Fatty acid salts as steam foaming agents

Details Fatty acid salts as steam foaming agents Fatty acid salts as steam foaming agents

1992-12-24

1994-08-30

Suchfield, George A.

Wells

Processes

Distinct, separate injection and producing wells

166273, 166274, 166303, 166309, 252 8554, E21B 4324, E21B 4322

Patent

active

053418786

ABSTRACT:
A steam foam method of recovering hydrocarbons from an underground hydrocarbon formation, which comprises injecting steam through an injection well into the formation, injecting an aqueous solution having a salinity greater than about 1% by weight and a pH of about 8 to about 12, comprising about 0.1% to about 5% by weight of a fatty acid salt having about 10 to about 24 carbon atoms, and injecting steam into the formation to sweep hydrocarbons towards the production well for recovery.

REFERENCES:
patent: 3796266 (1974-03-01), Carlin et al.
patent: 4768592 (1988-09-01), Perkins
patent: 4844163 (1989-07-01), Hazlett et al.

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