Clay stabilizer

Details Clay stabilizer Clay stabilizer

1992-05-04

1994-08-30

Geist, Gary

Compositions

Leather or fur treating

166275, 166308, E21B 4326

Patent

active

053425308

ABSTRACT:
A composition suitable as an additive in down-hole fluid for inhibiting clay swelling in a down-hole formation is comprised of an aqueous solution of a quaternary amine-based cationic polyelectrolyte and salt(s). The cation of the salt(s) may be a divalent salt cation, a choline cation, are certain N-substituted quaternary ammonium salt cations. The salt(s) anion may be a monovalent inorganic anion or an anion derived from an organic acid having from 2 to 6 carbons.

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