Enhanced oil recovery techniques - petrofed.winwinho...

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WHAT COMES TO MIND WHEN THEPRODUCTION OF YOUR WELLSSTART TO DECLINE?What is the purpose of <strong>Enhanced</strong>Oil Recovery?• EOR is intended to improve –– displacement efficiency (at pore level)– sweep efficiency (vertical and areal)• Reduction of residual <strong>oil</strong> saturation isthe key to improving displacementefficiency, which is determined by theCapillary Number
Primary RecoverySecondary RecoveryTertiary RecoveryThermalGasChemical
Page 1: Enhanced oil recovery techniquesDin
Page 7 and 8: Incremental IOR/EOR OilIncremental
Page 9 and 10: Thermal EOR ProcessThe principle of
Page 11 and 12: Thermal (Steam flooding)
Page 13 and 14: Thermal EOR ProcessLimitations :•
Page 15 and 16: Steam Flooding (Huff and Puff)
Page 17 and 18: Thermal EOR ProcessIn-situ Combusti
Page 20 and 21: Air injectionSCHEMATIC OF SPONTANEO
Page 22 and 23: In-situ Combustion
Page 24 and 25: LimitationsThermal EOR ProcessThe p
Page 26 and 27: W/c, %Balol FieldBalol FieldIn-situ
Page 28 and 29: Non-Thermal EOR MethodsNON-THERMALM
Page 30 and 31: Chemical Floods Current Status Worl
Page 32 and 33: Chemical EOR Process
Page 34 and 35: WATER FLOODInjectorProducer
Page 36 and 37: WATER FLOODInjectorProducer
Page 38 and 39: SURFACTANT FLOODSurfactant follows
Page 40 and 41: SURFACTANT FLOODInjectorProducer
Page 42 and 43: SURFACTANT FLOODInjectorProducer
Page 44 and 45: SMART SURFACTANT FLOODSmart Surfact
Page 46: SMART SURFACTANTInjectorProducer
Page 49 and 50: SMART SURFACTANTInjectorProducer
Page 51 and 52: SMART SURFACTANTInjectorProducer
Page 53:
Chemical EOR ProcessTechnical Scree
Page 56 and 57:
Chemical EOR ProcessPolymer Process
Page 58 and 59:
Chemical EOR Process
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Chemical EOR Process
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Chemical EOR ProcessLimitations and
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140120100water cut (%)Polymer Flood
Page 66 and 67:
Gas Based EOR Process
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Gas Contribution to Green House Eff
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Gas Based EOR ProcessHydrocarbon Mi
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Miscible Gas Flooding(Hydrocarbon I
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Gas Based EOR ProcessRich Gas Injec
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Miscible Gas Injection: Gandhar GS-
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Gas Based EOR ProcessLimitations an
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Gas Based EOR ProcessCO2 Flooding (
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Page 86 and 87:
Page 88 and 89:
Gas Based EOR ProcessNitrogen Gas F
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Gas Based EOR ProcessWater And Gas
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Gas Based EOR ProcessClassification
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Gas Based EOR ProcessPerformance of
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Gas Based EOR ProcessSimultaneous w
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Gas Based EOR ProcessDisplacement E
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INCORRECT APPLICATIONS:Miscible Flo
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Microbial EOR ProcessMicrobial Enha
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THE TECHNIQUE INVOLVES:‣injection
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MICROBIAL PRODUCTS AND THEIR ACTION
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Micro Photo Graph of Consortium S-2
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Other parameters which areconsidere
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Schematic flow diagram of MEOR JobT
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1009080706050403020100MEOR PERFORMA
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1009080706050403020100MEOR PERFORMA
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403530Liquid rate / Oil rate m3/d10
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COST OF MEOR OILMEOR job cost with
Page 123:
Conclusions•The forces holding ba
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