Polymer flood filtration improvement

Details Polymer flood filtration improvement Polymer flood filtration improvement

E - Fixed Constructions

21

B

31/26

E21B 43/22 (2006.01) C09K 8/584 (2006.01) C09K 8/588 (2006.01)

Patent

CA 1130550

POLYMER FLOOD FILTRATION IMPROVEMENT Abstract of the Disclosure Filterability of aqueous solutions of polymers employed to thicken waterfloods such as biopolymers (e.g. heteropolysaccharides) is improved by addition of a surfactant (e.g. a sulfated alkoxylated alcohol). Filter- ability is further enhanced by addition of an ethoxylated alcohol surfactant and/or an alcohol.

333748

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