Carbon dioxide-steam co-injection tertiary oil recovery process

Details Carbon dioxide-steam co-injection tertiary oil recovery process Carbon dioxide-steam co-injection tertiary oil recovery process

1989-07-12

1991-06-04

Kisliuk, Bruce M.

Wells

Processes

Distinct, separate injection and producing wells

166270, 166273, 166275, 166300, 166303, 166902, E21B 4324

Patent

active

050205951

ABSTRACT:
A composition for use in enhanced oil recovery procedures comprises steam, carbon dioxide, carbonic acid, and a corrosion inhibitor. In one version of the invention, the corrosion inhibitor is a carbonate-containing buffering agent and in another version of the invention, the corrosion inhibitor is a pH-adjusting agent.

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