Method and system for CO2 enhanced oil recovery

Abstract Method and system for CO 2 Enhanced Oil Recovery Methods of Enhanced Oil Recovery (EOR) from an oil reservoir by C02 flooding are disclosed. One method comprises producing a well stream from the reservoir; separating the well stream into a liquid phase and a gas phase with a first gas/liqui...

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Main Authors Kristiansen, Olav, Drescher, Michael, Fiveland, Torbjørn, Levy, Thomas, Maråk, Knut Arild, Karstad, Per Ivar, Neeraas, Bengt Olav
Format Patent
LanguageEnglish
Published 31.08.2023
Subjects
EARTH DRILLING
EARTH DRILLING, e.g. DEEP DRILLING
FIXED CONSTRUCTIONS
MINING
OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS
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Abstract Abstract Method and system for CO 2 Enhanced Oil Recovery Methods of Enhanced Oil Recovery (EOR) from an oil reservoir by C02 flooding are disclosed. One method comprises producing a well stream from the reservoir; separating the well stream into a liquid phase and a gas phase with a first gas/liquid separator, wherein the gas phase comprises both C02 gas and hydrocarbon gas; 10 cooling the gas phase with a first cooler; compressing the gas phase using a first compressor into a compressed stream; mixing the compressed stream with an external source of C02 to form an injection stream; and injecting the injection stream into the reservoir. Systems for EOR from an oil reservoir by C02 flooding are also disclosed. [Fig. 3] {73
AbstractList Abstract Method and system for CO 2 Enhanced Oil Recovery Methods of Enhanced Oil Recovery (EOR) from an oil reservoir by C02 flooding are disclosed. One method comprises producing a well stream from the reservoir; separating the well stream into a liquid phase and a gas phase with a first gas/liquid separator, wherein the gas phase comprises both C02 gas and hydrocarbon gas; 10 cooling the gas phase with a first cooler; compressing the gas phase using a first compressor into a compressed stream; mixing the compressed stream with an external source of C02 to form an injection stream; and injecting the injection stream into the reservoir. Systems for EOR from an oil reservoir by C02 flooding are also disclosed. [Fig. 3] {73
Author Drescher, Michael
Fiveland, Torbjørn
Kristiansen, Olav
Karstad, Per Ivar
Neeraas, Bengt Olav
Maråk, Knut Arild
Levy, Thomas
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– fullname: Karstad, Per Ivar
– fullname: Neeraas, Bengt Olav
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Snippet Abstract Method and system for CO 2 Enhanced Oil Recovery Methods of Enhanced Oil Recovery (EOR) from an oil reservoir by C02 flooding are disclosed. One...
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SubjectTerms EARTH DRILLING
EARTH DRILLING, e.g. DEEP DRILLING
FIXED CONSTRUCTIONS
MINING
OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS
Title Method and system for CO2 enhanced oil recovery
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