Reduction of viscosity of aqueous fluids

Details Reduction of viscosity of aqueous fluids Reduction of viscosity of aqueous fluids

1985-11-12

1987-03-03

Guynn, Herbert B.

Compositions

Leather or fur treating

166308, 252 8511, E21B 4326, C09K 702

Patent

active

046473858

ABSTRACT:
The viscosity of thickened aqueous solutions of water-soluble polymers is reduced by the addition of alkali metal and alkaline earth metal salts of hypochlorous acid and tertiary amines. The combination of the salt and the tertiary amine is much more efficient in speed of reduction in viscosity and in the completeness of the degradation of the polymer than the use of the metal salt alone. The process of this invention is particularly useful in fracturing of oil wells.

REFERENCES:
patent: 3002960 (1961-10-01), Kolodny
patent: 3779914 (1973-12-01), Nimerick
patent: 4144179 (1979-03-01), Chatterji
patent: 4169798 (1979-10-01), DeMartino
patent: 4250044 (1981-02-01), Hiakel
patent: 4464268 (1984-08-01), Schievelbein
patent: 4552668 (1985-11-01), Brown et al.
Oil & Gas Journal, Dec. 12, 1983, pp. 96-101 Ken E. Davis and Malcolm D. Jarrell.

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