Fluid loss control composition

Details Fluid loss control composition Fluid loss control composition

1993-05-03

1994-10-11

Michl, Paul R.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

524464, 252 8551, C09K 700, C08K 502, C08K 300

Patent

active

053547861

ABSTRACT:
Polymers used to prevent fluid loss from boreholes may be eliminated after a predetermined time by including with the polymer composition halogen-substituted organic acids or their salt derivatives. These components hydrolyze, releasing hydrogen-halogen acids which break down the polymers within the wellbore or formation.

REFERENCES:
patent: 2832415 (1958-04-01), Reistle, Jr.
patent: 3408296 (1968-10-01), Kuhn et al.
patent: 3605899 (1971-09-01), Tate et al.
patent: 3779914 (1973-12-01), Nimerick
patent: 3938593 (1976-02-01), Friedman
patent: 4369843 (1983-01-01), Mondshine
patent: 4487265 (1984-12-01), Watanabe
patent: 4620596 (1986-11-01), Mondshine
patent: 4621692 (1986-11-01), Mondshine
patent: 5007481 (1991-04-01), Williams et al.
SPE Paper, 18211, "Laboratory and Field of a Combined Fluid-Loss Control Additive and Gel Breaker for Fracturing Fluids," by Cantu and Boyd (1988).

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