ADDITION OF NONIONIC SURFACTANTS TO WATER SOLUBLE BLOCK COPOLYMERS TO INCREASE THE STABILITY OF THE COPOLYMER IN AQUEOUS SOLUTIONS CONTAINING SALT AND/OR SURFACTANTS

An aqueous fluid useful for the recovery of crude oil from a subterranean formation, which includes a composition including a mixture of water, a water soluble block copolymer, an inorganic salt and at least one member of the group of a nonionic surfactant having an HLB of less than 12, and methods...

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Main Authors ADAM, HERVE, CASTAING, JEANRISTOPHE, KESAVAN, SUBRAMANIAN, LIZARRAGA, GILDA, MARIA, HOUGH, LAWRENCE, ALAN
Format Patent
LanguageEnglish
French
German
Published 27.04.2011
Subjects
ADHESIVES
CHEMISTRY
DYES
MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE
METALLURGY
MISCELLANEOUS APPLICATIONS OF MATERIALS
MISCELLANEOUS COMPOSITIONS
NATURAL RESINS
PAINTS
POLISHES
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Summary:An aqueous fluid useful for the recovery of crude oil from a subterranean formation, which includes a composition including a mixture of water, a water soluble block copolymer, an inorganic salt and at least one member of the group of a nonionic surfactant having an HLB of less than 12, and methods for using same.
Bibliography:Application Number: EP20080846123