Drilling fluids

Details Drilling fluids Drilling fluids

1981-12-16

1984-01-10

Guynn, Herbert B.

Compositions

Leather or fur treating

252 85A, C09K 702

Patent

active

044252412

ABSTRACT:
Polyethylene glycols in combination with at least one water-dispersible polymeric viscosifier comprising cellulose ethers, cellulose sulfate esters, polyacrylamides, guar gum, or heteropolysaccharides improve the water loss properties of water-based drilling fluids, particularly in hard brine environments.

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