Methods for stabilizing fines contained in subterranean...

E - Fixed Constructions – 21 – B

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31/23

E21B 33/138 (2006.01)

Patent

CA 1251035

ABSTRACT A method of preventing or reducing the migra- tion of fines in a permeable structure comprising contacting the fines with organic copolymers which can be either nonionic in a neutral media or can contain up to 95% by weight of a quaternary ammo- nium salt monomer.

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