Formulation of surfactant to enhance crude oil recovery

Formulation of surfactant to enhance crude oil recovery

A method for improving recovery from an oil-bearing subterranean formation includes the steps of: injecting a surfactant solution into the subterranean formation, wherein the surfactant solution comprises a mixture of fatty acids and salts of the fatty acids with a mild base, whereby oil-water inter...

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Bibliographische Detailangaben
Hauptverfasser: RAUL JOSE SAUD, ROMER ALFONSO SALAS, MARIA MERCEDES CASTILLO SANCHEZ, LUIS RAFAEL MARCANO COVA, ALSIS ESPINA, XIOMARA GRACIELA GUTIERREZ SANTANA
Format: Patent
Sprache:eng
Schlagworte:
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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Beschreibung
Zusammenfassung:A method for improving recovery from an oil-bearing subterranean formation includes the steps of: injecting a surfactant solution into the subterranean formation, wherein the surfactant solution comprises a mixture of fatty acids and salts of the fatty acids with a mild base, whereby oil-water interfacial tension in the formation is reduced; and producing fluids from the formation.