Wells – Processes – Distinct – separate injection and producing wells
Patent
1981-02-27
1982-08-17
Novosad, Stephen J.
Wells
Processes
Distinct, separate injection and producing wells
166266, 166274, E21B 4324, E21B 4340
Patent
active
043444865
ABSTRACT:
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.
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Brown Scott H.
Hook Fred E.
Novosad Stephen J.
Standard Oil Company (Indiana)
Suchfield George A.
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