Gelled aqueous compositions

Details Gelled aqueous compositions Gelled aqueous compositions

1984-11-07

1986-04-01

Guynn, Herbert B.

Compositions

Leather or fur treating

166274, 166308, 252 855D, 523130, 523411, 523414, 523418, E21B 4326

Patent

active

045796670

ABSTRACT:
Disclosed are gelled aqueous compositions in brine solutions having a salt concentration from about 1% to about 10% at a pH of about 3 to about 11 having (a) a water thickening amount of an anionic partially hydrolyzed polyacrylamide and (b) a water-soluble cationic polyamide-epichlorohydrin resin in an amount sufficient to cause gelation and form the gelled composition. The compositions are useful in the recovery of oil and gas by fracturing and in enhanced oil recovery.

REFERENCES:
patent: 3224986 (1965-09-01), Butler
patent: 3272640 (1966-09-01), Geurden
patent: 3909423 (1975-09-01), Hessert et al.
patent: 4043921 (1977-08-01), Hessert et al.
patent: 4055502 (1977-10-01), Swanson
patent: 4409110 (1983-10-01), Borchardt et al.

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