Gelled aqueous well treating fluids

Details Gelled aqueous well treating fluids Gelled aqueous well treating fluids

1979-08-09

1981-11-24

Guynn, Herbert B.

Compositions

Leather or fur treating

166291, 260 9, 260 175, 260 285R, 260 37N, E21B 4300, E21B 3313

Patent

active

043023410

ABSTRACT:
Gelled aqueous fluids, solid blends for forming such fluids and methods of using the fluids for treating wells are provided. The gelled fluids are stable over a broad temperature range and are comprised of water, a first hydratable polymer for increasing the viscosity of the fluid to a desired level at temperatures within a first lower range and a second hydratable polymer for maintaining the viscosity of the fluid at temperatures within a second higher range.

REFERENCES:
patent: 3256181 (1966-06-01), Zingg et al.
patent: 3483121 (1969-12-01), Jordan
patent: 3557016 (1971-01-01), Schuppner
patent: 3898165 (1975-08-01), Ely et al.
patent: 3960736 (1976-06-01), Free et al.
patent: 4038206 (1977-07-01), Karl
patent: 4098700 (1978-07-01), Hartfiel
patent: 4141843 (1979-02-01), Watson
patent: 4175042 (1979-11-01), Mondshine

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