Method of improving conformance in steam floods with carboxylate

Details Method of improving conformance in steam floods with carboxylate Method of improving conformance in steam floods with carboxylate

1986-04-03

1987-01-20

Novosad, Stephen J.

Wells

Processes

Distinct, separate injection and producing wells

166309, 252 8554, E21B 4322, E21B 4324

Patent

active

046374663

ABSTRACT:
The disclosed invention is a group of steam foaming agents for injection with steam and a non-condensable gas to decrease permeability in steam swept zones and increase oil recovery. The foaming agents have the general formula:

REFERENCES:
patent: 4457373 (1984-07-01), Balzu et al.
patent: 4478281 (1984-10-01), Balzu et al.
patent: 4485873 (1984-12-01), Balzu et al.
patent: 4540049 (1985-09-01), Hawkins et al.
patent: 4540050 (1985-09-01), Huang et al.
patent: 4577688 (1986-03-01), Bassmann et al.
patent: 4582138 (1986-04-01), Balzu

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