Method of treating heterogeneous formation with potassium...

Details Method of treating heterogeneous formation with potassium... Method of treating heterogeneous formation with potassium...

E - Fixed Constructions

21

B

166/17

E21B 43/12 (2006.01) C09K 8/60 (2006.01) C09K 8/84 (2006.01)

Patent

CA 1291420

ABSTRACT METHOD OF TREATING HETEROGENEOUS FORMATION WITH POTASSIUM HYDROXIDE Solid KCl is present in the front portion of a KOH treatment solution to facilitate placement of the solution in low permeability zones of a subterranean formation wherein KOH treatment is desired. The solid KCl temporarily plugs the high permeability zones enabling the KOH solution to enter the low permeability zones. After a period of time the solid dissolves in situ restoring permeability to the formation.

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