Micellar slug for oil recovery

Details Micellar slug for oil recovery Micellar slug for oil recovery

1983-01-17

1985-07-30

Guynn, Herbert B.

Compositions

Leather or fur treating

166274, E21B 4322

Patent

active

045320535

ABSTRACT:
A micellar slug for use in the recovery of oil, the slug containing a hydrocarbon, an aqueous medium, a surfactant, and a cosurfactant. The surfactant contains as an essential component an internal olefin sulfonate. This micellar slug has an excellent capability for decreasing an interfacial tension between oil and water and an excellent salinity tolerance and hard-water resistance. Furthermore, the micro-emulsion can be formed from this micellar slug in a wide composition range.

REFERENCES:
patent: 3376336 (1968-04-01), Stein et al.
patent: 3428654 (1969-02-01), Rubinfeld et al.
patent: 3506070 (1970-04-01), Jones
patent: 3508611 (1970-04-01), Davis et al.
patent: 3536136 (1970-10-01), Jones
patent: 3808156 (1974-04-01), Gorsich et al.
patent: 3981361 (1976-09-01), Healy
patent: 3990515 (1976-11-01), Wilchester et al.

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