Oil recovery by fluorochemical surfactant waterflooding

Details Oil recovery by fluorochemical surfactant waterflooding Oil recovery by fluorochemical surfactant waterflooding

E - Fixed Constructions

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B

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E21B 43/22 (2006.01) B23K 35/36 (2006.01) C08G 63/688 (2006.01) C08G 65/332 (2006.01) C08G 65/334 (2006.01) C08G 65/338 (2006.01) C08G 77/382 (2006.01) C09K 8/584 (2006.01) C09K 8/60 (2006.01)

Patent

CA 1141146

61-12042/CGC 872/+ Oil recovery by fluorochemical surfactant waterflooding Abstract of the Disclosure The instant invention relates to the recovery of oil from sub- terranean oil reservoirs involving the injection of an aqueous based liquid containing a fluorochemical surfactant possessing an oleo- phobic-hydrophobic fluoroaliphatic group, a hydrophilic group and an oleophilic group, optionally in conjugation with a conventional en- hanced oil recovery surfactant.

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