A CO.sub.2 drive process for oil recovery employing an alcohol e

Details A CO.sub.2 drive process for oil recovery employing an alcohol e A CO.sub.2 drive process for oil recovery employing an alcohol e

1988-01-29

1989-01-24

Suchfield, George A.

Wells

Processes

Distinct, separate injection and producing wells

166273, 166309, 252 8554, E21B 4322

Patent

active

047995475

ABSTRACT:
A process for enhancing the recovery of oil from a subterranean oil-containing reservoir having a temperature of at least about 40.degree. C., which comprises steps for

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patent: 3342256 (1967-09-01), Bernard et al.
patent: 4380266 (1983-04-01), Wellington
patent: 4485873 (1984-12-01), Balzer et al.
patent: 4495995 (1985-01-01), Chen et al.
patent: 4542790 (1985-09-01), Balzer
SPE Paper No. 14393, Wellington et al., Presented at the 60th Annual Technical Conference and Exhibition of the SPE, Las Vegas, NV, Sep. 22-25, 1985.
SPE Paper No. 14394, Borchardt et al., Presented at the 60th Annual Technical Conference and Exhibition of the SPE, Las Vegas, NV, Sep. 22-25, 1985.
Van Nostrand Reinhold Encyclopedia of Chemistry, Fourth Edition, 1984.
D. Balzer, "Carboxymethylated Ethoxylates as EOR Surfactants" (2nd European Symposium Enhanced Oil Recovery, Paris, Nov. 8-10, 1982).

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