Method of altering the permeability of a subterranean formation

Details Method of altering the permeability of a subterranean formation Method of altering the permeability of a subterranean formation

E - Fixed Constructions

21

B

31/21

E21B 43/22 (2006.01)

Patent

CA 1214629

ABSTRACT The production of water from a subterranean forma- tion is reduced by contacting the formation with a water dispersible hydrophilic organic polymer having a molecular weight greater than 100,000 and containing carboxyl function- ality and a crosslinking composition comprising water, a zirconium compound having a value of 4+, an alpha-hydroxy acid and an amine compound.

461572

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