Potassium silicate clay stabilization process

Details Potassium silicate clay stabilization process Potassium silicate clay stabilization process

E - Fixed Constructions

21

B

31/33

E21B 43/12 (2006.01) C09K 17/12 (2006.01)

Patent

CA 1247356

POTASSIUM SILICATE CLAY STABILIZATION PROCESS 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 stabi- lizes the fine particles for a substantial period of time thereby sub- stantially preventing formation permeability damage caused by encroach- ment of aqueous solutions having a distinct ionic makeup into the treated formation.

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