Method of preparing and using and composition for acidizing subt

Details Method of preparing and using and composition for acidizing subt Method of preparing and using and composition for acidizing subt

1982-04-19

1984-08-21

Guynn, Herbert B.

Compositions

Leather or fur treating

166307, E21B 4327

Patent

active

044668937

ABSTRACT:
A composition and method of acidizing or fracturing a subterranean formation comprising contacting the formation with a composition comprising an acid, urea, and a selected gelling agent. The urea is present in an amount sufficient to extend the viscous stability of the gelled acid composition in comparison to the acid and gelling agent alone.

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patent: 3826312 (1974-07-01), Richardson et al.
patent: 3920566 (1975-11-01), Richardson et al.
patent: 4061580 (1977-12-01), Jahnke

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