Compositions – Leather or fur treating
Patent
1986-04-07
1987-07-07
Guynn, Herbert B.
Compositions
Leather or fur treating
252 851, C09K 702
Patent
active
046785914
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 RP13 (B), sixth edition, Apr. 1976, pp. 1-33, "Standard Procedure for Testing Drilling Fluids".
Giddings David M.
Williamson Charles D.
Cupoli Anthony L.
Epple Donald G.
Guynn Herbert B.
Nalco Chemical Company
Premo John G.
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