannon Formation; Enhanced RecoveryBacteria; Hydrocarbons - Recovery; Soap; Water; Injected Water; Microbial Enhanced Oil Recovery; Microflora Activation; Periodic Activation; Oil Well ProductionBacteria; Hydrocarbons - Degradation; Oil Wells - Offshore; Water; Aerobic Microbial Enhanced Oil Recovery; Interfacial Tension; Off Shore Platforms; Oil Degrading Bacterial; Water Pumping; Oil Well Production

corrosiveness; enhanced oil recovery; hydrogen sulphide; microbial activity; paraffin deposition; toxicityAbstract: A method is described that measures the concentration of hydrocarbon degrading bacteria (HDB) in samples of fluid collected from oil wells treated with MEOR bacteria. Total HDB populations were enumerated by a serial dilution method and direct counted by optical microscopy. Examples from three field studies indicate that hydrocarbon degrading bacterial populations can be monitored through time and that changes in these populations in an MEOR treated reservoir may provide a measure of bacterial transport. © 1991.Abstract: The United States desperately need a technology today that will effectively release and recover more oil from our known oil reservoirs. Microbial Enhanced Oil Recovery (MEOR) is a low cost technology which now offers a solution for recovering oil before the abandonment of our oil fields. It is now time for the oil industry to seriously consider using MEOR in their field operations. © 1991.Abstract: Developments in MEOR have shown that successful microbial candidates should be able to metabolize crude oils in the presence of high salt concentrations, as well as be able to produce beneficial metabolites such as acids and emulsifying agents. Furthermore, under reservoir conditions, such microorganisms should be viable over extended periods of time at elevated temperatures and pressures. Depending on the depth and manner of application, the ability to grow under anaerobic to low oxygen conditions and oil as a sole source of carbon would also be advantageous. Studies in this laboratory have shown that certain species of thermophilic microorganisms may satisfy MEOR requirements. Seve


Bacteria; Surface Active Agents; Biosurfactants; Coreflood; Formation Flowpaths; Microbially Enhanced Oil Recovery (MEOR); Permeability Reduction Factor (PRF); Oil Well ProductionHydrocarbons--Processing; Microorganisms--Applications; Petroleum, Crude--Processing; Boscan Crude; Microbial Enhanced Oil Recovery (MEOR); Microbial/Crude Oil Interactions; Thermophilic Microorganisms; Thianaphthalene; Oil Well ProductionBacteria - Industrial Applications; Flow of Fluids; Microorganisms--Industrial Applications; Petroleum Reservoir Engineering; Oil Well ProductionBacteria - Industrial Applications; Mathematical Models; Microorganisms - Industrial Applications; Oil Well ProductionMicroorganisms; Berea Sandstone Cores; Microbe Transport; Microbial Enhanced Oil Recovery; Oil Mobilization Mechanism; Oil Well Production

Microorganisms; Petroleum Reservoir Engineering; Microbial Oil Recovery; Microbial Technology; Microbial-enhanced Waterflooding; Oil Well ProductionThis report summarizes the need for, the potential of, and the research still required for microbial enhanced oil recovery (MEOR). Enhanced oil recovery processes are those which recover oil unrecoverable by primary or secondary methods. To date, only chemical flooding, miscible flooding and thermal recovery have been considered as economical recovery techniques. Last year the DOE sponsored international MEOR workshop concluded that MEOR has merit as a cost effective method for recovering residual oil. However, there has been no reliable and documented assessment of the technical and economic aspects of MEOR as compared to other EOR techniques. A review of the literature and the conclusions of the MEOR workshop have been summarized to determine the state of the art of MEOR technology, its advantages and limitations and future.

BACTERIOLOGY; MICROORGANISMS - Applications; PETROLEUM PROSPECTING - Core Analysis; POROUS MATERIALS; SURFACE ACTIVE AGENTS; MICROBIAL GROWTH; MICROBIAL SYSTEMS; MICROMODEL; SURFACTANTS; OIL WELL PRODUCTIONPETROLEUM RESERVOIR ENGINEERING; BACTERIAL CULTURE; INJECTION WELLS; STIMULATION; TRAPPED OIL; OIL WELL PRODUCTION

BACTERIOLOGY; BIOCHEMICAL ENGINEERING; CHEMICALS; AEROBES; ANAEROBES; MICROBIAL ENHANCED OIL RECOVERY; MICROORGANISMS; OIL WELL PRODUCTION

BACTERIA GROWTH MEDIUM; BIO-SURFACTANT PRODUCING BACTERIA; CALCULATION OF RECOVERY EFFICIENCY; CONTINUOUS FLOODING PROCESSES; IN SITU MICROBIAL PROCESSES; OIL-CONTAINING SANDPACK COLUMNS; OIL WELL PRODUCTION

A resurgence of interest in the possible applications of microbial systems to processing and production of petroleum has occurred in this decade. It actually began in the 1930's with Dr. Zo Bell' pioneering work at direct applications of microbes for oil recovery. The new approach is a more fundamental effort by microbiologists to understand the complex subsurface environment of a petroleum reservoir in relation to microbial metabolism; and engineers to understand the fundamental activities of microbes before attempting to bring the two systems together. A review of the papers presented at the 1982 Conference on Microbia Enhancement of Oil Recovery, Afton, Oklahoma, will be presented togetherBIOCHEMISTRY; PETROLEUM RESERVOIR ENGINEERING; CHLORINATION; CONNECTING PORES AT FACE OF WELL; ENHANCED OIL RECOVERY (EOR); INJECTION TECHNIQUES; OIL SANDS CONTAINING BENTONITE; PORE PLUGGING; OIL WELL PRODUCTIONBACTERIOLOGY; BIOCHEMISTRY; ADAPTED BACTERIAL POPULATIONS; FIELD STUDIES; LABORATORY STUDIES; SUGAR REFINERY WASTE; YIELDS; OIL WELL PRODUCTIONBIOPOLYMERS; CRUDE OIL; ENHANCED OIL RECOVERY; GEOCHEMICAL PROCESSES; MICROORGANISMS; OIL RESERVOIRS; OIL FIELDSBACTERIOLOGY; BIOCHEMISTRY; FLOW OF FLUIDS - Transport Properties; ORGANIC COMPOUNDS; PETROLEUM RESERVOIR ENGINEERING; BACTERIAL POPULATION; BACTERIAL TRANSPORT; EIREV; EOR; HEAVY OILS; MICROBIOLOGY; OIL WELL PRODUCTIONBACTERIOLOGY; BIOCHEMISTRY; ANAEROBIC ENRICHMENT TECHNIQUES; ANAEROBIC GAS PRODUCTION; EFFECT OF MOLECULAR OXYGEN ON ANAEROBIC GAS PRODUCTION; ENRICHMENT FOR METHANOGENIC BACTERIA; METABOLIZATION OF CRUDE OIL CONSTITUENTS; RELEASE OF METHANE FROM CRUDE OIL; OIL WELL PRODUCTIONABSTRACT ONLY; APPLICATIONS OF MICROBIAL SYSTEMS TO HEAVY OILS; MICROBIAL ENHANCEMENT OF OIL RECOVERY; MICROBIAL FIELD APPLICATIONS; PETROLEUM PRODUCTION; TRANSPORT PROPERTIES OF MICROBES; OIL WELL PRODUCTIONABSTRACT ONLY; BEREA SANDSTONE CORES; ENHANCED OIL RECOVERY; MICROBIAL GROWTH; PERMEABILITY REDUCTION; SELECTIVITY OF MICROBIAL PLUGGING PROCESSES; OIL WELL PRODUCTION


Chemicals/CASEnhanced oil recovery; Laboratory studies; Metabolic products; microbe; Microbial enhanced oil recoveries; Oil reservoirs; Polymer surfactants; Tertiary oil recovery; Microorganisms; Mixtures; Polymers; Surface active agents; Tertiary recovery; Petroleum reservoirsBio surfactant; MEOR; Microbial enhanced oil recoveries; Physical simulation; Pseudomonas aeruginosa; Surface activities; Bacteria; Biomolecules; Carbon; Nitrogen; Petroleum reservoirs; Surface active agents; Enhanced recoveryAverage concentration; Conventional injections; Field trial; Heavy oil; Heavy oil reservoirs; Microbial enhanced oil recoveries; Microbial oil; Single well; Bacteria; Crude oil; Heavy oil production; Injection (oil wells); Oil wells; Petroleum reservoirs; Temperature; Oil fields

petroleum, 8002-05-9ferrous ion, 15438-31-0; nitrate, 14797-55-8nitrogen, 7727-37-9; sodium chloride, 7647-14-5; sunflower oil, 8001-21-6; Glycolipids; Petroleum; Water Pollutants, Chemical; rhamnolipid

Agricultural soils; Bacillus Subtilis; Biosurfactant production; Enhanced oil recovery; Oil displacement experiments; Optimum conditions; Oxygen transfer rate; Surfactin; Bottles; Crude oil; Emulsification; Enhanced recovery; Kerosene; Optimization; Oxygen; Surface active agents; BiomoleculesBacillus Subtilis; Bio-surfactants; MALDI-TOF; MEOR; Surfactins; Biomolecules; Enhanced recovery; Fourier transform infrared spectroscopy; Mass spectrometry; Optimization; Strain; Surface active agents

hydrogen sulfide, 15035-72-0, 7783-06-4; natural gas, 8006-14-2; petroleum, 8002-05-9

DNA, Bacterial; DNA, Ribosomal; Oils; RNA, Ribosomal, 16SChannel sands; Daqing oilfields; Enhanced oil recovery; Field test; Fracture zone; Low permeability; Mixed bacteria; Oil production; Pilot tests; Resource potentials; Floods; Jet pumps; Low permeability reservoirs; Oil fields; Oil wells; Enhanced recoveryCommercial implementation; Complex interaction; Decline curves; Environmental footprints; Field data; Field implementation; Field test; Fundamental research; Laboratory test; Microbial enhanced oil recoveries; Microbial populations; Microbial treatment; Nutrient conditions; Oil production; Oil reservoirs; Oil-production rates; Pilot tests; Potential applications; Production area; Production data; Production


DNA, Bacterial; DNA, Ribosomal; RNA, Ribosomal, 16SBio surfactant; Clustering analysis; Empirical formulas; Enhanced oil recovery; Fuzzy Cluster Analysis; Fuzzy clustering analysis; Fuzzy mathematics; Optimal choice; Similarity matrix; Statistical indicators; Transitive closure; Cluster analysis; Communication systems; Enhanced recovery; Fuzzy set theory; Oil fields; Strain; Surface active agents; Fuzzy clusteringAir injection; Carbon source; Core flooding; Corn syrup; Economic evaluations; Enhance oil recoveries; Enhanced oil recovery; Fluid property; Laboratory simulation; Nutrient concentrations; Oil viscosity; Orthogonal design method; Phosphorus sources; Physical simulation experiment; Program optimization; Shengli Oilfield; Sinopec; Three parameters; Enhanced recovery; Experiments; Liquids; MathematicalBacillus mojavensis; Biosurfactant production; Blob size; Conceptual model; Enhanced oil recovery; Ex situ; Interfacial curvature; Mature oil; Metabolic byproducts; Oil-wet systems; Residual oil; Residual oil saturation; X-ray computed microtomography; X-ray microtomography; Bacteriology; Byproducts; Metabolism; Multiphase flow; Recovery; Surface active agents; Tertiary recovery; capillary pressurAlkyl chain; Anaerobic conditions; Bacillus strain; Bacterial growth; Bio surfactant; Bio-surfactants; Biosurfactant production; Capillary force; Emulsifying activity; Enhanced oil recovery; Extracellular; Heavy oil fractions; High temperature; Hydrocarbon mixture; Isolation and identification; Low energy consumption; MEOR; n-Alkanes; Oil recoveries; Oil reservoirs; Oil samples; Bacilli; Bacteriology; BiomMEOR; Residual oil saturation; Rock heterogeneity; Simulation; Trapping number; Biology; Computerized tomography; Enhanced recovery; Porous materials; Surface active agents; Petroleum reservoirs; efficiency measurement; enhanced oil recovery; finite element method; hydrocarbon entrapment; microbial activity; numerical model; oil; permeability; porosity; porous medium; residual flow; rock mechA-carbon; Biodiesel production; Elution temperature; Hemicellulose; Hemicellulose hydrolysates; Hemicellulose sugars; Microbial oil; Neutral lipid; Oil concentration; Oleaginous fungi; Optimized conditions; Reducing sugars; Single cell oil; Soluble sugars; Steam explosion; Steam explosion treatment; Sugar recovery; Wheat straws; Xylanases; Biodiesel; Cellulose; Molecular biology; Recovery; Steam; StrawAnaerobic; Anaerobic microbes; Bio surfactant; Enhanced oil recovery; Fermentative bacteria; Field coupling; Metabolic process; Metabolic products; Microbial field; New mathematical model; Nitrate-reducing bacteria; Physical parameters; Porous flow; Profile modification; Sulfate reducing bacteria; Theoretical basis; Viscosity reduction; Aerospace engineering; Bacteria; Couplings; Emulsification; EnhAfter-treatment; Bio surfactant; Degradation rate; Enhanced oil recovery; Freezing point; Indigenous microbes; Lipopeptides; Microbial communities; Most probable number methods; Oil recoveries; Biomolecules; Crude oil; Degradation; Industrial applications; Microorganisms; Petroleum industry; Petroleum reservoir engineering; Petroleum reservoirs; Recovery; Salinity measurement; Spectrum analysisAnalytic method; Enhanced oil recovery; Freezing point; Fuzzy AHP; Oil viscosity; Relative importance; Reservoir screening; Analytic hierarchy process; Fuzzy systems; Hierarchical systems; Intelligent materials; Nanotechnology; Petroleum reservoir engineering; Quality control; Recovery; Enhanced recoveryAerobic and anaerobic conditions; Anaerobic conditions; Bio surfactant; Biodegradation experiments; Cloud points; Cmc values; Daqing oilfields; Enhanced oil recovery; Hydrocarbon degradation; Mobility enhancement; Oil recovery efficiency; Positive effects; Rhodococcus ruber; Sole carbon source; Wettability alteration; Biomolecules; Crude oil; Degradation; Emulsification; Experiments; Oil fields; Phase b

methane, 74-82-8; petroleum, 8002-05-9; water, 7732-18-5; Culture Media; DNA, Bacterial; Methane, 74-82-8; PetroleumBio surfactant; Bio-surfactants; Enhanced oil recovery; High permeability zone; Injected fluids; Injection wells; Mechanism analysis; Microbial oil; Mineral nitrogen; Physico-chemicals; Production wells; Residue oil; Sweep efficiency; Technological treatment; Water formation; Water-air mixture; Biomolecules; Biotechnology; Ecosystems; Fatty acids; Hydrodynamics; Industrial applications; Metabolites; Oil fCommunity structures; Directional control; Enhanced oil recovery; Gene libraries; Genetic diversity; Microbial communities; Microbial community structures; Microbial enhanced oil recovery; PCR-DGGE; Phylogenetic analysis; Phylogenetics; Polymer flooding; Reservoir systems; Genes; Microorganisms; Planning; Polymerase chain reaction; Polymers; Recovery; Reservoirs (water); Social sciences; SustaiActive mechanism; Bioproducts; Dodecane; Fluid interface; Improved oil recovery; Microscopic mechanisms; MIOR; Oil recoveries; Oil-in-water emulsions; Pattern change; Pore scale; Pore wall; Pore-network models; Remaining oil saturations; Reservoir engineering; Rhodococcus sp; Visualization experiment; Bacteria; Emulsification; Emulsions; Experiments; Flow patterns; Glass; Paraffins; Recovery; VisualiAbiotic conditions; Bacillus mojavensis; Bio surfactant; Bioclogging; Biosurfactant production; Blob size; Capillary desaturation; Capillary numbers; Combined effect; Enhanced oil recovery; Micromodels; Oil recoveries; Pore morphology; Radius of curvature; Residual oil; Residual oil saturation; Shewanella oneidensis; Tertiary oil recovery; Bacteria; Bacteriology; Biomass; Biomolecules; Capillarity; ExhibitCapital investment; Complex interaction; Enhanced oil recovery; Environmental footprints; Field data; Field implementation; Field level; Fundamental research; Laboratory test; matrix; Microbial populations; Nutrient conditions; Oil saturation; Potential applications; Production area; Recovery factors; Residual oil saturation; Rock surfaces; Sweep efficiency; Bacteria; Enhanced recovery; Exhibitions; InvesBacillus strain; Carbonate reservoir; Core flooding test; Crude oil viscosity; Elevated temperature; Enhanced oil recovery; Experimental studies; Hele-Shaw model; Recovery mechanisms; Recovery test; Sandstone reservoirs; Bacteriology; Carbonation; Crude oil; Petroleum engineering; Petroleum reservoir evaluation; Petroleum reservoirs; Recovery; Enhanced recoveryBrevibacillus brevis; Channel sands; Daqing oilfields; Enhanced oil recovery; Field test; Fracture zone; Low permeability; Main effect; Oil production; Oil recoveries; Well deliverability; Bacillus cereus; Bacteriology; Jet pumps; Oil fields; Oil wells; Petroleum engineering; Recovery; Wells; Enhanced recovery

asphalt, 8052-42-4; sulfate, 14808-79-8; Hydrocarbons; Petroleum; Silicon Dioxide, 7631-86-9

Acid production; Average concentration; Calcium ions; Carbonate rock; Chalk samples; Clostridium tyrobutyricum; Dissolution rates; Energy source; Enhanced oil recovery; Fluid interactions; Fluid-rock interaction; Ion concentrations; Laboratory experiments; North Sea; Rock matrix; Salt concentration; Surface plots; Bacteriology; Calcium; Concentration (process); Dissolution; Enhanced recovery; Fluids; petroleum, 8002-05-9; DNA Primers; Polysaccharides

Capillary numbers; Combined effect; Computational model; Coupled process; Cross-couplings; Enhanced oil recovery; Finite element models; Functional relation; Hydrogeological; Immiscible fluids; Implicit methods; Interfacial tensions; MEOR; Microbial metabolism; Model results; Oil recoveries; Parametric study; Physical process; Potential benefits; Reservoir simulator; Residual oil saturation; ResiduaArgentina; Enhanced oil recovery; Environmentally-friendly; Field application; Field data; Field experience; Gas productions; High water-cut; Low temperatures; Low water; Malaysia; Metabolic products; microbe; Oil recoveries; petroleum; Production rates; Reservoir permeability; Residual oil; Wettability alteration; Bacteria; Bacteriology; Biodegradation; Low temperature production; Petroleum reservoCore flooding; Enhanced oil recovery; Field application; Finite element models; Fully-coupled; Heterogeneous porous media; Homogeneous porous media; Hydrological process; Low cost methods; Microbial metabolism; Microbial process; Oil recoveries; Porosity distributions; Residual oil saturation; X-ray CT; Computer simulation; Crude oil; Fluid mechanics; Porous materials; Solute transport; Petroleum


petroleum, 8002-05-9; Biological Products; Petroleum; Surface-Active Agents2-D displacement; 3D simulations; Compositional streamline simulators; Displacement efficiency; Distribution coefficient; Enhanced oil recovery; Finite difference approach; Gravity effects; Interfacial tensions; Multiple dimensions; Oil recoveries; Oil/water; Operator splitting technique; Physical process; Reactive transport; Residual oil saturation; Simulation tool; Transport process; Water phasis;Coupling models; Enhanced oil recovery; Fluid flow; Function of time; Indigenous microbes; Material distribution; Metabolic process; Microbial communities; Microbial field; New mathematical model; Numerical models; Numerical simulation software; Oil recoveries; Primary mechanism; Profile control; Seepage equations; Seepage field; Seepage fields; Theoretical basis; Viscosity reduction; Water flo


Active mechanism; Aerobic process; Complex mechanisms; Constant flow; Continuous flows; Continuous phase; Dynamic condition; Dynamic Systems; Experimental procedure; Improved oil recovery; In-core; Interfacial tensions; Laboratory experiments; Metabolic activity; Observation Period; Oil recoveries; Pendant drop; Quartz plates; Reduction mechanisms; Refined hydrocarbons; Rhodococcus sp; StaticElectron acceptor; Enhanced oil recovery; EOR methods; Field pilot; Field trial; High permeability zone; Injection water; Injectivity; Pressure increase; Sweep efficiency; Water injection wells; Enhanced recovery; Injection (oil wells); Recovery; Water injection; Wells; Oil fieldsBio surfactant; Biosurfactant flooding; Interfacial tension; Oil recoveries; Pseudomonas aeroginosa; Water flooding; Biomolecules; Low permeability reservoirs; Petroleum reservoir engineering; Recovery; Salinity measurement; Surface active agents; Enhanced recovery; bacterium; carbonate; dolomite; enhanced oil recovery; flooding; limestone; oil production; permeability; salinity; surface tension; B

Petroleumamikacin, 37517-28-5, 39831-55-5; ampicillin, 69-52-3, 69-53-4, 7177-48-2, 74083-13-9, 94586-58-0; chloramphenicol, 134-90-7, 2787-09-9, 56-75-7; cotrimoxazole, 8064-90-2; gentamicin, 1392-48-9, 1403


carbon, 7440-44-0; molasses, 68476-78-8; nitrogen, 7727-37-9Before and after; Carbon source; Community structure; Community structures; Enhanced oil recovery; Environmental factors; Growth and metabolism; High pressure; In-situ; Metabolic activity; Oil plants; Produced water; Reservoir pressure; Short periods; Atmospheric pressure; Biochemistry; Glucose; Metabolism; Organic acids; Recovery; Shape optimization; Surface tension; Enhanced recoveryBio-surfactants; Blind holes; Dilatational rheology property; Enhanced oil recovery; Flow Phenomena; Gas-liquid interface; Interfacial activity; Interfacial film; Micro mechanisms; Microbe; Micromechanism; Oil displacement; Oil displacement experiment; Oil films; Oil flow; Oil water interfaces; Oil-water; Plane model; Polymer flooding; Remaining oil; Reservoir conditions; Rheological experiment; Waterfloo

lipid, 66455-18-3; petroleum, 8002-05-9; Lipids; Petroleum; Water, 7732-18-5Bacterial isolates; Bacterial strains; Bio surfactant; Bio-surfactants; Biosurfactant production; Carbon source; Carbon substrates; Emulsification index; Enhanced oil recovery; Good yield; High temperature; NaCl concentration; Nitrogen concentrations; Nutrient enrichments; Oil companies; Oil contaminated soil; Oil Prices; Surface tension measurements; Various pH; Wet soil; Bacteriology; Biomolecules; Capil

Competition; Economics; Enhanced recovery; Exhibitions; Hydrocarbons; Petroleum deposits; Petroleum engineering; Petroleum industry; Petroleum prospecting; Petroleum refineries; Petroleum reservoir evaluation; Recovery; Solar radiation; Technology; Turbulent flow; Economic constraints; Enhance oil recoveries; Enhanced Oil recoveries; Microbial enhanced oil recoveries; New developments; Oil maAreal sweeps; Bio-surfactants; Biological deposits; Biosurfactant productions; Broad applications; Capillary numbers; Critical analysis; Critical reviews; Crude oil; Emulsion droplets; Enhance oil recoveries; Enhanced oil recoveries; In-situ; Key components; Limiting case; Microbial technologies; North seas; Oil displacements; Oil productions; Oil recoveries; Oil-water interfaces; Potential benefits; Produc

dodecylbenzenesulfonate sodium, 25155-30-0; petroleum, 8002-05-9; polysorbate 80, 8050-83-7, 9005-65-6; propylene oxide, 75-56-9lipid, 66455-18-3; protein, 67254-75-5; water, 7732-18-5; Emulsifying Agents; Petroleum; Silicon Dioxide, 7631-86-9; Surface-Active Agents

Bacteria; Contamination; Emulsification; Enhanced recovery; Peptides; bacterium; bioremediation; oil pollution; soil pollution; surfactant; Asia; Eurasia; Iran; Middle East; Tehran; Bacilli (class); Bacillus (bacterium); Bacillus licheniformis; Bacillus subtilis; Posibacteriawater, 7732-18-5; Petroleum; RNA, Ribosomal, 16S; Water, 7732-18-5petroleum, 8002-05-9; Alkanes; Culture Media; Glucose, 50-99-7; Glycerol, 56-81-5; Micelles; n-hexadecane, 544-76-3; Petroleum; Silicon Dioxide, 7631-86-9; Surface-Active Agents



Advanced enhanced oil recovery; Alternative tertiary oil recovery; Improved oil recovery; In situ surfactant production; Microbial enhanced oil recovery (MEOR); Petroleum reservoir microbiology; Cost effectiveness; Microorganisms; Petroleum reservoirs; Profitability; Surface active agents; Tertiary recoveryEthced-glass micromodels; Matrix-fracture interfaces; Microbial enhanced oil recovery (MEOR)technique; Bacteriology; Biopolymers; Fracturing fluids; Petrochemicals; Porous materials; Surface active agents; Enhanced recovery; Bacteriology; Biopolymers; Enhanced recovery; Fracturing fluids; Petrochemicals; Porous materials; Surface active agents; efficiency measurement; enhanced oil recovery; flow pa

Microbial enhanced oil recovery (MEOR); Oil industry; Post treatment analysis; Economic analysis; Flood control; Investments; Petroleum industry; Problem solving; Recovery; Technology transfer; Oil fieldsA study on engineered rhamnolipid biosurfactants as EOR agents that potentially could be manufactured at low cost from renewable resources, and have lower toxicity than synthetic EOR surfactants was carried out. This biosurfactant comes mainly from the microbe Pseudomonas aeruginosa. An approach to clone the genetic information from a P. aeruginosa strain into E. coli to manipulate systematically the structure of the created rhamnolipids was presented. Rhanmolipid biosurfactants might be applicable as EOR agents. Biotechnology methods might be applied to engineer new non-pathogenic E. coli s

Biosurfactants; Genetic codes; Microbial enhanced oil recovery; Pseudomonas aeruginosa; Rhamnolipids; Lipids; Microorganisms; Pathogens; Renewable energy resources; Surface active agents; Toxicity; Enhanced recovery

assessment method; biomonitoring; DNA fingerprinting; microbial community; molecular analysis; oil spill; organic pollutant; petroleum hydrocarbon; polymerase chain reaction; soil microorganism; soil pollution; soil remediationMicrobial improved oil recovery; Spontaneous imbibition; Wettability; Bacteria; Computer simulation; Enhanced recovery; Interfaces (materials); Surface tension; Well flooding; Wetting; Oil well production; Bacteria; Computer simulation; Enhanced recovery; Interfaces (materials); Oil well production; Surface tension; Well flooding; Wetting; bacterium; enhanced oil recovery; microbial activity; oil product

Conventional surfactants; Improved oil recovery; Laboratory experiments; Microbiological analysis; Oil-degrading bacteria; Relative permeability; Residual oil saturation; Surfactant concentrations; Computer simulation; Experiments; Floods; Petroleum reservoirs; Surface active agents; Aerobic bacteriaEnvironmental scanning electron microscope (ESEM); Interfacial tension (IFT); Microbial Improved Oil Recovery (MIOR); Oil saturation; Core analysis; Cryogenic equipment; Image analysis; Oil well flooding; Pore size; Reduction; Scanning electron microscopy; Surface tension; Tomography; Vacuum applications; Wetting; Crude petroleum

Biosurfactant; Field pilot; High temperature reservoir; Microbial water flooding; Bacteria; Crude petroleum; Fatty acids; High temperature operations; Oil well flooding; Petroleum reservoirs; Surface active agents; Enhanced recovery; enhanced oil recovery; hydrocarbon reservoir

arabinose, 147-81-9; galactose, 26566-61-0, 50855-33-9, 59-23-4; glucose, 50-99-7, 84778-64-3; mannose, 31103-86-3, 3458-28-4; molasses, 68476-78-8; petroleum, 8002-05-9; water, 7732-18-5

The effectiveness of a bio-surfactant-based microbial EOR process was studied. Bio-surfactant produced by the bacterium Bacillus mojavensis JF-2 mobilized and recovered residual oil when mixed with a co-surfactant, 2,3-butanediol and partially hydrolyzed polyacrylamide (PHPA) and flooded through sand packs at waterflood residual oil saturation. Twenty to eighty percent of the residual oil was recovered depending on the bio-surfactant concentration. The recovery was linearly dependent on bio-surfactant concentration. The injection of a viscous solution ahead of the surfactant solution and a visBiochemistry; Biosensors; Carbon; Contamination; Hydrocarbons; Mixtures; Paraffins; Microbial community; Microbiota; Soils; bioassay; bioremediation; community structure; oil pollution; pollution effect; soil microorganism; soil pollution; toxicity; Bacteria (microorganisms); Microbiota; Pseudomonas; Pseudomonas putida; Vibrio; Vibrio fischeriBacteria; Composition effects; Computer simulation; Mathematical models; Microbiology; Oils and fats; Pressure effects; Recovery; Transport properties; Bacterial concentration; Clostridium acetobutylicum; Convective forces; Dispersive forces; Microbial enhanced oil recovery; Soaking period; Energy resources

Biosurfactants; Bipolymers; Bacteria; Crude petroleum; Mechanical permeability; Microbiology; Nutrition; Rocks; Salinity measurement; Surface active agents; Surface tension; Water; Wetting; Petroleum engineering





A fluorescence in situ hybridization (FISH) technique using 16S rRNA-targeted oligonucleotide probes was developed for rapid detection of microorganisms for use in the microbial enhancement of oil recovery (MEOR) process. Two microorganisms, Enterobacter cloacae TRC-322 and Bacillus licheniformis TRC-18-2-a, were selected from a collection of Enterobacter sp. and Bacillus sp. which were screened in previous studies as candidate microorganisms for injection, and were used for this experiment. Oligonucleotide probes, design based on specific sequences in the 16S rRNA gene were labeled with either fThe objective of this study is to screen effective microorganisms for the Microbial Enhanced Oil Recovery process (or simply as MEOR). Samples of drilling cuttings, formation water, and soil were collected from domestic drilling sites and oil fields. Moreover, samples of activated-sludge and compost were collected from domestic sewage treatment facility and food treatment facility. At first, microorganisms in samples were investigated by incubation with different media; then they were isolated. By two stage-screening based on metabolizing ability, 4 strains (Bacillus licheniformis TRC-18-2-a, Enterobacter


Bacteria; Carboxylic acids; Cost effectiveness; Crude petroleum; Interfaces (materials); Mixtures; Oil well flooding; Phase interfaces; Surface active agents; Surface tension; Microbial pretreatment recovery method; Enhanced recovery


surfactant; biodegradation; biosynthesis; economics; emulsion; microorganism; nonhuman; oil spill; pollution control; priority journal; review; Biosurfactants; Recovery Techniques-Tertiary; Remediation; Surfactants

Fatty acids; Gases; In situ processing; Microanalysis; Microbiology; Petroleum industry; Petroleum reservoirs; Polymers; Reservoirs (water); Sulfur compounds; Surface active agents; Technology; Biocompetitive exclusion; Core flooding; Enhance oil recovery; In situ; Microbial utilization; Recovery agent; Sulfate reduction; Sulfide prevention; Enhanced recoveryAbstract: The Trinidad and Tobago Oil Company Limited (TRINTOC) possesses approximately 1300 active oil wells, of which 75% produce less than fifteen (15) barrels per day. The decline in natural production was 15-18% per annum over the last five years. Efforts are underway to examine ways to enhance the oil recovery from existing reservoirs. Since Trinidad and Tobago produces sugar, it was anticipated that MEOR using sugar by-products is a technique by which stripper oil wells may economically produce incremental oil. Of the various options available for using microbes to improve well productivity, it was felt that single well stimulation would provide the most attractive opportunity for TRINTOC to eAbstract: The history of the first commercial microbial culture product for controlling paraffin accumulation in oil field production systems is described. This product is composed of a consortium of different, naturally occurring marine microorganisms that are selectively isolated and adapted to reduce the precipitation of high molecular weight alkanes. First used in 1986 in the Austin Chalk formation, the Para-Bac™ product line began as a single product for paraffin control. Now in use throughout the major producing formations of North America, the product line currently consists of over twelve different products directed at enhanced oil recovery, mitigation of sulfate-reducing bacteria, as well as contr

Bacteria; Hydrocarbons - Degradation; Oil Wells - Offshore; Water; Aerobic Microbial Enhanced Oil Recovery; Interfacial Tension; Off Shore Platforms; Oil Degrading Bacterial; Water Pumping; Oil Well Production

Abstract: A method is described that measures the concentration of hydrocarbon degrading bacteria (HDB) in samples of fluid collected from oil wells treated with MEOR bacteria. Total HDB populations were enumerated by a serial dilution method and direct counted by optical microscopy. Examples from three field studies indicate that hydrocarbon degrading bacterial populations can be monitored through time and that changes in these populations in an MEOR treated reservoir may provide a measure of bacterial transport. © 1991.

Abstract: Developments in MEOR have shown that successful microbial candidates should be able to metabolize crude oils in the presence of high salt concentrations, as well as be able to produce beneficial metabolites such as acids and emulsifying agents. Furthermore, under reservoir conditions, such microorganisms should be viable over extended periods of time at elevated temperatures and pressures. Depending on the depth and manner of application, the ability to grow under anaerobic to low oxygen conditions and oil as a sole source of carbon would also be advantageous. Studies in this laboratory have shown that certain species of thermophilic microorganisms may satisfy MEOR requirements. Seve


Hydrocarbons--Processing; Microorganisms--Applications; Petroleum, Crude--Processing; Boscan Crude; Microbial Enhanced Oil Recovery (MEOR); Microbial/Crude Oil Interactions; Thermophilic Microorganisms; Thianaphthalene; Oil Well Production

This report summarizes the need for, the potential of, and the research still required for microbial enhanced oil recovery (MEOR). Enhanced oil recovery processes are those which recover oil unrecoverable by primary or secondary methods. To date, only chemical flooding, miscible flooding and thermal recovery have been considered as economical recovery techniques. Last year the DOE sponsored international MEOR workshop concluded that MEOR has merit as a cost effective method for recovering residual oil. However, there has been no reliable and documented assessment of the technical and economic aspects of MEOR as compared to other EOR techniques. A review of the literature and the conclusions of the MEOR workshop have been summarized to determine the state of the art of MEOR technology, its advantages and limitations and future.BACTERIOLOGY; MICROORGANISMS - Applications; PETROLEUM PROSPECTING - Core Analysis; POROUS MATERIALS; SURFACE ACTIVE AGENTS; MICROBIAL GROWTH; MICROBIAL SYSTEMS; MICROMODEL; SURFACTANTS; OIL WELL PRODUCTION

BACTERIA GROWTH MEDIUM; BIO-SURFACTANT PRODUCING BACTERIA; CALCULATION OF RECOVERY EFFICIENCY; CONTINUOUS FLOODING PROCESSES; IN SITU MICROBIAL PROCESSES; OIL-CONTAINING SANDPACK COLUMNS; OIL WELL PRODUCTION

A resurgence of interest in the possible applications of microbial systems to processing and production of petroleum has occurred in this decade. It actually began in the 1930's with Dr. Zo Bell' pioneering work at direct applications of microbes for oil recovery. The new approach is a more fundamental effort by microbiologists to understand the complex subsurface environment of a petroleum reservoir in relation to microbial metabolism; and engineers to understand the fundamental activities of microbes before attempting to bring the two systems together. A review of the papers presented at the 1982 Conference on Microbia Enhancement of Oil Recovery, Afton, Oklahoma, will be presented togetherBIOCHEMISTRY; PETROLEUM RESERVOIR ENGINEERING; CHLORINATION; CONNECTING PORES AT FACE OF WELL; ENHANCED OIL RECOVERY (EOR); INJECTION TECHNIQUES; OIL SANDS CONTAINING BENTONITE; PORE PLUGGING; OIL WELL PRODUCTION

BACTERIOLOGY; BIOCHEMISTRY; FLOW OF FLUIDS - Transport Properties; ORGANIC COMPOUNDS; PETROLEUM RESERVOIR ENGINEERING; BACTERIAL POPULATION; BACTERIAL TRANSPORT; EIREV; EOR; HEAVY OILS; MICROBIOLOGY; OIL WELL PRODUCTIONBACTERIOLOGY; BIOCHEMISTRY; ANAEROBIC ENRICHMENT TECHNIQUES; ANAEROBIC GAS PRODUCTION; EFFECT OF MOLECULAR OXYGEN ON ANAEROBIC GAS PRODUCTION; ENRICHMENT FOR METHANOGENIC BACTERIA; METABOLIZATION OF CRUDE OIL CONSTITUENTS; RELEASE OF METHANE FROM CRUDE OIL; OIL WELL PRODUCTIONABSTRACT ONLY; APPLICATIONS OF MICROBIAL SYSTEMS TO HEAVY OILS; MICROBIAL ENHANCEMENT OF OIL RECOVERY; MICROBIAL FIELD APPLICATIONS; PETROLEUM PRODUCTION; TRANSPORT PROPERTIES OF MICROBES; OIL WELL PRODUCTION


Tradenames Manufacturers Funding Details

41172333, NSFC, National Natural Science Foundation of China

nitrogen, 7727-37-9; sodium chloride, 7647-14-5; sunflower oil, 8001-21-6; Glycolipids; Petroleum; Water Pollutants, Chemical; rhamnolipid

Commercial implementation; Complex interaction; Decline curves; Environmental footprints; Field data; Field implementation; Field test; Fundamental research; Laboratory test; Microbial enhanced oil recoveries; Microbial populations; Microbial treatment; Nutrient conditions; Oil production; Oil reservoirs; Oil-production rates; Pilot tests; Potential applications; Production area; Production data; Production


Bio surfactant; Clustering analysis; Empirical formulas; Enhanced oil recovery; Fuzzy Cluster Analysis; Fuzzy clustering analysis; Fuzzy mathematics; Optimal choice; Similarity matrix; Statistical indicators; Transitive closure; Cluster analysis; Communication systems; Enhanced recovery; Fuzzy set theory; Oil fields; Strain; Surface active agents; Fuzzy clusteringAir injection; Carbon source; Core flooding; Corn syrup; Economic evaluations; Enhance oil recoveries; Enhanced oil recovery; Fluid property; Laboratory simulation; Nutrient concentrations; Oil viscosity; Orthogonal design method; Phosphorus sources; Physical simulation experiment; Program optimization; Shengli Oilfield; Sinopec; Three parameters; Enhanced recovery; Experiments; Liquids; MathematicalBacillus mojavensis; Biosurfactant production; Blob size; Conceptual model; Enhanced oil recovery; Ex situ; Interfacial curvature; Mature oil; Metabolic byproducts; Oil-wet systems; Residual oil; Residual oil saturation; X-ray computed microtomography; X-ray microtomography; Bacteriology; Byproducts; Metabolism; Multiphase flow; Recovery; Surface active agents; Tertiary recovery; capillary pressurAlkyl chain; Anaerobic conditions; Bacillus strain; Bacterial growth; Bio surfactant; Bio-surfactants; Biosurfactant production; Capillary force; Emulsifying activity; Enhanced oil recovery; Extracellular; Heavy oil fractions; High temperature; Hydrocarbon mixture; Isolation and identification; Low energy consumption; MEOR; n-Alkanes; Oil recoveries; Oil reservoirs; Oil samples; Bacilli; Bacteriology; BiomMEOR; Residual oil saturation; Rock heterogeneity; Simulation; Trapping number; Biology; Computerized tomography; Enhanced recovery; Porous materials; Surface active agents; Petroleum reservoirs; efficiency measurement; enhanced oil recovery; finite element method; hydrocarbon entrapment; microbial activity; numerical model; oil; permeability; porosity; porous medium; residual flow; rock mechA-carbon; Biodiesel production; Elution temperature; Hemicellulose; Hemicellulose hydrolysates; Hemicellulose sugars; Microbial oil; Neutral lipid; Oil concentration; Oleaginous fungi; Optimized conditions; Reducing sugars; Single cell oil; Soluble sugars; Steam explosion; Steam explosion treatment; Sugar recovery; Wheat straws; Xylanases; Biodiesel; Cellulose; Molecular biology; Recovery; Steam; StrawAnaerobic; Anaerobic microbes; Bio surfactant; Enhanced oil recovery; Fermentative bacteria; Field coupling; Metabolic process; Metabolic products; Microbial field; New mathematical model; Nitrate-reducing bacteria; Physical parameters; Porous flow; Profile modification; Sulfate reducing bacteria; Theoretical basis; Viscosity reduction; Aerospace engineering; Bacteria; Couplings; Emulsification; EnhAfter-treatment; Bio surfactant; Degradation rate; Enhanced oil recovery; Freezing point; Indigenous microbes; Lipopeptides; Microbial communities; Most probable number methods; Oil recoveries; Biomolecules; Crude oil; Degradation; Industrial applications; Microorganisms; Petroleum industry; Petroleum reservoir engineering; Petroleum reservoirs; Recovery; Salinity measurement; Spectrum analysisAnalytic method; Enhanced oil recovery; Freezing point; Fuzzy AHP; Oil viscosity; Relative importance; Reservoir screening; Analytic hierarchy process; Fuzzy systems; Hierarchical systems; Intelligent materials; Nanotechnology; Petroleum reservoir engineering; Quality control; Recovery; Enhanced recoveryAerobic and anaerobic conditions; Anaerobic conditions; Bio surfactant; Biodegradation experiments; Cloud points; Cmc values; Daqing oilfields; Enhanced oil recovery; Hydrocarbon degradation; Mobility enhancement; Oil recovery efficiency; Positive effects; Rhodococcus ruber; Sole carbon source; Wettability alteration; Biomolecules; Crude oil; Degradation; Emulsification; Experiments; Oil fields; Phase b

methane, 74-82-8; petroleum, 8002-05-9; water, 7732-18-5; Culture Media; DNA, Bacterial; Methane, 74-82-8; PetroleumBio surfactant; Bio-surfactants; Enhanced oil recovery; High permeability zone; Injected fluids; Injection wells; Mechanism analysis; Microbial oil; Mineral nitrogen; Physico-chemicals; Production wells; Residue oil; Sweep efficiency; Technological treatment; Water formation; Water-air mixture; Biomolecules; Biotechnology; Ecosystems; Fatty acids; Hydrodynamics; Industrial applications; Metabolites; Oil fCommunity structures; Directional control; Enhanced oil recovery; Gene libraries; Genetic diversity; Microbial communities; Microbial community structures; Microbial enhanced oil recovery; PCR-DGGE; Phylogenetic analysis; Phylogenetics; Polymer flooding; Reservoir systems; Genes; Microorganisms; Planning; Polymerase chain reaction; Polymers; Recovery; Reservoirs (water); Social sciences; SustaiActive mechanism; Bioproducts; Dodecane; Fluid interface; Improved oil recovery; Microscopic mechanisms; MIOR; Oil recoveries; Oil-in-water emulsions; Pattern change; Pore scale; Pore wall; Pore-network models; Remaining oil saturations; Reservoir engineering; Rhodococcus sp; Visualization experiment; Bacteria; Emulsification; Emulsions; Experiments; Flow patterns; Glass; Paraffins; Recovery; VisualiAbiotic conditions; Bacillus mojavensis; Bio surfactant; Bioclogging; Biosurfactant production; Blob size; Capillary desaturation; Capillary numbers; Combined effect; Enhanced oil recovery; Micromodels; Oil recoveries; Pore morphology; Radius of curvature; Residual oil; Residual oil saturation; Shewanella oneidensis; Tertiary oil recovery; Bacteria; Bacteriology; Biomass; Biomolecules; Capillarity; ExhibitCapital investment; Complex interaction; Enhanced oil recovery; Environmental footprints; Field data; Field implementation; Field level; Fundamental research; Laboratory test; matrix; Microbial populations; Nutrient conditions; Oil saturation; Potential applications; Production area; Recovery factors; Residual oil saturation; Rock surfaces; Sweep efficiency; Bacteria; Enhanced recovery; Exhibitions; InvesBacillus strain; Carbonate reservoir; Core flooding test; Crude oil viscosity; Elevated temperature; Enhanced oil recovery; Experimental studies; Hele-Shaw model; Recovery mechanisms; Recovery test; Sandstone reservoirs; Bacteriology; Carbonation; Crude oil; Petroleum engineering; Petroleum reservoir evaluation; Petroleum reservoirs; Recovery; Enhanced recoveryBrevibacillus brevis; Channel sands; Daqing oilfields; Enhanced oil recovery; Field test; Fracture zone; Low permeability; Main effect; Oil production; Oil recoveries; Well deliverability; Bacillus cereus; Bacteriology; Jet pumps; Oil fields; Oil wells; Petroleum engineering; Recovery; Wells; Enhanced recovery

Acid production; Average concentration; Calcium ions; Carbonate rock; Chalk samples; Clostridium tyrobutyricum; Dissolution rates; Energy source; Enhanced oil recovery; Fluid interactions; Fluid-rock interaction; Ion concentrations; Laboratory experiments; North Sea; Rock matrix; Salt concentration; Surface plots; Bacteriology; Calcium; Concentration (process); Dissolution; Enhanced recovery; Fluids;

Capillary numbers; Combined effect; Computational model; Coupled process; Cross-couplings; Enhanced oil recovery; Finite element models; Functional relation; Hydrogeological; Immiscible fluids; Implicit methods; Interfacial tensions; MEOR; Microbial metabolism; Model results; Oil recoveries; Parametric study; Physical process; Potential benefits; Reservoir simulator; Residual oil saturation; ResiduaArgentina; Enhanced oil recovery; Environmentally-friendly; Field application; Field data; Field experience; Gas productions; High water-cut; Low temperatures; Low water; Malaysia; Metabolic products; microbe; Oil recoveries; petroleum; Production rates; Reservoir permeability; Residual oil; Wettability alteration; Bacteria; Bacteriology; Biodegradation; Low temperature production; Petroleum reservoCore flooding; Enhanced oil recovery; Field application; Finite element models; Fully-coupled; Heterogeneous porous media; Homogeneous porous media; Hydrological process; Low cost methods; Microbial metabolism; Microbial process; Oil recoveries; Porosity distributions; Residual oil saturation; X-ray CT; Computer simulation; Crude oil; Fluid mechanics; Porous materials; Solute transport; Petroleum


2-D displacement; 3D simulations; Compositional streamline simulators; Displacement efficiency; Distribution coefficient; Enhanced oil recovery; Finite difference approach; Gravity effects; Interfacial tensions; Multiple dimensions; Oil recoveries; Oil/water; Operator splitting technique; Physical process; Reactive transport; Residual oil saturation; Simulation tool; Transport process; Water phasis;Coupling models; Enhanced oil recovery; Fluid flow; Function of time; Indigenous microbes; Material distribution; Metabolic process; Microbial communities; Microbial field; New mathematical model; Numerical models; Numerical simulation software; Oil recoveries; Primary mechanism; Profile control; Seepage equations; Seepage field; Seepage fields; Theoretical basis; Viscosity reduction; Water flo


Active mechanism; Aerobic process; Complex mechanisms; Constant flow; Continuous flows; Continuous phase; Dynamic condition; Dynamic Systems; Experimental procedure; Improved oil recovery; In-core; Interfacial tensions; Laboratory experiments; Metabolic activity; Observation Period; Oil recoveries; Pendant drop; Quartz plates; Reduction mechanisms; Refined hydrocarbons; Rhodococcus sp; Static

Bio surfactant; Biosurfactant flooding; Interfacial tension; Oil recoveries; Pseudomonas aeroginosa; Water flooding; Biomolecules; Low permeability reservoirs; Petroleum reservoir engineering; Recovery; Salinity measurement; Surface active agents; Enhanced recovery; bacterium; carbonate; dolomite; enhanced oil recovery; flooding; limestone; oil production; permeability; salinity; surface tension; B

amikacin, 37517-28-5, 39831-55-5; ampicillin, 69-52-3, 69-53-4, 7177-48-2, 74083-13-9, 94586-58-0; chloramphenicol, 134-90-7, 2787-09-9, 56-75-7; cotrimoxazole, 8064-90-2; gentamicin, 1392-48-9, 1403


Before and after; Carbon source; Community structure; Community structures; Enhanced oil recovery; Environmental factors; Growth and metabolism; High pressure; In-situ; Metabolic activity; Oil plants; Produced water; Reservoir pressure; Short periods; Atmospheric pressure; Biochemistry; Glucose; Metabolism; Organic acids; Recovery; Shape optimization; Surface tension; Enhanced recoveryBio-surfactants; Blind holes; Dilatational rheology property; Enhanced oil recovery; Flow Phenomena; Gas-liquid interface; Interfacial activity; Interfacial film; Micro mechanisms; Microbe; Micromechanism; Oil displacement; Oil displacement experiment; Oil films; Oil flow; Oil water interfaces; Oil-water; Plane model; Polymer flooding; Remaining oil; Reservoir conditions; Rheological experiment; Waterfloo

Bacterial isolates; Bacterial strains; Bio surfactant; Bio-surfactants; Biosurfactant production; Carbon source; Carbon substrates; Emulsification index; Enhanced oil recovery; Good yield; High temperature; NaCl concentration; Nitrogen concentrations; Nutrient enrichments; Oil companies; Oil contaminated soil; Oil Prices; Surface tension measurements; Various pH; Wet soil; Bacteriology; Biomolecules; Capil

Competition; Economics; Enhanced recovery; Exhibitions; Hydrocarbons; Petroleum deposits; Petroleum engineering; Petroleum industry; Petroleum prospecting; Petroleum refineries; Petroleum reservoir evaluation; Recovery; Solar radiation; Technology; Turbulent flow; Economic constraints; Enhance oil recoveries; Enhanced Oil recoveries; Microbial enhanced oil recoveries; New developments; Oil maAreal sweeps; Bio-surfactants; Biological deposits; Biosurfactant productions; Broad applications; Capillary numbers; Critical analysis; Critical reviews; Crude oil; Emulsion droplets; Enhance oil recoveries; Enhanced oil recoveries; In-situ; Key components; Limiting case; Microbial technologies; North seas; Oil displacements; Oil productions; Oil recoveries; Oil-water interfaces; Potential benefits; Produc

dodecylbenzenesulfonate sodium, 25155-30-0; petroleum, 8002-05-9; polysorbate 80, 8050-83-7, 9005-65-6; propylene oxide, 75-56-9lipid, 66455-18-3; protein, 67254-75-5; water, 7732-18-5; Emulsifying Agents; Petroleum; Silicon Dioxide, 7631-86-9; Surface-Active Agents

petroleum, 8002-05-9; Alkanes; Culture Media; Glucose, 50-99-7; Glycerol, 56-81-5; Micelles; n-hexadecane, 544-76-3; Petroleum; Silicon Dioxide, 7631-86-9; Surface-Active Agents


Advanced enhanced oil recovery; Alternative tertiary oil recovery; Improved oil recovery; In situ surfactant production; Microbial enhanced oil recovery (MEOR); Petroleum reservoir microbiology; Cost effectiveness; Microorganisms; Petroleum reservoirs; Profitability; Surface active agents; Tertiary recoveryEthced-glass micromodels; Matrix-fracture interfaces; Microbial enhanced oil recovery (MEOR)technique; Bacteriology; Biopolymers; Fracturing fluids; Petrochemicals; Porous materials; Surface active agents; Enhanced recovery; Bacteriology; Biopolymers; Enhanced recovery; Fracturing fluids; Petrochemicals; Porous materials; Surface active agents; efficiency measurement; enhanced oil recovery; flow pa

A study on engineered rhamnolipid biosurfactants as EOR agents that potentially could be manufactured at low cost from renewable resources, and have lower toxicity than synthetic EOR surfactants was carried out. This biosurfactant comes mainly from the microbe Pseudomonas aeruginosa. An approach to clone the genetic information from a P. aeruginosa strain into E. coli to manipulate systematically the structure of the created rhamnolipids was presented. Rhanmolipid biosurfactants might be applicable as EOR agents. Biotechnology methods might be applied to engineer new non-pathogenic E. coli s

Microbial improved oil recovery; Spontaneous imbibition; Wettability; Bacteria; Computer simulation; Enhanced recovery; Interfaces (materials); Surface tension; Well flooding; Wetting; Oil well production; Bacteria; Computer simulation; Enhanced recovery; Interfaces (materials); Oil well production; Surface tension; Well flooding; Wetting; bacterium; enhanced oil recovery; microbial activity; oil product

Environmental scanning electron microscope (ESEM); Interfacial tension (IFT); Microbial Improved Oil Recovery (MIOR); Oil saturation; Core analysis; Cryogenic equipment; Image analysis; Oil well flooding; Pore size; Reduction; Scanning electron microscopy; Surface tension; Tomography; Vacuum applications; Wetting; Crude petroleum

arabinose, 147-81-9; galactose, 26566-61-0, 50855-33-9, 59-23-4; glucose, 50-99-7, 84778-64-3; mannose, 31103-86-3, 3458-28-4; molasses, 68476-78-8; petroleum, 8002-05-9; water, 7732-18-5

The effectiveness of a bio-surfactant-based microbial EOR process was studied. Bio-surfactant produced by the bacterium Bacillus mojavensis JF-2 mobilized and recovered residual oil when mixed with a co-surfactant, 2,3-butanediol and partially hydrolyzed polyacrylamide (PHPA) and flooded through sand packs at waterflood residual oil saturation. Twenty to eighty percent of the residual oil was recovered depending on the bio-surfactant concentration. The recovery was linearly dependent on bio-surfactant concentration. The injection of a viscous solution ahead of the surfactant solution and a visBiochemistry; Biosensors; Carbon; Contamination; Hydrocarbons; Mixtures; Paraffins; Microbial community; Microbiota; Soils; bioassay; bioremediation; community structure; oil pollution; pollution effect; soil microorganism; soil pollution; toxicity; Bacteria (microorganisms); Microbiota; Pseudomonas; Pseudomonas putida; Vibrio; Vibrio fischeriBacteria; Composition effects; Computer simulation; Mathematical models; Microbiology; Oils and fats; Pressure effects; Recovery; Transport properties; Bacterial concentration; Clostridium acetobutylicum; Convective forces; Dispersive forces; Microbial enhanced oil recovery; Soaking period; Energy resources


Several literature reviews have been published on microbial enhanced oil recovery (MEOR). This paper updates the state of art in MEOR process and presents a summary of field projects. The most common practice technique of MEOR is cyclic stimulation treatment of production wells. Normally small amount of microbial solution injected in a single well and left to soak for a period of time before putting the well back on production. This process results in a limited volume of the reservoir being treated. This usual type of treatment is easy to implement, quick response and relatively inexpensive. Th


Microbial methods have been proposed to reduce problems associated with reservoir heterogeneity that result in unswept zones and low off recovery. Laboratory results of a promising microbial system for polymer production, which could be applied to modify the reservoir permeability, were presented. Consequently, redistribution of fluids occurred, increasing swept zones and off recovery. Coreflooding experiments were carried out in a sandstone model, with and without oil, using polymer producing bacterium isolated from wells of Carmópolis field, Brazil. The microbial cells, as well as the requi

A fluorescence in situ hybridization (FISH) technique using 16S rRNA-targeted oligonucleotide probes was developed for rapid detection of microorganisms for use in the microbial enhancement of oil recovery (MEOR) process. Two microorganisms, Enterobacter cloacae TRC-322 and Bacillus licheniformis TRC-18-2-a, were selected from a collection of Enterobacter sp. and Bacillus sp. which were screened in previous studies as candidate microorganisms for injection, and were used for this experiment. Oligonucleotide probes, design based on specific sequences in the 16S rRNA gene were labeled with either fThe objective of this study is to screen effective microorganisms for the Microbial Enhanced Oil Recovery process (or simply as MEOR). Samples of drilling cuttings, formation water, and soil were collected from domestic drilling sites and oil fields. Moreover, samples of activated-sludge and compost were collected from domestic sewage treatment facility and food treatment facility. At first, microorganisms in samples were investigated by incubation with different media; then they were isolated. By two stage-screening based on metabolizing ability, 4 strains (Bacillus licheniformis TRC-18-2-a, Enterobacter



Fatty acids; Gases; In situ processing; Microanalysis; Microbiology; Petroleum industry; Petroleum reservoirs; Polymers; Reservoirs (water); Sulfur compounds; Surface active agents; Technology; Biocompetitive exclusion; Core flooding; Enhance oil recovery; In situ; Microbial utilization; Recovery agent; Sulfate reduction; Sulfide prevention; Enhanced recoveryAbstract: The Trinidad and Tobago Oil Company Limited (TRINTOC) possesses approximately 1300 active oil wells, of which 75% produce less than fifteen (15) barrels per day. The decline in natural production was 15-18% per annum over the last five years. Efforts are underway to examine ways to enhance the oil recovery from existing reservoirs. Since Trinidad and Tobago produces sugar, it was anticipated that MEOR using sugar by-products is a technique by which stripper oil wells may economically produce incremental oil. Of the various options available for using microbes to improve well productivity, it was felt that single well stimulation would provide the most attractive opportunity for TRINTOC to eAbstract: The history of the first commercial microbial culture product for controlling paraffin accumulation in oil field production systems is described. This product is composed of a consortium of different, naturally occurring marine microorganisms that are selectively isolated and adapted to reduce the precipitation of high molecular weight alkanes. First used in 1986 in the Austin Chalk formation, the Para-Bac™ product line began as a single product for paraffin control. Now in use throughout the major producing formations of North America, the product line currently consists of over twelve different products directed at enhanced oil recovery, mitigation of sulfate-reducing bacteria, as well as contr

Abstract: A method is described that measures the concentration of hydrocarbon degrading bacteria (HDB) in samples of fluid collected from oil wells treated with MEOR bacteria. Total HDB populations were enumerated by a serial dilution method and direct counted by optical microscopy. Examples from three field studies indicate that hydrocarbon degrading bacterial populations can be monitored through time and that changes in these populations in an MEOR treated reservoir may provide a measure of bacterial transport. © 1991.


Abstract: Microorganisms inhabiting petroleum-bearing formations or introduced into subterranean environments are subject to extremes of redox potential, pH, salinity, temperature, pressure, ecological pressure, geochemistry, and energy and nutrient availability. Successful microbial EOR requires the selection, injection, dispersion, metabolism and persistence of organisms with properties that facilitate the release of residual oil and the co-injection of growth effective nutrients into the extreme environments which characterize petroleum reservoirs. Ecological strategies designed to negate previously documented problems in the application of microbial EOR have been shown to be effective in labAfter decades of patent applications and questionable projects, well documented field tests of microbial enhancement of oil recovery are now being reported. These are based on the use of bacteria as agents underground to control fluid flow through selective plugging of channels in the oil reservoir, to enhance the release of oil from waterflood operations through surfactant and gas production, and to increase flow from carbonate reservoirs through acid dissolution of the rock itself. © 1991 Current Biology Ltd.

This report summarizes the need for, the potential of, and the research still required for microbial enhanced oil recovery (MEOR). Enhanced oil recovery processes are those which recover oil unrecoverable by primary or secondary methods. To date, only chemical flooding, miscible flooding and thermal recovery have been considered as economical recovery techniques. Last year the DOE sponsored international MEOR workshop concluded that MEOR has merit as a cost effective method for recovering residual oil. However, there has been no reliable and documented assessment of the technical and economic aspects of MEOR as compared to other EOR techniques. A review of the literature and the conclusions of the MEOR workshop have been summarized to determine the state of the art of MEOR technology, its advantages and limitations and future.

A resurgence of interest in the possible applications of microbial systems to processing and production of petroleum has occurred in this decade. It actually began in the 1930's with Dr. Zo Bell' pioneering work at direct applications of microbes for oil recovery. The new approach is a more fundamental effort by microbiologists to understand the complex subsurface environment of a petroleum reservoir in relation to microbial metabolism; and engineers to understand the fundamental activities of microbes before attempting to bring the two systems together. A review of the papers presented at the 1982 Conference on Microbia Enhancement of Oil Recovery, Afton, Oklahoma, will be presented together

BACTERIOLOGY; BIOCHEMISTRY; ANAEROBIC ENRICHMENT TECHNIQUES; ANAEROBIC GAS PRODUCTION; EFFECT OF MOLECULAR OXYGEN ON ANAEROBIC GAS PRODUCTION; ENRICHMENT FOR METHANOGENIC BACTERIA; METABOLIZATION OF CRUDE OIL CONSTITUENTS; RELEASE OF METHANE FROM CRUDE OIL; OIL WELL PRODUCTION

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Economic productions; Enhanced Oil recoveries; EOR methods; Oil recoveries; Oil reserves; Supply and demands; Technical complexities; World oil markets; Competition; Cost effectiveness; Crude petroleum; Enhanced recovery; Environmental impact; Exhibitions; Hydrocarbons; Organic compounds; Petroleum deposits; Petroleum engineering; Petroleum prospecting; Petroleum reservoir evaluation; Reserves to production ratioBailey, J.E., Toward a science of metabolic engineering (1991) Science, 252 (5013), pp. 1668-1675; CaBelyaev, S.S., Ivanov, V.M., (1990) Geochimiya, 11, p. 1618; Belyaev, Oil hydrocarbon oxidation by exAbtahi, N., Roostaazad, R., Ghadiri, F., Biosurfactant Production in MEOR for Improvement of Iran's Beckman, J.W., The Action of Bacteria on Mineral Oil Industrial Engineering Chemical news, 4 (Nov, 1Green, D.W., Willhite, G.P., Enhanced Oil Recovery SPE Text Book Series, 6, pp. 38-76; Green, D.W., Lin, S.C., Biosurfactant: Recent advances (1996) J Chem Tech ad Biotech, 63, pp. 109-120; Desai, J.D.Lin, S.C., Biosurfactant: Recent advances (1996) J Chem Tech ad Biotech, 63, pp. 109-120; Desai, J.D.(1976) Oil Recovery, , U.S.A National Oil Advisor Group, December; Moshtaqian, A., Exploration Pl

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During the Permian Basin Section's October 2001 meeting, speaker Steven Bryant addressed the topic "Microbial EOR (MEOR) - A sober look at an infectious idea". According to Bryant, MEOR is an intriguing technology capable of functioning as a self-perpetuating and self-guiding recovery process. The process involves the injection of microbes with nutrients into the injection well, shutting the well in for a period of time to allow the microbes to propagate, then resuming injection with water and possibly more nutrients. Once injected, these microbes, which can thrive under downhole conditions, become numerous tiny "downhole chemical factories" (DCF) that produce various chemicals, e.g., biosurfactants and biopolymers, which can help unlock trapped oil reserves. An MEOR flood is a chemical EOR flood produced in situ by these DCF. For the price of a waterflood, an operator could obtain the much higher displacement efficiency of this chemical EOR process.Yu, L., Hu, X., Lin, R., The effects of environmental condition on growth of petroleum microbes by miBeckman, J.W., The action bacteria on mineral oil (1926) Ind Eng Chem, 4 (3), pp. 23-26; Yonebayashi,

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Abstract: Microorganisms inhabiting petroleum-bearing formations or introduced into subterranean environments are subject to extremes of redox potential, pH, salinity, temperature, pressure, ecological pressure, geochemistry, and energy and nutrient availability. Successful microbial EOR requires the selection, injection, dispersion, metabolism and persistence of organisms with properties that facilitate the release of residual oil and the co-injection of growth effective nutrients into the extreme environments which characterize petroleum reservoirs. Ecological strategies designed to negate previously documented problems in the application of microbial EOR have been shown to be effective in lab


A resurgence of interest in the possible applications of microbial systems to processing and production of petroleum has occurred in this decade. It actually began in the 1930's with Dr. Zo Bell' pioneering work at direct applications of microbes for oil recovery. The new approach is a more fundamental effort by microbiologists to understand the complex subsurface environment of a petroleum reservoir in relation to microbial metabolism; and engineers to understand the fundamental activities of microbes before attempting to bring the two systems together. A review of the papers presented at the 1982 Conference on Microbia Enhancement of Oil Recovery, Afton, Oklahoma, will be presented together

Correspondence AddressChen, Z.; Department of Building, Civil and Environmental Engineering, Concordia University, Montreal, QC H3G 1M8, Canada; email: [email protected], W.J.; 738 Arrow Grand Circle, Covina, CA 91722, United States; email: [email protected] Production Engineering Research Institute, Hubei Oilfield Company, Renqiu Hebei 062552, ChinaZhang, Z.; State Key Laboratory of Heavy Oil Processing, Faculty of Chemical Engineering, China University of Petroleum, Beijing 102249, China; email: [email protected], J.D.; Energy Bioscience Institute, University of California, Berkeley, CA 94720, United States; email: [email protected], H.; Faculty of Chemical Engineering, Babol Noshirvani University of Technology, Babol, Iran; email: [email protected], H.; Faculty of Chemical Engineering, Babol Noshirvani University of Technology, Babol, Iran; email: [email protected], L.R.; IBB - Institute for Biotechnology and Bioengineering, Centre of Biological Engineering, University of Minho, Braga, Portugal; email: [email protected], U.; Department of Mechanical Engineering, FEAT, Annamalai University, Annamalai Nagar, Cuddalore (dt), Tamilnadu, India; email: [email protected], C.-Y.; Research Institute of Oil Production Technology, Huabei Oilfield Company, Renqiu 062552, Hebei, China; email: [email protected], T.; Research Institute of Oil Production Technology, Shengli Oilfield Company, SINOPEC, Dongying 257000, Shandong, China; email: [email protected], S. N.; College of Science, Biology Department, Sultan Qaboos UniversityOman; email: [email protected], W.; College of Engineering, Peking University, Beijing 100871, China; email: [email protected], S.C.; DuPontCanadaWenjie, X.; Mailbox No 44, Shenliu, Langfang City, Hebei Province, China; email: [email protected] of MinhoPortugalShabani-Afrapoli, M.; NTNUNorwayWildenschild, D.; School of Chemical, Biological and Environmental Engineering, Oregon State University, 103 Gleeson Hall, Corvallis, OR 97331-2702, United States; email: [email protected]øgaard, E.G.; Section of Chemical Engineering, Aalborg University EsbjergDenmark; email: [email protected], D.-J.; Key Laboratory of Marine Reservoir Evolution, Hydrocarbon Accumulation Mechanism, Ministry of EducationChina; email: [email protected], Y.; College of Chemical Engineering, China University of Petroleum (Beijing), Beijing, ChinaYao, C.J.; China University of Petroleum (East China)ChinaWildenschild, D.; School of Chemical, Biological, and Environmental Engineering, Oregon State University, 103 Gleeson Hall, Corvallis, OR 97331-2702, United States; email: [email protected]ña, E.J.; IBB - Institute for Biotechnology and Bioengineering, Centre of Biological Engineering, University of Minho, Campus de Gualtar, 4710-057 Braga, Portugal; email: [email protected], J.; School of Mechanical Engineering, The University of Western Australia, Perth, WA 6009, Australia; email: [email protected], C.; State Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China; email: [email protected], J.; Institute of Porous Flow and Fluid Mechanics, Chinese Academy of Science, Langfang, China; email: [email protected], L.; School of Life Science and Technology, Huazhong University of Science and Technology, Wuhan 430074, China; email: [email protected], N.; 09 Biotechnology Base Classes, College of Life Science, Shandong University, Jinan, 250100, China; email: [email protected], C.NO 31, Xueyuan Road, Haidian District, Beijing, China; email: [email protected], K.; Frontier Research Center for Energy and Resources, Graduate School of Engineering, The University of Tokyo, Eng. Bldg. No. 4, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan; email: [email protected], F.; College of Chemistry and Environmental Engineering, Yangtze University, Jingzhou 434023, ChinaHuang, Y.; College of Life Sciences, Daqing Normal University, Daqing, Heilongjiang 163712, China; email: [email protected], M. S.; Norwegian University of Science and Technology, NTNU, Trondheim, Norway; email: [email protected], R.T.; Oregon State University, School of Chemical, Biological, and Environmental EngineeringUnited StatesJackson, S.C.; DuPont CanadaCanadaGao, C.H.; University of AberdeenUnited KingdomHou, Z.; Daqing Oilfield Co., Ltd.China

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Youssef, N., Elshahed, M.S., McInerney, M.J., Microbial processes in oil fields: Culprits, problems, and opportunities (2009) Adv Appl Microbiol, 66, pp. 141-251. , 19203651 1:CAS:528:DC%2BD1MXks1yns7k%3D 10.1016/S0065-2164(08)00806-X; Youssef, N., Simpson, D.R., Duncan, K.E., McInerney, M.J., Folmsbee, M., Fincher, T., Knapp, R.M., In situ biosurfactant production by Bacillus strains injected into a limestone petroleum reservoir (2007) Appl EnvLiu, S.; School of Life Sciences, Fudan University, Shanghai, China; email: [email protected], E. G.; Section for Chemical Engineering, Esbjerg Institute of Technology, Aalborg University, Niels Bohr Vej 8 6700, Denmark; email: [email protected], Z.; State Key Laboratory of Heavy Oil Processing, Faculty of Chemical Engineering, China University of Petroleum, Beijing 102249, China; email: [email protected], J.; School of Mechanical Engineering, The University of Western Australia, Crawley, WA 6009, Australia; email: [email protected], C. H.; Petroleum Engineering, UAE University, PO Box 17555, Al Ain, United Arab Emirates; email: [email protected], J.; School of Mechanical Engineering, University of Western Australia, Perth, WA 6009, AustraliaSong, H.-X.; State Key Laboratory of Continental Dynamics, Department of Geology, Northwest University, Xi'an 710069, Shaanxi, China; email: [email protected], S. M.; DTU CERE, Soltofts Plads, 229, 2800 Lyngby, Denmark; email: [email protected]

Khire, J. M.; NCIM Resource Center, Division of Biochemical Sciences, National Chemical LaboratoryNielsen, S. M.; Technical University of DenmarkDenmarkXiu, J.; Institute of Porous Flow and Fluid Mechanics, Chinese Academy of Sciences, Langfang 065007, China; email: [email protected], C.-G.; Institute of Porous Flow and Fluid Mechanics, Chinese Academy of Sciences, Langfang, Hebei 065007, China; email: [email protected] StatesPETROBRASBrazilShabani Afrapoli, M.; Norwegian University of Science and Technology, NTNUNorwayReksidler, R.; PETROBRASBrazilRoostaazad, R.; Department of Chemical and Petroleum Engineering, Sharif University of Technology, P.O. Box 11155-8639, Tehran, Iran; email: [email protected], L.R.; Mississippi State University, 449 Hardy Rd. Room 131 Etheredge Hall, P.O. Box GY, Biological Sciences, Mississippi State, MS 39762, United States; email: [email protected], A.; Department of Microbiology and Biotechnology Centre, Faculty of Science, Maharaja Sayajirao University of Baroda, Vadodara-390 002, Gujarat, India; email: [email protected], W.-X.; No. 1 Production Plant, Changqing Oilfield Company, Yan'an 716000, Shaanxi, China; email: [email protected], A. Y.; OGRINDO-Institut Teknologi BandungIndonesiaAl-Wahaibi, Y.; Petroleum and Chemical Engineering Department, College of Engineering, Sultan Qaboos University, P.O. Box 33, Al-Khod 123, Oman; email: [email protected], Z.-Z.; Faculty of Chemical Science and Engineering, China University of Petroleum, Beijing 102249, China; email: [email protected], Z.-Z.; Faculty of Chemical Science and Engineering, China University of Petroleum, Beijing 102249, China; email: [email protected], P.; College of Life Science and Technology, Beijing University of Chemical Technology, Beijing 100029, China; email: [email protected], H.; Biotechnology Group, Faculty of New Science and Technology, University of Isfahan, P.O. Box 8174673441, Isfahan, Iran; email: [email protected], D.-Q.; College of Petroleum Engineering in China University of Petroleum, Dongying 257061, ChinaLei, G.-L.; College of Petroleum Engineering in China University of Petroleum, Dongying 257061, ChinaOldenburg, T. B. P.; Petroleum Reservoir Group, Department of Geoscience, University of Calgary, 2500 University Drive NW, Calgary, AB T2N 1N4, Canada; email: [email protected], D. K.; Environmental Biotechnology Laboratory, Centre for Energy Studies, Indian Institute of Technology, Delhi, New Delhi 110016, India; email: [email protected], J.-Y.; College of Petroleum Engineering, China University of Petroleum, Dongying, Shangdong 257061, China; email: [email protected], M. A.; University of Engineering and Technology LahorePakistanGray, M. R.; University of AlbertaCanadaRujiravanit, R.; The Petroleum and Petrochemical College, Chulalongkorn University, Bangkok, 10330, Thailand; email: [email protected], A.; Department of Microbiology, Biotechnology Centre, Faculty of Science, Vadodara, 390 002 Gujarat, India; email: [email protected] Assadi, M.; Environmental Biotechnology Group, Department of Biotechnology, Iranian Research Organization for Science and Technology, Tehran, Iran; email: [email protected], T.; Tianjin Key Laboratory of Microbial Functional Genomics, College of Life Sciences, Nankai University, 94, Weijin Road, Tianjin 300071, China; email: [email protected], B.K.; Department of Molecular Biology and Biotechnology, Tezpur University, Napaam, Tezpur, 784028 Assam, India; email: [email protected], S. R. B.; Department of Pharmaceutical Chemistry, Dayananda Sagar College of Pharmacy Kumaraswamy Layout, Bangalore-560 078, India; email: [email protected], D.; Daqing Petroleum Institute, Daqing 163318, China; email: [email protected], Q.; Division of Chemistry and Chemical Engineering, California Institute of Technology, 738 Arrow Granc Circle, Covina, CA 91722, United States; email: [email protected], S.; University of Engineering and TechnologyPakistanWang, Q.; Division of Chemistry and Chemical Engineering, California Institute of Technology, 738 Arrow Granc Circle, Covina, CA 91722, United States; email: [email protected], I.G.; Environmental Forensics Journal, 90490 Friars Rd., San Diego, CA 92108, United States; email: [email protected], S.S.; School of Chemical and Petroleum Engineering, Shiraz University, Shiraz, Iran; email: [email protected], S.; U. of Engineering and Technology, Lahore, PakistanMaudgalya, S.; SPE, Anadarko Petroleum Corp.United StatesFang, X.; SPE, P.O. Box 833836, Richardson, TX 75083-3836, United StatesFang, X.; SPEGhadimi Gheshlaghi, M.R.; Natl. Iranian Oil Co.IranKong, X.-P.; Key Laboratory of Education Minister for Ocean Chemistry and Chemical Engineering, Ocean University of China, Qingdao 266100, ChinaMokhatab, S.; University of WyomingUnited StatesLi, K.; Southwest Petroleum University, Chengdu 610500, ChinaKey Laboratory of Exploration Technologies for Oil and Gas Resources, Ministry of Education, Yangtze UniversityChinaScopa, A.; Dipartimento di Scienze dei Sistemi Colturali, Forestali e dell'Ambiente, Università Della Basilicata, Viale dell'Ateneo Lucano 10, 85100 Potenza, Italy; email: [email protected], E.; Statoil ASA, Trondheim, Norway; email: [email protected]

StatoilASANorwayKowalewski, E.; Statoil ASANorwayMaudgalya, S.; SPEBozhong, M.; Department of Chemistry, East China University of Science and Technology, Shanghai 200237, China; email: [email protected] sourceChinese sourceLucassen-Reynders, E.H., (1981) Physical Chemistry of Surfactant ActioFujiwara, K.; Chugai Technos Co. Ltd., 9-20 Yokogawa-Shinmachi, Nisi-ku Hiroshima City 733-0013, Japan

Xiang, T.-S.; Huazhong Agricultural University, Wuhan 430070, China; email: [email protected], G.-C.; Inst. of Porous Flow and Fluid Mech., Chinese Acad. of Sci., Langfang 065007, China; email: [email protected], S.; SPE, P.O. Box 833836, Richardson, TX 75083-3836, United StatesCampbell, C.D.; Macaulay Institute, Craigiebuckler, Aberdeen AB15 8QH, United Kingdom; email: [email protected]ǧlu, M.T.; Petroleum and Natural Gas Eng. Dept., Middle East Technical University, Inönü Bulvari Ankara 06531, Turkey; email: [email protected], M.A.; Chemistry Department, UAE University, P.O. Box 17551, Al-Ain, United Arab Emirates; email: [email protected], J.-J.; Res. Inst. of Petrol. Explor./Devmt., Jilin Oilfield Branch, PetroChina, Songyuan, Jilin 138001, ChinaChinese sourceEgil, S., Introduction of Air Into Injection Water, , World intellectual property organSayyouh, M.H.; Cairo University, Cairo, Egypt

Delshad, M.; Ctr. for Petrol./Geosystems Eng., University of Texas at Austin, Austin, TX, United StatesBryant, S.L.; Dept. of Petroleum/Geosystems Eng., The U. of Texas, Austin, United States; email: [email protected], W.-D.; Research Institute of Oil Production Technology, Shengli Oilfield Company, Sinopec, Dongying, Shandong 257000, ChinaLi, Q.; State Key Lab. of Microbial Technol., Shandong University, Jinan 250100, China; email: [email protected], Y.; Life College, Nanki University, Tianjin 300071, China

During the Permian Basin Section's October 2001 meeting, speaker Steven Bryant addressed the topic "Microbial EOR (MEOR) - A sober look at an infectious idea". According to Bryant, MEOR is an intriguing technology capable of functioning as a self-perpetuating and self-guiding recovery process. The process involves the injection of microbes with nutrients into the injection well, shutting the well in for a period of time to allow the microbes to propagate, then resuming injection with water and possibly more nutrients. Once injected, these microbes, which can thrive under downhole conditions, become numerous tiny "downhole chemical factories" (DCF) that produce various chemicals, e.g., biosurfactants and biopolymers, which can help unlock trapped oil reserves. An MEOR flood is a chemical EOR flood produced in situ by these DCF. For the price of a waterflood, an operator could obtain the much higher displacement efficiency of this chemical EOR process.Li, Q.-Z.; College of Chemical Engineering, Petroleum University, Changping, Beijing 102200, ChinaZhang, Z.-Z.; College of Chemical Engng, University of Petroleum, Changping, Beijing 102200, China

Feng, Q.-X.; Pet. Explor./Devmt. Tech. Res. Ctr., Dagang Oilfield Company, PetroChina, Dagang, Tianjin 300280, China

Zekri, A.Y.; United Arab Emirates University, Al Ain, United Arab Emirates; email: [email protected], S.L.; U. of Texas, Austin, TX, United States

Microbial enhanced oil recovery (MEOR) recovers less of the remaining oil in place than other chemical EOR processes. Efforts to elucidate this difference are limited by the lack of quantitative measures of microbial performance. Thus, a study was carried out that adopted a reservoir-engineering perspective, focusing on issues such as process design, scaling up laboratory results, and field implementation and operation. The use of microbes introduced reaction engineering into reservoir engineering, with related concepts including nutrient-reaction kinetics and selectivity, bioreactor volume, and minimum required level of conversion. These concepts allowed quantitative relationships between reservoir properties, operating conditions, and microbial performance. Analysis with plausible values of reservoir and microbial parameters indicated that an MEOR process using in-situ carbon must overcome severe performance constraints. The use of an ex-situ carbon source circumvented or relaxed some of the technical constraints, but the logistical and cost advantages of an in-situ source were lost. Microbial gas production contributed to oil recovery. Analysis revealed that it was unlikely that gases, e.g., CH4 and CO2 could be produced in situ in quantities required for effective oil displacement. InWang, Z.-Y.; Xianhe Production Plant, Shengli Petroleum Adiministration Bureau, Dongying, Shandong 257068, ChinaBryant, Steven L.; Univ of Texas at Austin, Austin, United States

Rouse, B., Hiebert, F., Lake, L.W., Laboratory Testing of a Microbial Enhanced Oil Recovery Process Undes Anaerobic Conditions (1992) Oct 1992, 67th Annual Technical Conference and Exhibition of the SPE, , Washington, DC; Almalik, M.S., Desouky, S.E.M., (1996) Saudis Study Native Bacteria for MEOR, , Jun, Petroleum Engineer International; Abdel-waly, A.A., Laboratory Study on Activating Indigenous Microorganisms to Enhance Oil Recovery (1999) JCPT, , Feb; He, Z., MEOR Pilot Sees EncouragBryant, S.L.; University of Texas at Austin, Austin, TX, United StatesFujiwara, K.; Lifescience Lab., Kansai Research Institute, 17 Chudoji Minami-machi, Shimogyo-ku, Kyoto 600-8813, JapanYonebayashi, H.; Japan National Oil Corp., Fukoku Seimei Building, 2-2 Uchisaiwaicho 2-chome, Chiyoda-ku, Tokyo 100-8511, JapanZekri, A.Y.; United Arabs Emirates University, Al-Ain, United Arab EmiratesFujiwara, K.; Lifescience Research Center, Kansai Research Institute, 17 Chudoji Minami-machi, Shimogyo-ku, Kyoto 600-8813, JapanEnomoto, H.; Dept. of Geoscience and Technology, Graduate School of Engineering, Tohoku University, Aramaki, Aoba-ku, Sendai 980-8579, JapanMaure, M.A.; SPE, P.O. Box 833836, Richardson, TX 75083-3836, United StatesFujiwara, K.; Lifescience Lab., Kansai Research Institute, 17 Chudoji Minami-machi, Shimogyo-ku, Kyoto 600-8813, JapanEvans, D.B.; BDM Petroleum TechnologiesYonebayashi, H.; Japan Natl Oil CorpJapanYue, J.-J.; EOR Department, Res. Inst. of Explor. and Devmt., Daqing Petroleum Administration, Daqing, Helongjiang 16 37 12, ChinaDesouky, S.M.; King Saud University, College of Engineering, P.O. Box 800, Riyadh 11421, Saudi Arabia

Bryant, Rebecca S.; BDM-Oklahoma, IncUnited StatesBanat, I.M.; Department of Biology, United Arab Emirates University, PO Box 1 7551, Al-Ain, Abu-Dhabi, United Arab EmiratesPortwood, J.T.; Alpha Environmental Midcontinent, IncSitnikov, A.A.; Russian Acad of SciencesHitzman, D.O.; Geo-Microbial Technologies IncMaharaj, U.; aTrinidad and Tobago Oil Company Limited (TRINTOC), Pointe-A-Pierre, Trinidad and TobagoNelson, L.; Micro-Bac International, Inc., 9607 Gray Blvd, Austin, TX 78758, United StatesPremuzic, Eugene T.; Brookhaven Natl Lab, Upton, United StatesRouse, Bruce; U. of TexasUnited StatesMatz, A.A.; VNIISunde, Egil; Statoil A/S

Lichaa, A.; Alpha Environmental Inc., P.O. Box 90218, Austin, TX 78709, United StatesHitzman, D.O.; INJECTECH, Inc., P. O. Box 360, East Main Street, Ochelata, OK 74051, United StatesPremuzic, E.T.; Biosystems and Process Sciences Division, Department of Applied Science, Brookhaven National Laboratory, Upton, NY 11973, United StatesPelger, J.W.; Bio Tech, Inc., 1235 Sovereign Row, Oklahoma City, OK 73108, United StatesWagner, M.; Kombinat Erdol-Erdgas, Gommern, GermanySheehy, A.J.; CSIRO Microbiology Research Unit, Applied Science, University of Canberra, P.O. Box 1, Belconnen, ACT 2616, AustraliaJack, T.R.; Nova Husky Research Corporation, Calgary, Alta., CanadaKnapp, R.M.; Univ of Oklahoma, Norman, United StatesPremuzic, E.T.; Brookhaven Natl LabUnited StatesChisholm, J.L.; Univ of OklahomaIslam, M.R.; Univ of Alaska-Fairbanks, Fairbanks, United StatesBryant, R.S.; Soc of Petroleum Engineers

Knapp, R.M.; School of Petroleum and Geological Engineering, University of Oklahoma, 100 East Boyd, Suite F304, Norman, 73019, OK, United StatesBryant, Rebecca S.; Natl Inst for Petroleum & Energy, Research

This report summarizes the need for, the potential of, and the research still required for microbial enhanced oil recovery (MEOR). Enhanced oil recovery processes are those which recover oil unrecoverable by primary or secondary methods. To date, only chemical flooding, miscible flooding and thermal recovery have been considered as economical recovery techniques. Last year the DOE sponsored international MEOR workshop concluded that MEOR has merit as a cost effective method for recovering residual oil. However, there has been no reliable and documented assessment of the technical and economic aspects of MEOR as compared to other EOR techniques. A review of the literature and the conclusions of the MEOR workshop have been summarized to determine the state of the art of MEOR technology, its advantages and limitations and future.Bryant, R.S.; IITRI/NIPER, IITRI/NIPERAnderson, D.L.; Montana Coll of Mineral Sciences, & Technology, MT, USA, Montana Coll of Mineral Sciences & Technology, MT, USAZajic, J.E.; Univ of Texas at El Paso, TX, USA, Univ of Texas at El Paso, TX, USAKnabe, Steven P.; Pennzoil Co, Houston, TX, USA, Pennzoil Co, Houston, TX, USAJenneman, Gary E.Jang, Long-Kuan

Donaldson, E.C.; U. S. Department of Energy, Bartlesville, OK 74003, United StatesCrawford, Paul B.; Texas A&M Univ, Petroleum, Research Committee, College Station,, TX, USA, Texas A&M Univ, Petroleum Research Committee, College Station, TX, USALazar, I.; Inst of Biological Sciences, Bucharest, Rom, Inst of Biological Sciences, Bucharest, RomFinnerty, W.R.

Moses, V.; Queen Mary Coll, Dep of Plant, Biology & Microbiology, London,, Engl, Queen Mary Coll, Dep of Plant Biology & Microbiology, London, EnglDonaldson, E.C.McInerney, M.J.La Rivière, J.W.M.; Laboratory of Microbiology, Technological University, Delft, Netherlands

EditorsChen, Z.; Department of Building, Civil and Environmental Engineering, Concordia University, Montreal, QC H3G 1M8, Canada; email: [email protected]

Petroleum Production Engineering Research Institute, Hubei Oilfield Company, Renqiu Hebei 062552, ChinaZhang, Z.; State Key Laboratory of Heavy Oil Processing, Faculty of Chemical Engineering, China University of Petroleum, Beijing 102249, China; email: [email protected], J.D.; Energy Bioscience Institute, University of California, Berkeley, CA 94720, United States; email: [email protected], H.; Faculty of Chemical Engineering, Babol Noshirvani University of Technology, Babol, Iran; email: [email protected], H.; Faculty of Chemical Engineering, Babol Noshirvani University of Technology, Babol, Iran; email: [email protected], L.R.; IBB - Institute for Biotechnology and Bioengineering, Centre of Biological Engineering, University of Minho, Braga, Portugal; email: [email protected], U.; Department of Mechanical Engineering, FEAT, Annamalai University, Annamalai Nagar, Cuddalore (dt), Tamilnadu, India; email: [email protected], C.-Y.; Research Institute of Oil Production Technology, Huabei Oilfield Company, Renqiu 062552, Hebei, China; email: [email protected], T.; Research Institute of Oil Production Technology, Shengli Oilfield Company, SINOPEC, Dongying 257000, Shandong, China; email: [email protected], S. N.; College of Science, Biology Department, Sultan Qaboos UniversityOman; email: [email protected], W.; College of Engineering, Peking University, Beijing 100871, China; email: [email protected]

Wenjie, X.; Mailbox No 44, Shenliu, Langfang City, Hebei Province, China; email: [email protected]

Wildenschild, D.; School of Chemical, Biological and Environmental Engineering, Oregon State University, 103 Gleeson Hall, Corvallis, OR 97331-2702, United States; email: [email protected]øgaard, E.G.; Section of Chemical Engineering, Aalborg University EsbjergDenmark; email: [email protected], D.-J.; Key Laboratory of Marine Reservoir Evolution, Hydrocarbon Accumulation Mechanism, Ministry of EducationChina; email: [email protected]

Wildenschild, D.; School of Chemical, Biological, and Environmental Engineering, Oregon State University, 103 Gleeson Hall, Corvallis, OR 97331-2702, United States; email: [email protected]ña, E.J.; IBB - Institute for Biotechnology and Bioengineering, Centre of Biological Engineering, University of Minho, Campus de Gualtar, 4710-057 Braga, Portugal; email: [email protected], J.; School of Mechanical Engineering, The University of Western Australia, Perth, WA 6009, Australia; email: [email protected], C.; State Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China; email: [email protected], J.; Institute of Porous Flow and Fluid Mechanics, Chinese Academy of Science, Langfang, China; email: [email protected], L.; School of Life Science and Technology, Huazhong University of Science and Technology, Wuhan 430074, China; email: [email protected], N.; 09 Biotechnology Base Classes, College of Life Science, Shandong University, Jinan, 250100, China; email: [email protected]

Sato, K.; Frontier Research Center for Energy and Resources, Graduate School of Engineering, The University of Tokyo, Eng. Bldg. No. 4, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan; email: [email protected], F.; College of Chemistry and Environmental Engineering, Yangtze University, Jingzhou 434023, ChinaHuang, Y.; College of Life Sciences, Daqing Normal University, Daqing, Heilongjiang 163712, China; email: [email protected], M. S.; Norwegian University of Science and Technology, NTNU, Trondheim, Norway; email: [email protected], R.T.; Oregon State University, School of Chemical, Biological, and Environmental EngineeringUnited States

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Sogaard, E. G.; Section for Chemical Engineering, Esbjerg Institute of Technology, Aalborg University, Niels Bohr Vej 8 6700, Denmark; email: [email protected], Z.; State Key Laboratory of Heavy Oil Processing, Faculty of Chemical Engineering, China University of Petroleum, Beijing 102249, China; email: [email protected], J.; School of Mechanical Engineering, The University of Western Australia, Crawley, WA 6009, Australia; email: [email protected], C. H.; Petroleum Engineering, UAE University, PO Box 17555, Al Ain, United Arab Emirates; email: [email protected]

Song, H.-X.; State Key Laboratory of Continental Dynamics, Department of Geology, Northwest University, Xi'an 710069, Shaanxi, China; email: [email protected]

Sen R.

Xiu, J.; Institute of Porous Flow and Fluid Mechanics, Chinese Academy of Sciences, Langfang 065007, China; email: [email protected], C.-G.; Institute of Porous Flow and Fluid Mechanics, Chinese Academy of Sciences, Langfang, Hebei 065007, China; email: [email protected]

Roostaazad, R.; Department of Chemical and Petroleum Engineering, Sharif University of Technology, P.O. Box 11155-8639, Tehran, Iran; email: [email protected], L.R.; Mississippi State University, 449 Hardy Rd. Room 131 Etheredge Hall, P.O. Box GY, Biological Sciences, Mississippi State, MS 39762, United States; email: [email protected], A.; Department of Microbiology and Biotechnology Centre, Faculty of Science, Maharaja Sayajirao University of Baroda, Vadodara-390 002, Gujarat, India; email: [email protected], W.-X.; No. 1 Production Plant, Changqing Oilfield Company, Yan'an 716000, Shaanxi, China; email: [email protected]

Al-Wahaibi, Y.; Petroleum and Chemical Engineering Department, College of Engineering, Sultan Qaboos University, P.O. Box 33, Al-Khod 123, Oman; email: [email protected], Z.-Z.; Faculty of Chemical Science and Engineering, China University of Petroleum, Beijing 102249, China; email: [email protected], Z.-Z.; Faculty of Chemical Science and Engineering, China University of Petroleum, Beijing 102249, China; email: [email protected], P.; College of Life Science and Technology, Beijing University of Chemical Technology, Beijing 100029, China; email: [email protected], H.; Biotechnology Group, Faculty of New Science and Technology, University of Isfahan, P.O. Box 8174673441, Isfahan, Iran; email: [email protected], D.-Q.; College of Petroleum Engineering in China University of Petroleum, Dongying 257061, ChinaLei, G.-L.; College of Petroleum Engineering in China University of Petroleum, Dongying 257061, ChinaOldenburg, T. B. P.; Petroleum Reservoir Group, Department of Geoscience, University of Calgary, 2500 University Drive NW, Calgary, AB T2N 1N4, Canada; email: [email protected], D. K.; Environmental Biotechnology Laboratory, Centre for Energy Studies, Indian Institute of Technology, Delhi, New Delhi 110016, India; email: [email protected], J.-Y.; College of Petroleum Engineering, China University of Petroleum, Dongying, Shangdong 257061, China; email: [email protected]

Rujiravanit, R.; The Petroleum and Petrochemical College, Chulalongkorn University, Bangkok, 10330, Thailand; email: [email protected], A.; Department of Microbiology, Biotechnology Centre, Faculty of Science, Vadodara, 390 002 Gujarat, India; email: [email protected] Assadi, M.; Environmental Biotechnology Group, Department of Biotechnology, Iranian Research Organization for Science and Technology, Tehran, Iran; email: [email protected], T.; Tianjin Key Laboratory of Microbial Functional Genomics, College of Life Sciences, Nankai University, 94, Weijin Road, Tianjin 300071, China; email: [email protected], B.K.; Department of Molecular Biology and Biotechnology, Tezpur University, Napaam, Tezpur, 784028 Assam, India; email: [email protected], S. R. B.; Department of Pharmaceutical Chemistry, Dayananda Sagar College of Pharmacy Kumaraswamy Layout, Bangalore-560 078, India; email: [email protected]

Wang, Q.; Division of Chemistry and Chemical Engineering, California Institute of Technology, 738 Arrow Granc Circle, Covina, CA 91722, United States; email: [email protected]

Wang, Q.; Division of Chemistry and Chemical Engineering, California Institute of Technology, 738 Arrow Granc Circle, Covina, CA 91722, United States; email: [email protected], I.G.; Environmental Forensics Journal, 90490 Friars Rd., San Diego, CA 92108, United States; email: [email protected], S.S.; School of Chemical and Petroleum Engineering, Shiraz University, Shiraz, Iran; email: [email protected]

Kong, X.-P.; Key Laboratory of Education Minister for Ocean Chemistry and Chemical Engineering, Ocean University of China, Qingdao 266100, China

Key Laboratory of Exploration Technologies for Oil and Gas Resources, Ministry of Education, Yangtze UniversityChinaScopa, A.; Dipartimento di Scienze dei Sistemi Colturali, Forestali e dell'Ambiente, Università Della Basilicata, Viale dell'Ateneo Lucano 10, 85100 Potenza, Italy; email: [email protected]

Bozhong, M.; Department of Chemistry, East China University of Science and Technology, Shanghai 200237, China; email: [email protected], B.-Z.; 3rd Company of Downhole Services, Shengli Oilfield Company, Sinopec, Dongying, Shandong 257237, China

Fujiwara, K.; Chugai Technos Co. Ltd., 9-20 Yokogawa-Shinmachi, Nisi-ku Hiroshima City 733-0013, Japan

Xiang, T.-S.; Huazhong Agricultural University, Wuhan 430070, China; email: [email protected], G.-C.; Inst. of Porous Flow and Fluid Mech., Chinese Acad. of Sci., Langfang 065007, China; email: [email protected]

Campbell, C.D.; Macaulay Institute, Craigiebuckler, Aberdeen AB15 8QH, United Kingdom; email: [email protected]ǧlu, M.T.; Petroleum and Natural Gas Eng. Dept., Middle East Technical University, Inönü Bulvari Ankara 06531, Turkey; email: [email protected], M.A.; Chemistry Department, UAE University, P.O. Box 17551, Al-Ain, United Arab Emirates; email: [email protected], J.-J.; Res. Inst. of Petrol. Explor./Devmt., Jilin Oilfield Branch, PetroChina, Songyuan, Jilin 138001, China

Bao, M.-T.; Coll. of Chem./Chemical Engineering, China Ocean University, Qingdao, Shandong 266003, China; email: [email protected]

Delshad, M.; Ctr. for Petrol./Geosystems Eng., University of Texas at Austin, Austin, TX, United StatesBryant, S.L.; Dept. of Petroleum/Geosystems Eng., The U. of Texas, Austin, United States; email: [email protected], W.-D.; Research Institute of Oil Production Technology, Shengli Oilfield Company, Sinopec, Dongying, Shandong 257000, ChinaLi, Q.; State Key Lab. of Microbial Technol., Shandong University, Jinan 250100, China; email: [email protected]


Feng, Q.-X.; Pet. Explor./Devmt. Tech. Res. Ctr., Dagang Oilfield Company, PetroChina, Dagang, Tianjin 300280, China

Zekri, A.Y.; United Arab Emirates University, Al Ain, United Arab Emirates; email: [email protected]

Microbial enhanced oil recovery (MEOR) recovers less of the remaining oil in place than other chemical EOR processes. Efforts to elucidate this difference are limited by the lack of quantitative measures of microbial performance. Thus, a study was carried out that adopted a reservoir-engineering perspective, focusing on issues such as process design, scaling up laboratory results, and field implementation and operation. The use of microbes introduced reaction engineering into reservoir engineering, with related concepts including nutrient-reaction kinetics and selectivity, bioreactor volume, and minimum required level of conversion. These concepts allowed quantitative relationships between reservoir properties, operating conditions, and microbial performance. Analysis with plausible values of reservoir and microbial parameters indicated that an MEOR process using in-situ carbon must overcome severe performance constraints. The use of an ex-situ carbon source circumvented or relaxed some of the technical constraints, but the logistical and cost advantages of an in-situ source were lost. Microbial gas production contributed to oil recovery. Analysis revealed that it was unlikely that gases, e.g., CH4 and CO2 could be produced in situ in quantities required for effective oil displacement. InWang, Z.-Y.; Xianhe Production Plant, Shengli Petroleum Adiministration Bureau, Dongying, Shandong 257068, China

Rouse, B., Hiebert, F., Lake, L.W., Laboratory Testing of a Microbial Enhanced Oil Recovery Process Undes Anaerobic Conditions (1992) Oct 1992, 67th Annual Technical Conference and Exhibition of the SPE, , Washington, DC; Almalik, M.S., Desouky, S.E.M., (1996) Saudis Study Native Bacteria for MEOR, , Jun, Petroleum Engineer International; Abdel-waly, A.A., Laboratory Study on Activating Indigenous Microorganisms to Enhance Oil Recovery (1999) JCPT, , Feb; He, Z., MEOR Pilot Sees Encourag

Fujiwara, K.; Lifescience Lab., Kansai Research Institute, 17 Chudoji Minami-machi, Shimogyo-ku, Kyoto 600-8813, JapanYonebayashi, H.; Japan National Oil Corp., Fukoku Seimei Building, 2-2 Uchisaiwaicho 2-chome, Chiyoda-ku, Tokyo 100-8511, Japan

Mohamed A.M.O.Hosani K.I.Fujiwara, K.; Lifescience Research Center, Kansai Research Institute, 17 Chudoji Minami-machi, Shimogyo-ku, Kyoto 600-8813, JapanEnomoto, H.; Dept. of Geoscience and Technology, Graduate School of Engineering, Tohoku University, Aramaki, Aoba-ku, Sendai 980-8579, Japan

Fujiwara, K.; Lifescience Lab., Kansai Research Institute, 17 Chudoji Minami-machi, Shimogyo-ku, Kyoto 600-8813, JapanAnonAnon

Yue, J.-J.; EOR Department, Res. Inst. of Explor. and Devmt., Daqing Petroleum Administration, Daqing, Helongjiang 16 37 12, ChinaDesouky, S.M.; King Saud University, College of Engineering, P.O. Box 800, Riyadh 11421, Saudi Arabia

Banat, I.M.; Department of Biology, United Arab Emirates University, PO Box 1 7551, Al-Ain, Abu-Dhabi, United Arab Emirates

Maharaj, U.; aTrinidad and Tobago Oil Company Limited (TRINTOC), Pointe-A-Pierre, Trinidad and Tobago

Premuzic, E.T.; Biosystems and Process Sciences Division, Department of Applied Science, Brookhaven National Laboratory, Upton, NY 11973, United States

Sheehy, A.J.; CSIRO Microbiology Research Unit, Applied Science, University of Canberra, P.O. Box 1, Belconnen, ACT 2616, Australia

AnonAnonAnon

Knapp, R.M.; School of Petroleum and Geological Engineering, University of Oklahoma, 100 East Boyd, Suite F304, Norman, 73019, OK, United States


Anderson, D.L.; Montana Coll of Mineral Sciences, & Technology, MT, USA, Montana Coll of Mineral Sciences & Technology, MT, USA

Crawford, Paul B.; Texas A&M Univ, Petroleum, Research Committee, College Station,, TX, USA, Texas A&M Univ, Petroleum Research Committee, College Station, TX, USA

Hill Richard F.

Moses, V.; Queen Mary Coll, Dep of Plant, Biology & Microbiology, London,, Engl, Queen Mary Coll, Dep of Plant Biology & Microbiology, London, Engl

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Int. Assoc. Comput. Sci. Inf. Technol. (IACSIT)Intelligent Inf. Technol. Appl. Res. Assoc.

Sato, K.; Frontier Research Center for Energy and Resources, Graduate School of Engineering, The University of Tokyo, Eng. Bldg. No. 4, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan; email: [email protected] Inf. Technol. Appl. Res. Assoc.

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American Association of Petroleum Geologists, AAPG;European Association of Geoscientists and Engineers, EAGE;Society of Exploration Geophysicists, SEG;Society of Petroleum Engineers, SPE

Wu, B.-Z.; 3rd Company of Downhole Services, Shengli Oilfield Company, Sinopec, Dongying, Shandong 257237, China

Society of Petroleum Engineers, SPE

Bao, M.-T.; Coll. of Chem./Chemical Engineering, China Ocean University, Qingdao, Shandong 266003, China; email: [email protected]



Rouse, B., Hiebert, F., Lake, L.W., Laboratory Testing of a Microbial Enhanced Oil Recovery Process Undes Anaerobic Conditions (1992) Oct 1992, 67th Annual Technical Conference and Exhibition of the SPE, , Washington, DC; Almalik, M.S., Desouky, S.E.M., (1996) Saudis Study Native Bacteria for MEOR, , Jun, Petroleum Engineer International; Abdel-waly, A.A., Laboratory Study on Activating Indigenous Microorganisms to Enhance Oil Recovery (1999) JCPT, , Feb; He, Z., MEOR Pilot Sees Encourag

SPE;U.S. Department of Energy

SPESPE

Soc of Petroleum Engineers of AIME, Richardson, TX, USASoc of Petroleum Engineers, Billings Petroleum Section, Billings,SAE, Warrendale, PA, USA;ACS, Washington, DC, USA;AIAA, New York, NY, USA;ASME, New York, NY, USA;IEEE, New York, NY, USA;et al

Soc of Petroleum Engineers of AIME, Los Angeles Basin Section, Lo

Engineering Foundation, New York, NY, USA;Univ of Oklahoma, Norman, OK, USA;DOE, Bartlesville EneEngineering Foundation, New York, NY, USA;Univ of Oklahoma, Norman, OK, USA;DOE, Bartlesville Ene

Engineering Foundation, New York, NY, USA;Univ of Oklahoma, Norman, OK, USA;DOE, Bartlesville EneEngineering Foundation, New York, NY, USA;Univ of Oklahoma, Norman, OK, USA;DOE, Bartlesville EneACS, Div of Petroleum Chemistry, Washington, DC, USAACS, Div of Petroleum Chemistry, Washington, DC, USA

Publisher

American Association of Petroleum Geologists (AAPG);European Association of Geoscientists and Engineers (EAGE);Society of Exploration Geophysicists (SEG);Society of Petroleum Engineers (


American Association of Petroleum Geologists, AAPG;European Association of Geoscientists and Engineers, EAGE;Society of Exploration Geophysicists, SEG;Society of Petroleum Engineers, SPE


Soc Pet Eng (SPE), Richardson, TX, United StatesRouse, B., Hiebert, F., Lake, L.W., Laboratory Testing of a Microbial Enhanced Oil Recovery Process Undes Anaerobic Conditions (1992) Oct 1992, 67th Annual Technical Conference and Exhibition of the SPE, , Washington, DC; Almalik, M.S., Desouky, S.E.M., (1996) Saudis Study Native Bacteria for MEOR, , Jun, Petroleum Engineer International; Abdel-waly, A.A., Laboratory Study on Activating Indigenous Microorganisms to Enhance Oil Recovery (1999) JCPT, , Feb; He, Z., MEOR Pilot Sees Encourag

Soc Pet Eng (SPE), Richardson, TX, United States

Society of Petroleum Engineers (SPE), Richardson, TX, United States

Society of Petroleum Engineers (SPE), Richardson, TX, United StatesSociety of Petroleum Engineers (SPE), Richardson, TX, United StatesPubl by Society of Petroleum Engineers (SPE), Richardson, TX, United States

Publ by ACS, Washington, DC, United StatesPubl by Soc of Petroleum Engineers of AIME, Richardson, TX, United StatesPubl by Society of Petroleum Engineers (SPE), Richardson, TX, United StatesPubl by Society of Petroleum Engineers (SPE), Richardson, TX, United States

Elsevier; Developments in Petroleum Science, 31

Publ by Soc of Petroleum Engineers of AIME, Richardson, TX, United StatesPubl by Soc of Petroleum Engineers of AIME, Richardson, TX, United StatesPubl by Soc of Petroleum Engineers of AIME, Richardson, TX, United StatesPubl by Soc of Petroleum Engineers of AIME, Richardson, TX, United States

Springer-Verlag

Hardin-Simmons UnivSoc of Petroleum Engineers of AIME, USA SPE 16284, Richardson, TX, USASoc of Petroleum Engineers, USA SPE 15155, Richardson, TX, USA

SAE, Warrendale, PA, USA;ACS, Washington, DC, USA;AIAA, New York, NY, USA;ASME, New York, NY, USA;IEEE, New York, NY, USA;et al

Soc of Petroleum Engineers of AIME, USA SPE12770, Dallas, Tex, USA

DOE, Bartlesville Energy Technology Cent (CONF-8205140), Bartlesville, OK, USADOE, Bartlesville Energy Technology Cent (CONF-8205140), Bartlesville, OK, USAGovernment Inst Inc, Rockville, Md, USADOE, Bartlesville Energy Technology Cent (CONF-8205140), Bartlesville, OK, USADOE, Bartlesville Energy Technology Cent (CONF-8205140), Bartlesville, OK, USAACS, Washington, DC, USAACS, Washington, DC, USAKluwer Academic Publishers

Conference name

2013 2nd International Conference on Energy and Environmental Protection, ICEEP 2013

SPE Annual Technical Conference and Exhibition 2012: Unconventional Wisdom, ATCE 2012

Abu Dhabi International Petroleum Exhibition and Conference 2012 - Sustainable Energy Growth: PeoSPE EOR Conference at Oil and Gas West Asia 2012 - EOR: Building Towards Sustainable Growth, O

International Conference on Communication Systems and Network Technologies, CSNT 2012International Petroleum Technology Conference 2012, IPTC 2012

2nd International Conference on Mechanical and Aerospace Engineering, ICMAE 20112011 International Conference on Future Materials Engineering and Industry Application, ICFMEIA 22011 International Conference on Smart Materials and Nanotechnology in Engineering, SMNE 2011

2011 International Conference on Future Materials Engineering and Industry Application, ICFMEIA 22011 International Conference on Energy, Environment and Sustainable Development, ICEESD 2011

SPE Annual Technical Conference and Exhibition 2011, ATCE 2011SPE Annual Technical Conference and Exhibition 2011, ATCE 2011SPE Enhanced Oil Recovery Conference 2011 - From Science to Success: MoreSPE Enhanced Oil Recovery Conference 2011 - From Science to Success: More

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10.1016/j.petrol.2012.06.031 English10.3303/CET1227017 English10.1007/s00253-011-3717-1 22159733 English10.1109/CSNT.2012.68 English

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Abbreviated Source TitleEnergy Sources Recovery Util. Environ. Eff.Petrol Sci TechnolAdv. Mater. Res.Bioresour. Technol.Environ. Sci. Technol.Appl. Biochem. Biotechnol.Petrol Sci TechnolFuelInt. J. ChemTech Res.Xi'an Shiyou Daxue Xuebao (Ziran Kexue Ban)Chin. J. App. Eviron. Biol.J. Microbiol. Biotechnol.Open Pet. Eng. J.Proc SPE Annu Tech Conf ExhibAnn. Microbiol.Soc. Pet. Eng. - Abu Dhabi Int. Pet. Exhib. Conf., ADIPEC - Sustainable Energy Growth: People, ResponsSoc. Pet. Eng. - SPE EOR Conf. Oil Gas West Asia, OGWA - EOR: Build. Towards Sustainable GrowthJ. Pet. Sci. Eng.Chem. Eng. Trans.Appl. Microbiol. Biotechnol.Proc. - Int. Conf. Commun. Syst. Netw. Technol., CSNTSoc. Pet. Eng. - Int. Pet. Technol. Conf., IPTCTransp. Porous MediaInt. Biodeterior. Biodegrad.Transp. Porous MediaProcess Biochem.Appl. Mech. Mater.Adv. Mater. Res.Adv. Mater. Res.J. Pet. Sci. Eng.J. Biosci. Bioeng.Adv. Mater. Res.Adv. Mater. Res.Transp. Porous MediaProc SPE Annu Tech Conf ExhibProc SPE Annu Tech Conf Exhib

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