Drilling mud additive

Details Drilling mud additive Drilling mud additive

1985-07-26

1987-05-12

Guynn, Herbert B.

Compositions

Leather or fur treating

252 851, C09K 702

Patent

active

046648186

ABSTRACT:
An additive for drilling in water-sensitive shales comprising a partially hydrolyzed acrylamide-acrylate copolymer, potassium chloride and a polyanionic cellulose.

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