Equinor Energy As

Thomas Levy

Knut Arild Maråk

Torbjørn Fiveland

Olav Kristiansen

Bengt Olav Neeraas

Michael Drescher

Per Ivar Karstad

Methods of Enhanced Oil Recovery (EOR) from an oil reservoir by COflooding 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 COgas and hydrocarbon gas; 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 COto form an injection stream; and injecting the injection stream into the reservoir. Systems for EOR from an oil reservoir by COflooding are also disclosed.

Method and system for Coenhanced oil recovery

Method and system for CO2 enhanced oil recovery

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Skien, Norway

Thomas Levy