Fatty acid additives for surfactant foaming agents

Details Fatty acid additives for surfactant foaming agents Fatty acid additives for surfactant foaming agents

1992-06-10

1994-01-18

Suchfield, George A.

Wells

Processes

Distinct, separate injection and producing wells

166268, 166275, 166294, 166309, 252 8554, E21B 4322, E21B 4324

Patent

active

052793672

ABSTRACT:
The invention is a method for increasing the effectiveness of steam or carbon dioxide foaming operations for improving conformance during steam or carbon dioxide floods by adding to the surfactant foaming solution a fatty acid having about 12 to about 20 carbon atoms in a concentration such that the ratio of fatty acid to surfactant in the foaming solution is between about 1:4 and about 3:2.

REFERENCES:
patent: 3330346 (1967-07-01), Jacobs et al.
patent: 3335792 (1967-08-01), O'Brien et al.
patent: 3637021 (1972-01-01), Hutchison et al.
patent: 4393937 (1983-07-01), Dilgren et al.
patent: 4624314 (1986-11-01), Clark
patent: 4796702 (1989-01-01), Scherubel
patent: 5027898 (1991-07-01), Naae

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