发明名称 Oil recovery by fluorochemical surfactant waterflooding
摘要 The instant invention relates to the recovery of oil from subterranean oil reservoirs involving the injection of an aqueous based liquid containing a fluorochemical surfactant possessing an oleophobic-hydrophobic fluoroaliphatic group, a hydrophilic group and an oleophilic group, optionally in conjugation with a conventional enhanced oil recovery surfactant.
申请公布号 US4460791(A) 申请公布日期 1984.07.17
申请号 US19820380372 申请日期 1982.05.20
申请人 CIBA-GEIGY CORPORATION 发明人 COOKE, THOMAS W.
分类号 B23K35/36;C08G63/688;C08G65/332;C08G65/334;C08G65/338;C08G77/382;(IPC1-7):C07C149/18;C11D1/72 主分类号 B23K35/36
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