Enhanced oil recovery techniques - petrofed.winwinho...

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Steam Assisted Gravity DrainageHorizontal wells drilled in stacked pairs form the basic unit of SAGDproject (top). Steam injected into the upper well melts surrounding oil(bottom). Gravity causes the mobilized oil to flow downward to thelower well for production.
Thermal EOR ProcessIn-situ Combustion ProcessThis process involves starting a fire in the reservoir and injectingair to sustain the burning of some of the crude oil, usually incombination with water. A combustion front is formed at whichthe injected air burns a small portion of the reservoir oil. Theprocess combustion can be achieved through low temperatureoxidation and high temperature oxidation. Low temperatureoxidation is suited for light oil. Hot flue gas and steam resultingfrom combustion and water vaporization displace the oil aheadof the combustion front. Vaporization of the light ends andthermal cracking also occur. Ahead of the combustion front, thevaporized light ends condense, providing some assistance todisplacement by solvent dilution of the virgin crude.
Page 1 and 2: Enhanced oil recovery techniquesDin
Page 3: Primary RecoverySecondary RecoveryT
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: Steam Flooding (Huff and Puff)
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 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
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Gas Based EOR ProcessHydrocarbon Mi
Page 72 and 73:
Miscible Gas Flooding(Hydrocarbon I
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Gas Based EOR ProcessRich Gas Injec
Page 76 and 77:
Miscible Gas Injection: Gandhar GS-
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Gas Based EOR ProcessLimitations an
Page 80 and 81:
Gas Based EOR ProcessCO2 Flooding (
Page 82:
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
Page 94 and 95:
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
Page 113 and 114:
Schematic flow diagram of MEOR JobT
Page 115 and 116:
1009080706050403020100MEOR PERFORMA
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1009080706050403020100MEOR PERFORMA
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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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