Low temperature breakers for gelled fracturing fluids

Details Low temperature breakers for gelled fracturing fluids Low temperature breakers for gelled fracturing fluids

1987-11-13

1989-01-03

Guynn, Herbert B.

Compositions

Leather or fur treating

166308, E21B 4326

Patent

active

047955740

ABSTRACT:
A method of breaking gelled viscosities of oil-based gelled fracturing fluids used in low temperature formations having operating temperatures ranging between about 60.degree.-120.degree. F. which comprises treating said oil-based gelled fracturing fluids with an effective amount of a chemical breaker consisting essentially of an effective admixture of hydrated lime and sodium bicarbonate.

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patent: 4152289 (1979-05-01), Griffin, Jr.
patent: 4153649 (1979-05-01), Griffin
patent: 4174283 (1979-11-01), Griffin, Jr.
patent: 4316810 (1982-02-01), Burnham

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