Process for the enhanced recovery of oil by injection of a polymer solution

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United States of America Patent

PATENT NO 9631135
APP PUB NO 20140326458A1
SERIAL NO

14366198

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Abstract

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Process for enhanced oil recovery employing an aqueous solution comprising at least one linear or structured water-soluble copolymer obtained by polymerization:

    of at least 10 mol % of 2-acrylamido-2-methylpropanesulfonic acid monomer in the free acid and/or salified form,of at least 10 mol % of at least one comonomer chosen from the group consisting of acrylamide, N-vinylpyrrolidone (NVP) and acrylamide-derived monomers of formula (I):

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Patent Owner(s)

Patent OwnerAddress
S P C M SAZAC DE MILIEUX ANDREZIEUX BOUTHEON F-42160

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Darras, Sylvain Saint Georges Hauteville, FR 1 14
Favero, Cèdrick Saint Romain le Puy, FR 1 0
Giovannetti, Bruno Saint Etienne, FR 5 42

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