Oxyalkylated sulfonate in aqueous alkaline solution for oil...

Details Oxyalkylated sulfonate in aqueous alkaline solution for oil... Oxyalkylated sulfonate in aqueous alkaline solution for oil...

C - Chemistry, Metallurgy

09

K

31/16

C09K 8/584 (2006.01) E21B 43/22 (2006.01)

Patent

CA 1122793

OXYALKYLATED SULFONATE IN AQUEOUS ALKALINE SOLUTION FOR OIL RECOVERY (D#74,033-1-F) ABSTRACT OF THE DISCLOSURE A process for recovering hydrocarbons from a subterranean hydrocarbon-bearing formation by injecting into the formation via an injection well an aqueous alkaline flooding medium such as water, steam, etc. containing a small amount of a sulfonated, oxyalkylated interfacial tension reducer, forcing the said flooding medium through the formation and recovering hydrocarbons via a production well. -I-

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