Polymers for use in drilling muds

Details Polymers for use in drilling muds Polymers for use in drilling muds

1989-04-25

1991-07-16

Stoll, Robert L.

Compositions

Leather or fur treating

252 8511, 252 8513, 252 8514, 526273, 526277, 526278, C08F 3002, C09K 702

Patent

active

050322958

ABSTRACT:
A polymer for use as a deflocculant in drilling muds comprising at least one unsaturated carboxylic acid or its anhydride or salt, at least one unsaturated sulfonic acid or its salt, at least one unsaturated cationic-containing monomer, and optionally, one or more unsaturated non-ionic monomer and/or one mono or di phosphate ester of an unsaturated alcohol.

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