04572294 is referenced by 16 patents and cites 8 patents.

An improved non-condensible gas injection process for recovering hydrocarbons from a subterranean formation. The process includes the use of alpha-olefin sulfonate surfactants along with the non-condensible gas to form a gas-foam drive medium which is injected into the formation through at lest one injection well to enhance the recovery of hydrocarbons from at least one production well.

Title
Non-condensible gas injection including alpha-olefin sulfonate surfactant additives
Application Number
507834
Publication Number
4572294
Application Date
May 16, 1984
Publication Date
February 25, 1986
Inventor
Jack D Knight
Berkeley
CA, US
Robert G Wall
Pinole
CA, US
John H Duerksen
Fullerton
CA, US
Agent
A Stephen Zavell
E J Keeling
S R LaPaglia
Assignee
Chevron Research Company
CA, US
IPC
E21B 43/22
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