Production of bitumen from a tar sand formation

Details Production of bitumen from a tar sand formation Production of bitumen from a tar sand formation

1975-01-23

1976-05-25

Novosad, Stephen J.

Wells

Processes

Electric current or electrical wave energy through earth for...

166272, E21B 4322, E21B 4324

Patent

active

039586367

ABSTRACT:
A method of producing bitumen from a subterranean tar sand formation while heating the formation via electrical conduction between a plurality of wells completed therein characterized by a plurality of steps. First, a high back pressure is maintained on the wells. Next, an immiscible fluid is injected into the formation through one of the wells. Thereafter, the bitumen is produced through one of the wells.

REFERENCES:
patent: 2780450 (1957-02-01), Ljungstrom
patent: 2801090 (1957-07-01), Hoyer et al.
patent: 3103975 (1963-09-01), Hanson
patent: 3106244 (1963-10-01), Parker
patent: 3507330 (1970-04-01), Gill
patent: 3547192 (1970-12-01), Claridge et al.
patent: 3547193 (1970-12-01), Gill
patent: 3605888 (1971-09-01), Crowson et al.

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