Oil recovery by fluorochemical surfactant waterflooding

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

1982-05-20

1984-07-17

Daus, Donald G.

Organic compounds -- part of the class 532-570 series

Organic compounds

Sulfur containing

25217422, 252352, 568 46, C07C14918, C11D 1722

Patent

active

044607911

ABSTRACT:
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.

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patent: 3821372 (1974-06-01), Vanlerberghe et al.
patent: 3906049 (1975-09-01), Hager et al.
patent: 3935277 (1976-01-01), Dear et al.
patent: 4266080 (1981-05-01), Falk et al.
patent: 4310698 (1982-01-01), Cooke
J. Moilliet et al., Surface Activity, pp. 442-443 (1961), Van Nostrand, Inc., N.J.

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