Oil recovery by surfactant-alcohol waterflooding

Details Oil recovery by surfactant-alcohol waterflooding Oil recovery by surfactant-alcohol waterflooding

1981-02-09

1983-01-25

Guynn, Herbert B.

Compositions

Leather or fur treating

166274, 166275, E21B 4322

Patent

active

043702430

ABSTRACT:
Waterflooding process for the recovery of oil from a subterranean formation in which at least a portion of the injected water preferably comprises a preferentially oil-soluble alcohol, a sulfobetaine, a quaternary ammonium compound containing at least one long chain hydrocarbyl group and a quaternary ammonium compound with short chain hydrocarbyl groups. This formulation serves both as a surfactant and a mobility control agent.

REFERENCES:
patent: 2341500 (1944-02-01), Detling
patent: 3422890 (1969-01-01), Darley
patent: 3474865 (1969-10-01), Gogarty et al.
patent: 3797574 (1974-03-01), Feuerbacher et al.
patent: 4193452 (1980-03-01), Wilson et al.
patent: 4216097 (1980-08-01), Stournas
patent: 4236579 (1980-12-01), Kalfoglou

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