Gelled acidic well treating composition and process

Details Gelled acidic well treating composition and process Gelled acidic well treating composition and process

1978-07-17

1981-01-13

Guynn, Herbert B.

Compositions

Leather or fur treating

166307, 252316, 260 14, E21B 4327

Patent

active

042448263

ABSTRACT:
Gelled acidic compositions suitable for either matrix-acidizing or fracture-acidizing of subterranean formations comprising water, a water-dispersible polymer selected from cellulose ethers and polymers of acrylamides, an acid, an aldehyde, and a phenolic compound capable of causing gelation of an aqueous dispersion of the polymer, acid, aldehyde, and phenolic compound are provided. In another embodiment, guar gum, polyvinylpyrrolidone and biopolysaccharides can also be used as the polymeric component in said compositions.

REFERENCES:
patent: 3134436 (1964-05-01), Means
patent: 3252904 (1966-05-01), Carpenter
patent: 3475334 (1969-10-01), Boudreaux
patent: 3768566 (1973-10-01), Ely et al.
patent: 3795276 (1974-03-01), Eilers et al.
patent: 3923666 (1975-12-01), Dill
patent: 4055502 (1977-10-01), Swanson
patent: 4068719 (1978-01-01), Clampitt et al.
patent: 4068720 (1978-01-01), Hessert et al.
patent: 4146486 (1979-03-01), Hessert et al.

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