Novel surfactants for tertiary mineral oil extraction based...

Details Novel surfactants for tertiary mineral oil extraction based... Novel surfactants for tertiary mineral oil extraction based...

C - Chemistry, Metallurgy

09

K

C09K 8/584 (2006.01) B01F 17/00 (2006.01)

Patent

CA 2719153

Disclosed are surfactants of general formula R1-X in which R1 is an aliphatic C17H35- alkyl radical and X is a hydrophilic group, and the radical R1 has an average degree of branching of 2.8 to 3.7. Also disclosed are mixtures containing such surfactants as well as the use of such surfactants or the mixtures thereof for tertiary crude oil recovery.

Tensioactifs de formule générale R1-X, dans laquelle R1 est un groupe alkyle aliphatique C17H35- et X est un groupe hydrophile, le degré de ramification moyen du groupe R1 allant de 2,8 à 3,7. L'invention porte également sur des mélanges contenant des tensioactifs de ce type, sur l'utilisation de ces tensioactifs et sur leurs mélanges pour l'exploitation tertiaire de pétrole.

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