Enhanced oil recovery techniques - petrofed.winwinho...

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INCORRECT APPLICATIONS:Miscible Flooding• Of more than 100 floods, only a dozen havebeen commercially successful; failuresbecause of lack of attention to gravitysegregation, and frontal stability• Incompatible <strong>oil</strong> and drive fluid compositionsin multi-contact miscibility• Wrong choice of the drive gas (nitrogen?inert gas?)• Optimistic simulations (poor control ofdiffusivity); unscaled experiments
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Enhanced oil recovery techniquesDin
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Primary RecoverySecondary RecoveryT
Page 7 and 8:
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
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
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 102 and 103: Microbial EOR process is an in-situ
Page 104 and 105: Microbial EOR ProcessMEOR has two d
Page 106 and 107: Microbial EOR Process
Page 108 and 109: IDENTIFIED MICROBES FOR MEORPROCESS
Page 110 and 111: Well Selection Criteria forapplicat
Page 112 and 113: Treatment DesignConsists of three s
Page 114 and 115: 100.090.080.070.060.050.040.030.020
Page 116 and 117: 403530Average Qo & Ql (m3/d)1009080
Page 118 and 119: MEOR JOB PERFORMANCE AT KALOL #104
Page 120 and 121: PERFORMANCE OF MEOR JOB IN KALOL #
Page 122 and 123: Conclusions‣Future oil increasing
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