Terpolymer composition for aqueous drilling fluids

Details Terpolymer composition for aqueous drilling fluids Terpolymer composition for aqueous drilling fluids

1986-04-07

1987-07-07

Guynn, Herbert B.

Compositions

Leather or fur treating

252 851, C09K 702

Patent

active

046785914

ABSTRACT:
A method of improving high temperature fluid loss and rheology stabilization of high calcium brine clay-containing oil well drilling fluids which comprises adding thereto a stabilizing amount of a water-soluble terpolymer composition comprising:

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patent: 3266887 (1966-08-01), Kramer et al.
patent: 3639263 (1972-02-01), Troscinski et al.
patent: 3700728 (1972-10-01), Moschopedis et al.
patent: 3985659 (1976-10-01), Felicetta et al.
patent: 4374738 (1983-02-01), Kelly
patent: 4502964 (1985-03-01), Giddings et al.
patent: 4547299 (1985-10-01), Lucas
patent: 4650593 (1987-03-01), Slingerland
American Petroleum Institute, publication RP13 (B), sixth edition, Apr. 1976, pp. 1-33, "Standard Procedure for Testing Drilling Fluids".

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