Potassium hydroxide clay stabilization process

Details Potassium hydroxide clay stabilization process Potassium hydroxide clay stabilization process

1980-06-30

1981-07-28

Novosad, Stephen J.

Wells

Processes

Placing fluid into the formation

252 855R, E21B 4322

Patent

active

042805600

ABSTRACT:
An aqueous solution having potassium hydroxide dissolved therein is injected into a subterranean sandstone formation containing water-sensitive fine particles, including clays. Potassium hydroxide 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: 3777817 (1973-12-01), Henderson
Cooke, Jr., et al., "Oil Recovery by Alkaline Waterflooding", Journal of Petroleum Technology, Dec. 1974, pp. 1365-1374.

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