Potassium silicate clay stabilization process

Details Potassium silicate clay stabilization process Potassium silicate clay stabilization process

1985-03-27

1986-12-02

Suchfield, George A.

Wells

Processes

Cementing, plugging or consolidating

166300, 1663051, 252 8551, 405263, E21B 4312

Patent

active

046258027

ABSTRACT:
An aqueous solution having potassium silicate dissolved therein is injected into a subterranean sandstone formation containing water-sensitive fine particles, including clays. Potassium silicate stabilizes the fine particles for a substantial period of time thereby substantially preventing formation permeability damage caused by encroachment of aqueous solutions having a distinct ionic makeup into the treated formation.

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patent: 4458755 (1984-07-01), Southwick et al.
patent: 4521136 (1985-06-01), Murphey
Moore, "Clay Mineralogy Problems in Oil Recovery: Part 1", The Petroleum Engineer, Feb. 1960, pp. B40-B47.
Moore, "Clay Mineralogy Problems in Oil Recovery: Part 2", The Petroleum Engineer, Mar. 1960, pp. B78-B100.

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