Enhanced liquid hydrocarbon recovery process

Details Enhanced liquid hydrocarbon recovery process Enhanced liquid hydrocarbon recovery process

E - Fixed Constructions

21

B

E21B 43/22 (2006.01) C09K 8/94 (2006.01) E21B 43/16 (2006.01)

Patent

CA 2096118

A polymer enhanced foam comprising a polymer selected from a synthetic polymer or a biopolymer, a surfactant, an aque- ous solvent and a gas is injected into a fractured subterranean formation via a first well in fluid communication with the forma- tion and preferentially enters fractures present in the formation. The injected polymer enhanced foam promotes the recovery of liquid hydrocarbons from said formation via the first well or a second well in fluid communication with the formation.

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