Prepackaged crosslinked polymer

Details Prepackaged crosslinked polymer Prepackaged crosslinked polymer

1982-10-25

1985-03-19

Guynn, Herbert B.

Compositions

Leather or fur treating

2523153, E21B 4326

Patent

active

045058261

ABSTRACT:
A mixture of dry ingredients capable of forming a crosslinked polymer upon hydration for use as a fracturing fluid in processes for recovering minerals from subterranean formations. The dry mix comprises a polysaccharide, a crosslinking agent selected to become active after the polysaccharide has been substantially hydrated, and a pH-adjusting agent to facilitate the crosslinking reaction. The mix is hydrated while being pumped and reaches maximum viscosity in the subterranean formation.

REFERENCES:
patent: 3301723 (1967-01-01), Chrisp
patent: 3383307 (1968-05-01), Goetz
patent: 3655579 (1972-04-01), Crotty et al.
patent: 3888312 (1975-06-01), Tiner et al.
patent: 4021355 (1977-05-01), Holtmyer et al.
patent: 4033415 (1977-07-01), Holtmyer et al.
patent: 4313834 (1982-02-01), Harris
patent: 4369124 (1983-01-01), Elphingstone et al.

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