Process for stimulating a well with a saline surfactant...

Details Process for stimulating a well with a saline surfactant... Process for stimulating a well with a saline surfactant...

E - Fixed Constructions

21

B

166/25, 166/31

E21B 43/27 (2006.01) C09K 8/60 (2006.01) C09K 8/74 (2006.01) E21B 43/17 (2006.01) E21B 49/00 (2006.01)

Patent

CA 1151997

24. A B S T R A C T A PROCESS FOR STIMLATING A WELL WITH A SALINE SURFACTANT SULFATE, ALKANOL AND ACID SYSTEM The injectivity of an oil-containing reservoir is increased by injecting successive portions of a solution or slightly turbid dispersion of reservoir-tailored amounts of polyalkoxyalcohol sulfate surfactant and lower alkanol in highly saline aqueous liquid and a reservoir acidizing solution.

373848

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