Fatty acid salts as steam foaming agents

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

E - Fixed Constructions

21

B

E21B 43/24 (2006.01) C09K 8/58 (2006.01) C09K 8/594 (2006.01)

Patent

CA 2110445

FATTY ACID SALTS AS STEAM FOAMING AGENTS (D# 91,060-F) ABSTRACT OF THE DISCLOSURE 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.

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