Sulfonate-containing polymer/polyanionic cellulose combination f

Details Sulfonate-containing polymer/polyanionic cellulose combination f Sulfonate-containing polymer/polyanionic cellulose combination f

1989-11-16

1991-04-16

Stoll, Robert L.

Compositions

Leather or fur treating

252 8512, 252 8513, 252 8514, C09K 702

Patent

active

050080253

ABSTRACT:
A method and composition for improving high temperature and high pressure filtration control in a water base drilling fluid is described. Polyanionic cellulose is combined with a synthetic sulfonate containing vinyl polymer into a drilling fluid to provide for unexpectedly improved filtration control.

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