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Publication numberCA2538439 A1
Publication typeApplication
Application numberCA 2538439
PCT numberPCT/US2004/007251
Publication date23 Sep 2004
Filing date10 Mar 2004
Priority date11 Mar 2003
Also published asCA2538439C, CN1777735A, CN1777735B, DE602004027355D1, EP1604094A2, EP1604094B1, US7055602, US7137447, US7229950, US7262153, US7612022, US20040177958, US20060027363, US20060185845, US20060189486, US20070079964, WO2004081342A2, WO2004081342A3
Publication numberCA 2538439, CA 2538439 A1, CA 2538439A1, CA-A1-2538439, CA2538439 A1, CA2538439A1, PCT/2004/7251, PCT/US/2004/007251, PCT/US/2004/07251, PCT/US/4/007251, PCT/US/4/07251, PCT/US2004/007251, PCT/US2004/07251, PCT/US2004007251, PCT/US200407251, PCT/US4/007251, PCT/US4/07251, PCT/US4007251, PCT/US407251
InventorsPaul Gregory Shpakoff, Kirk Herbert Raney
ApplicantShell Internationale Research Maatschappij B.V., Paul Gregory Shpakoff, Kirk Herbert Raney
Export CitationBiBTeX, EndNote, RefMan
External Links: CIPO, Espacenet
Method and composition for enhanced hydrocarbons recovery
CA 2538439 A1
Abstract
A method of treating a hydrocarbon containing formation is described. The method may include providing a hydrocarbon recovery composition to the hydrocarbon containing formation. Hydrocarbons in the hydrocarbon containing formation may interact with the hydrocarbon recovery composition. The hydrocarbon recovery composition may include an aliphatic anionic surfactant and an aliphatic nonionic additive. In some embodiments, an aliphatic anionic surfactant may be branched. In other embodiments, an aliphatic nonionic additive may be branched.
Description  available in
Claims
Classifications
International ClassificationC09K8/584, E21B43/22
Cooperative ClassificationC09K8/584
European ClassificationC09K8/584
Legal Events
DateCodeEventDescription
24 Feb 2009EEERExamination request