Method and compositions for dissolving silicates in subterranean

Details Method and compositions for dissolving silicates in subterranean Method and compositions for dissolving silicates in subterranean

1981-10-30

1983-11-08

Guynn, Herbert B.

Compositions

Leather or fur treating

166307, E21B 4327

Patent

active

044141181

ABSTRACT:
A method and composition to dissolve siliceous material in a subterranean formation. The composition of the invention is an aqueous acidic solution having a pH no greater than 2 and comprised of at least one mineral acid and a fluoride compound of zirconium, chromium or cobalt. The method is carried out by contacting the siliceous material in the subterranean formation with the above identified composition.

REFERENCES:
patent: 1990969 (1935-02-01), Wilson
patent: 2118386 (1938-05-01), Swinehart
patent: 4056146 (1977-11-01), Hall
patent: 4200154 (1980-04-01), Tate
patent: 4304676 (1981-12-01), Hall

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