Polymer flood filtration improvement

Details Polymer flood filtration improvement Polymer flood filtration improvement

1978-05-26

1980-07-15

Guynn, Herbert B.

Compositions

Leather or fur treating

166246, 536114, 435104, E21B 4322

Patent

active

042127483

ABSTRACT:
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). Filterability is further enhanced by addition of an ethoxylated alcohol surfactant and/or an alcohol.

REFERENCES:
patent: 3305016 (1967-02-01), Lindblom et al.
patent: 3436346 (1969-04-01), Westover et al.
patent: 3729460 (1973-04-01), Patton
patent: 3801502 (1974-04-01), Hitzman
patent: 3827497 (1974-08-01), Dycus et al.
patent: 3853771 (1974-12-01), Felmann et al.
patent: 3966618 (1976-06-01), Colegrove

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