Terpolymer composition for aqueous drilling fluids

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

1988-12-20

1992-03-24

Stoll, Robert L.

Earth boring, well treating, and oil field chemistry

Earth boring

Contains organic component

524705, 524735, 507107, 507108, 507120, 507121, C09K 702

Patent

active

RE0338559

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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American Petroleum Institute, publication RP 13(B), 6th ed., Apr. 1976, pp. 1-33, "Standard Procedure for Testing Drilling Fluids".

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