04344486 is referenced by 131 patents and cites 11 patents.

Disclosed is a method and apparatus for the enhanced recovery of liquid hydrocarbons from underground formations, said method comprising recovering a mixture comprising carbon dioxide and contaminants comprising hydrocarbon, hydrogen sulfide, or mixtures thereof, from an underground formation; combusting said mixture with an oxygen enriched gas to form a concentrated carbon dioxide stream; and injecting at least a portion of said concentrated carbon dioxide stream into an underground formation to enhance recovery of liquid hydrocarbon.

Title
Method for enhanced oil recovery
Application Number
6/238874
Publication Number
4344486
Application Date
February 27, 1981
Publication Date
August 17, 1982
Inventor
David R Parrish
Tulsa
OK, US
Agent
Fred E Hook
Scott H Brown
Assignee
Standard Oil Company
IL, US
IPC
E21B 43/40
E21B 43/24
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