Waterflood oil recovery process using internal olefin...

Details Waterflood oil recovery process using internal olefin... Waterflood oil recovery process using internal olefin...

E - Fixed Constructions

21

B

31/31

E21B 43/22 (2006.01)

Patent

CA 1249429

WATERFLOOD OIL RECOVERY PROCESS USING INTERNAL OLEFIN SULFONATE SURFACTANT Abstract of the Disclosure The present invention relates to a process wherein an aqueous surfactant system containing a primary surfactant which is an internal olefin sulfonate surfactant having a water solubility which concentrates the surfactant at the oil/water interface and is an effective oil dis- placing fluid.

496910

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