Brasil Round 4
Campos Basins
Orivaldo BagniBlock Definition Superintendency
CAMPOS BASIN
• PresentationØLocationØGeneralitiesØTectono-stratigraphic evolutionØPetroleum SystemØFields ModelsØBlocks for bidding
CAMPOS BASINLocation Map
Area of the basin:115,800 km2
Wells: 826 (391 wildcats)Oilfields: 39Production: 1,070,000 b/dMarlim: 567,000 b/d
CAMPOS BASIN
• GeneralitiesØArea: 115.800 km²ØBoundaries: - Cabo Frio High (Santos) - Vitória High (Espírito Santo)ØExploratory Wells: 826 (391 wildcats)ØFields: 39 (Marlim: 567,000 b/d)ØDaily Production: 1,070,000 barrels
CAMPOS BASIN
• Tectonic-stratigraphic evolution
ØStarting: Mesozoic (rift Pelotas to Pe-Pb)Neocomian Basalts (Fm.Cabiúnas)
ØRift: Barremian Sequence (Lagoa Feia Fm).Principal source rock.
ØTransitional: Aptian (Lagoa Feia Fm).Evaporites (Santos to SE-AL gulf).
CAMPOS BASIN
• Tectonic-stratigraphic evolution
ØDrift: Starting in Albian (Macaé Fm).Cenomanian-Turonian (“Bota” Interval andNamorado sandstones) - Fault trend.
− Transgressive Phase: Senonian-Paleocene(Campos Gr)
− Regressive Phase: Eocene-Miocene (Campos Gr).Serra do Mar reactivation (deltaic and turbidite fans).
CAMPOS BASIN
Stratigraphic Chart
Badejo HighCorvina-Parati Low
OuterHigh
Marlim Low
Salt Dome Province
Albian Carbonates
TurbiditesK. & T.S. J. da Barra Low
CAMPOS BASIN
Schematic Geological Section
CAMPOS BASIN
• Sistema PetrolíferoØSource RocksØReservoir Rocks /SealsØPrincipal PlaysØGeneration/MaturationØMigration/Trapping
• Source rocksØShales and marls of the Lagoa Feia Fm
– TOC: 2 to 6%. Locally 9%.– HI: up to 900 mgHC/g TOC.– Thickness: 100 - 300 m.– Organic Matter: Type I and II.– S2: up to 38 mgHC/g of rock.
CAMPOS BASINPetroleum System
CAMPOS BASINTypical Geochemical Log
CAMPOS BASINPetroleum System
• ReservoirsØTurbidites of Carapebus Fm (K & Tert).ØCarbonates and “Namorado” sandstones of
the Macaé Fm (Albian-Turonian).ØCoquinas of the L. Feia Fm (Barremian).ØBasalts of the Cabiúnas Fm (Neocomian).
• Cap rocksØCalcilutites, marls and shales
Macaé Play
Rift Play
K. & Tert. Turb. Play.
CAMPOS BASINPrincipal Plays
RESERVOIR POROSITY
(%) PERMEABILITY
(mD)
Neocomian basalts fractured high
Barremian carbonates (coquinas) of the rift 15-20 Up to 1,000
Albian carbonates ~18 45 (Garoupa)
Upper Cretacous turbidites 20-25 100 to 1,000
Tertiary turbidites 25-31 Up to 2,500
Reservoirs
CAMPOS BASIN
CAMPOS BASINPetroleum System
• Generation/MaturationØBeginning of the oil generation window:
Oligocene/Miocene.
ØGeneration remains up to now in a majorportion of the basin.
CAMPOS BASIN
Maturation/Generation Areas
CAMPOS BASIN
Maturation/Generation Areas
CAMPOS BASIN
Petroleum System
• MigrationØPrincipal: Through listric faults (Lagoa Feia
Fm source rocks – drift reservoirs).
• TrappingØStructuralØStratigraphicØMixed (Paleogene reservoirs)
CAMPOS BASINEvent Chart
Lagoa Feia - Carapebus (!)
CAMPOS BASINCarapeba Field
Horschutz, P.M.C., et al, 1992
CAMPOS BASINVermelho Field
Horschutz, P.M.C., et al, 1992
CAMPOS BASINRoncador Field (Schematic)
CAMPOS BASINDiscovery Under Evaluation
CAMPOS BASIN
Blocks for Bidding
• Shallow water blocksØ BM-C-21, 22 & 23
• Deepwater blocksØ BM-C-20, 24 & 25
• Regional Data:Ø 2D Seismic: 4,940 kmØ Wells: 12
CAMPOS BASIN
Regional Seismic and Wells
CAMPOS BASIN
Structural Framework
CAMPOS BASIN
2D Seismic: Blocks BM-C-20 to 25
CAMPOS BASIN
3D Seismic: Blocos BM-C-21 a 25
CAMPOS BASIN
Wells: BM-C-21, 22, 23 and 24
CAMPOS BASIN
Wells: BM-C-25
CAMPOS BASIN
Shallow Water Blocks
• Blocks BM-C-21, 22 and 23ØTotal area: 3,117 km².ØWater depth: 10 to 75 m.ØWells drilled: 45ØPlays: Albian calcarenites and sandstones; and
Cen/Tur “Namorado” sandstones (Macaé Fm).Ø1-RJS-127 - Coquinas of Lagoa Feia Fm
(37º API)Ø1-RJS-548A – “Namorado” sands (20º API)
CAMPOS BASINShallow Water Blocks
SEISMIC (Km) BLOCKS
AREA (Km2)
WATER DEPTH
(m) 2D 3D
EXPL. WELLS
BM-C-21 1072 25 - 75 2173 576 17
BM-C-22 972 40 - 75 1645 2854 24
BM-C-23 1072 10 - 50 2524 - 4
CAMPOS BASINDeepwater Blocks
• Blocks BM-C-20, 24 and 25ØTotal area: 3,792 km².ØWater depth: 100 to 3,000 m.ØWells drilled: 13.ØPlays: Tertiary and Cretaceous turbiditic
sandstones.Ø1-ESS-104B – Upper Cretaceous sandstonesØ1-ESS-95A - Paleocene and “Namorado”
sandstones.
CAMPOS BASINDeepwater Blocks
SEISMIC (Km) BLOCKS
AREA (Km2)
WATER DEPTH
(m) 2D 3D
EXPL.
WELLS
BM-C-20 2231 2500 - 3000 527 - -
BM-C-24 602 100 - 1500 1527 2114 7
BM-C-25 959 600 - 1700 890 12690 6
BLOCKS EXPL.
PERIODS (Years)
1st PER. 2D SEIS.
(km)
2nd PER. WELLS
3rd PER. WELLS
MINIM. DEPTH
GUARANT. 1st PERIOD
(US$MM)
TECHNICAL QUALIF.
(Operators)
BM-C-20 3+3+3 2000 2 2 Tamoios Mb 2,0 A
BM-C-21 3+3+2 1000 2 2 Macaé Fm 1,0 B
BM-C-22 3+3+2 1000 2 2 Macaé Fm 1,0 B
BM-C-23 3+3+2 1000 2 2 Macaé Fm 1,0 B
BM-C-24 3+3+2 1000 2 2 Tamoios Mb 1,0 A
BM-C-25 3+3+2 1000 2 2 TamoiosMb 1,0 A
CAMPOS BASINMinimum Exploration Program