Rheology of crude oil
Rheology of crude oilInstructor: Minh Vu Ba, Ph.D
Lu Thanh Hong 61101231T Lan Anh 61100137
LOGO S Lc V Du Th.
Tnh Cht Lu Bin Ca Du Th. Thit B o Nht.
ng Dng V Ci Thin Tnh Cht Lu Bin.41231. S LC V DU TH.1.1/ Khi
nim:
1. S LC V DU TH.1.2/ Qu trnh hnh thnh du m + Thuyt sinh vt hc. +
Thuyt v c. + Thuyt ht nhn.1. S LC V DU TH.1.3/ Thnh Phn: +
Hidrocacbon:. Kh. Lng . Rn+ Tp cht: sunfur, kim loi
1. S LC V DU TH.1.4/ Phn loia. Da vo nng lu hunh: + Du Ngt.+ Du
Chua.b. Da vo t trong:+ Nng+ Nh
1. S LC V DU TH.
1. S LC V DU TH.1.5/ Mt s tnh cht ca du th Vit Nam v th gii
1. S LC V DU TH.
1. S LC V DU TH.
1.6/ Cc giai on khai thc du Giai on khi u: p lc t nhin + h thng
bm Ch c 12-15% lng du c ly ra
1. S LC V DU TH. Giai on th 2:
Kh v cht lng h tr+ h thng bmC 15-20% lng du c ly raWater
Flooding l phng php thngs dngMt 6-10 nm cho giai on ny
1. S LC V DU TH.Giai on th 3 (EOR):Cn li khong 2/3 lng dubm kh
hay dch lng vo b du=> nng cao p sut trong b hay nhm lm gim nht
ca duCc cht bm vo: Hi nng: dng cho phng php nhit.Polymer, gel, cht
hot ng b mt : phng php ha hc.Carbon dioxide, nitrogen, kh thin
nhin: phng php bm kh.Phng php th 4 l phng php EOR nh vo vi
trng.
2. TNH CHT LU BIN CA DU THThay i theo lp v khi lng ring:Lp th
nht: C suy gim HBM4. NG DNG V CI TIN TNH LU BIN:
Cc hin tng vt l xy ra: + S to thnh h nh micro trong khai thc+ S
kt hp cc thnh phn nh du, nc /mui , cht hot ng b mt/cht ng hot ng b
mt/ ru+ H nh micro: sc cng b mt phn pha t gi tr rt b=> qu trnh
tn thu du trit hn.4. NG DNG V CI TIN TNH LU BIN: Cc yu t nh hng:Loi
Thnh phn khong ca m duLng mui s dng v thnh phn ca chngpHVn tc bm
dng lng thay thThnh phn dng thay thLoi polymer s dng v lng s dng
nht ca duThnh phn ca dup sut, nhit 4. NG DNG V CI TIN TNH LU BIN:
Cc cht hot ng b mt c s dng:+ Petroleum sulphonate (ptrostep-420)+
Acylated polypeptide salt
+Cosurfactant.+ Alkylaryl sulfonate (AAS).+ Alkylxylene
sulfonate (AXS):
4. NG DNG V CI TIN TNH LU BIN:+ Hin tng ng c: Trong qu trnh vn
chuyn, paraffin gp lnh v tch ra trong du th. Qu trnh kt tinh ny lm
tng nht, gim s lu bin ca du th, tc nghn ng dn. nh hng ln n nng sut
khai thc v vn chuyn.
+ Cch c bn nht l un nng ng dn v du th.4. NG DNG V CI TIN TNH LU
BIN:Este ha axit acrylic bng xetyl ancol v hn hp ca xetyl-stearyl
ancol trong toluen c mt xc tc axit p-toluen-sulfunic.Phn ng
copolyme ha gia este ankyl acrylat vi anhydrit maleic.Tin hanh amit
ha este ankyl acrylat vi anhydrit maleic vi amin mch hydrocacbon
di.
4. NG DNG V CI TIN TNH LU BIN:Ti liu tham kho[1] TNG HP PH GIA
GIM NHIT NG C CHO DU TH NHIU PARAFFIN M BCH H TRONG KHAI THC V VN
CHUYN TRN NN ESTER CA POLY-TRIETHANOLAMINE, ThS. o Th Hi H, CN.
Hong Linh, KS. Lng Vn TuynVin Du kh Vit Nam[2] Chuyn Petrolium, L
Th Hng Nhan[3] Tp ch khoa hc HQGHN, Khoa hc t nhin v cng ngh 24
(2008) 187-191, Lu Vn Bi, Nguyn Th Sn[4] Pipeline flow of waxy
crude oils, L.T Wardhaugh and D.V Boger[5] The Yield value and
breakdown of crude oils gels, T.C. Davenport and R.S.H. Somper
Thanks for your attention
