Recovering petroleum from subterranean formations

Details Recovering petroleum from subterranean formations Recovering petroleum from subterranean formations

E - Fixed Constructions

21

B

166/39

E21B 43/24 (2006.01)

Patent

CA 1126649

RECOVERING PETROLEUM FROM SUBTERRANEAN FORMATIONS (D#74, 845-F) A B S T R A C T A process for enhanced recovery of petroleum from subterranean formations wherein a vapor mixture of steam and a petroleum fraction containing naturally occurring phenolic and carboxylic compounds is injected via an injection well, and a mixture of steam condensate and petroleum is produced via a production well.

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