Terpolymer compositions for aqueous drilling fluids
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United States of America
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Mar 24, 1992
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N/A
app pub date -
Jan 15, 1988
filing date -
Apr 7, 1986
priority date (Note) -
Expired
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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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