FOAM-FORMING SURFACTANT COMPOSITIONS

This invention relates to a foam-forming surfactant composition comprising at least two surfactants whereof at least one is a sulfosuccinamate, and at least one is a sulfosuccinate, and optionally, a solvent, and to a method of recovering oil or gas comprising the steps of generating a foam, feeding...

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Bibliographic Details
Main Authors Lee, Dongcheel, Kim, Eunyong, Vanzin, David
Format Patent
LanguageEnglish
French
German
Published 07.12.2016
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:This invention relates to a foam-forming surfactant composition comprising at least two surfactants whereof at least one is a sulfosuccinamate, and at least one is a sulfosuccinate, and optionally, a solvent, and to a method of recovering oil or gas comprising the steps of generating a foam, feeding the foam into a subterranean oil- or gas-bearing geological formation, and collecting mineral oil or natural gas driven by the foam in a production well, wherein the foam is generated by intimate mixing of the foam-forming surfactant composition with a gas in a foam generator, or by introduction of at least one of water and gases, together or intermittently or in alternating sequence, slugs of a gas which may be in a supercritical or non-supercritical state, and of water, wherein the foam-forming surfactant composition can be admixed to the water or to the gas if the gas is in a supercritical state or be introduced separately as solution into the formation.
Bibliography:Application Number: EP20150170153