E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
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.
488623
Company Halliburton
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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