Research seeks new chemical methods to improve CO2 floods

Research sponsored by the US government seeks development of new chemical methods for improving mobility and conformance of carbon dioxide floods in enhanced oil recovery. A report published late last year by the Department of Energy's National Energy Technology Laboratory (NETL) reviewed 40 years of research on applications using thickeners, foams, and gels in one of several next-generation technologies considered crucial to realizing the potential of CO2 EOR. A revised resource assessment conducted by Advanced Resources International for DOE last year estimated the potential at 137 billion bbl of technically recoverable oil and 67 billion bbl economically recoverable at an oil price of ...

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