Recovery of heavy oil

Details Recovery of heavy oil Recovery of heavy oil

C - Chemistry, Metallurgy

10

G

196/19

C10G 1/04 (2006.01)

Patent

CA 1293464

6461(2) ABSTRACT OF THE DISCLOSURE RECOVERY OF HEAVY OIL Heavy crude oil is recovered from tar sands by treatment with an aqueous solution containing a surfactant, e.g., an alkyl aryl sulphonate and a hydrophilic alkylene oxide polymer, e.g., polyethylene oxide. Adding the alkylene oxide polymer enables the surfactant to be used in lower concentration and/or recovery to be increased.

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