Increased oil recovery possible with CO2 EOR in low-pressure reservoirs ///

The use of CO2 to energize and recover immobile oil in enhanced oil recovery (EOR) projects has been practiced for many years. However, application of this technique in shallow-depth oil fields with lower pressures, at which CO2 is at near-miscible conditions, has not been broadly investigated. With significant oil resources in the U.S. that could potentially be recovered with additional understanding of the near-miscible approach, it is obvious that this technique should be evaluated for future use.

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