Method of preparing and using acidizing and fracturing compositi

Details Method of preparing and using acidizing and fracturing compositi Method of preparing and using acidizing and fracturing compositi

1977-01-19

1978-08-15

Guynn, Herbert B.

Compositions

Leather or fur treating

166282, 166283, 252 855R, 260 296SQ, 260 296TA, 260 296RW, 526306, E21B 4327, E21B 4326

Patent

active

041070577

ABSTRACT:
A well acidizing or fracturing composition is prepared by adding to an aqueous acid solution or emulsion or fracturing composition, a cross-linked copolymer of a sulfonic acid-modified acrylamide and a polyvinyl cross-linking agent. The cross-linked copolymer functions as an effective fluid loss additive and/or diverting agent. From about 25 pounds to about 100 pounds of the additive is utilized per 1000 gallons of the aqueous acid solution or acid emulsion.

REFERENCES:
patent: 2763326 (1956-09-01), Cardwell et al.
patent: 2801985 (1957-08-01), Roth
patent: 3254904 (1966-05-01), Carpenter
patent: 3547899 (1970-12-01), Arlt et al.
patent: 3679000 (1972-07-01), Kaufman
patent: 3727689 (1973-04-01), Clampitt
patent: 3803091 (1974-04-01), Murfin
patent: 3931089 (1976-01-01), Karl

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