Calcium tolerant deflocculant for drilling fluids

Details Calcium tolerant deflocculant for drilling fluids Calcium tolerant deflocculant for drilling fluids

1987-08-24

1988-09-13

Guynn, Herbert B.

Compositions

Leather or fur treating

252 851, C09K 702

Patent

active

047707950

ABSTRACT:
A high calcium containing drilling fluid having a 0.1-10 pounds per barrel of a deflocculant which is a water-soluble acrylic polymer which contains from 5-50 mole percent of one or more of the following:

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American Petroleum Institute, publication RP13 (B), Sixth Edition, Apr. 1976, pp. 1-33, "Standard Procedure for Testing Drilling Fluids".

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