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Microbial EOR Process
MICROBIAL PRODUCTS AND THEIR ACTIONAcidsImproving• porosity• permeabilityGases(CO 2 , CH 4 )• Increase in pore pressure.• Oil swelling• Viscosity reductionSolvents• Dissolving of <strong>oil</strong>Surfactants• Lowering of interfacial tensionPolymers• Mobility control
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Enhanced oil recovery techniquesDin
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Primary RecoverySecondary RecoveryT
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Incremental IOR/EOR OilIncremental
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Thermal EOR ProcessThe principle of
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Thermal (Steam flooding)
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Thermal EOR ProcessLimitations :•
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Steam Flooding (Huff and Puff)
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Thermal EOR ProcessIn-situ Combusti
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Air injectionSCHEMATIC OF SPONTANEO
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In-situ Combustion
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LimitationsThermal EOR ProcessThe p
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W/c, %Balol FieldBalol FieldIn-situ
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Non-Thermal EOR MethodsNON-THERMALM
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Chemical Floods Current Status Worl
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Chemical EOR Process
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WATER FLOODInjectorProducer
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WATER FLOODInjectorProducer
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SURFACTANT FLOODSurfactant follows
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SURFACTANT FLOODInjectorProducer
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SURFACTANT FLOODInjectorProducer
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SMART SURFACTANT FLOODSmart Surfact
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SMART SURFACTANTInjectorProducer
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Chemical EOR ProcessTechnical Scree
Page 56 and 57: Chemical EOR ProcessPolymer Process
Page 58 and 59: Chemical EOR Process
Page 60 and 61: Chemical EOR Process
Page 62 and 63: Chemical EOR ProcessLimitations and
Page 64 and 65: 140120100water cut (%)Polymer Flood
Page 66 and 67: Gas Based EOR Process
Page 68 and 69: Gas Contribution to Green House Eff
Page 70 and 71: Gas Based EOR ProcessHydrocarbon Mi
Page 72 and 73: Miscible Gas Flooding(Hydrocarbon I
Page 74 and 75: Gas Based EOR ProcessRich Gas Injec
Page 76 and 77: Miscible Gas Injection: Gandhar GS-
Page 78 and 79: Gas Based EOR ProcessLimitations an
Page 80 and 81: Gas Based EOR ProcessCO2 Flooding (
Page 82: Gas Based EOR ProcessCO2 Flooding (
Page 86 and 87: Gas Based EOR ProcessCO2 Flooding (
Page 88 and 89: Gas Based EOR ProcessNitrogen Gas F
Page 90 and 91: Gas Based EOR ProcessWater And Gas
Page 92 and 93: Gas Based EOR ProcessClassification
Page 94 and 95: Gas Based EOR ProcessPerformance of
Page 96 and 97: Gas Based EOR ProcessSimultaneous w
Page 98 and 99: Gas Based EOR ProcessDisplacement E
Page 101 and 102: INCORRECT APPLICATIONS:Miscible Flo
Page 103 and 104: Microbial EOR ProcessMicrobial Enha
Page 105: THE TECHNIQUE INVOLVES:‣injection
Page 109 and 110: Micro Photo Graph of Consortium S-2
Page 111 and 112: Other parameters which areconsidere
Page 113 and 114: Schematic flow diagram of MEOR JobT
Page 115 and 116: 1009080706050403020100MEOR PERFORMA
Page 117 and 118: 1009080706050403020100MEOR PERFORMA
Page 119 and 120: 403530Liquid rate / Oil rate m3/d10
Page 121 and 122: COST OF MEOR OILMEOR job cost with
Page 123: Conclusions•The forces holding ba
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