Method for reducing the permeability of a subterranean...

E - Fixed Constructions – 21 – B

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E21B 43/25 (2006.01) C09K 8/575 (2006.01) C09K 8/88 (2006.01)

Patent

CA 1246851

ABSTRACT A method of reducing the permeability of a subterranean formation comprising contacting the formation with an aqueous polymerizable composition comprising a polymerization monomer, a polymeriza- tion catalyst having a latent period, and an alco- holic compound selected from the group consisting of a cyclic ether containing a hydroxymethylene substituent on a carbon atom bonded to the ether oxygen, an aliphatic alcohol having a carbon-to- carbon double bond or a carbon-to-carbon triple bond, and mixtures thereof.

493515

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