Method of in situ recovery of viscous oils and bitumens

Details Method of in situ recovery of viscous oils and bitumens Method of in situ recovery of viscous oils and bitumens

1976-06-23

1977-05-31

Novosad, Stephen J.

Wells

Processes

In situ combustion

166263, 166272, E21B 4324

Patent

active

040263584

ABSTRACT:
A method for recovering low-gravity viscous oils and bitumen hydrocarbons from a subterranean hydrocarbon-bearing formation by injecting thereinto a hydrocarbon solvent saturated with a gas, and thereafter establishing a thermal sink in the formation, followed by a soak period, and production of the hydrocarbons therefrom.

REFERENCES:
patent: 2862558 (1958-12-01), Dixon
patent: 2897894 (1959-08-01), Draper et al.
patent: 3036632 (1962-05-01), Koch et al.
patent: 3093191 (1963-06-01), Glass
patent: 3402770 (1968-09-01), Messenger
patent: 3459265 (1969-08-01), Buxton et al.
patent: 3572437 (1969-02-01), Marberry et al.
patent: 3768559 (1973-10-01), Allen et al.
patent: 3964546 (1976-06-01), Allen

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