Method of heating a subterranean formation

Details Method of heating a subterranean formation Method of heating a subterranean formation

1974-12-23

1976-01-13

Novosad, Stephen J.

Wells

Processes

Specific pattern of plural wells

166248, 166272, E21B 4320, E21B 4324

Patent

active

039318567

ABSTRACT:
An improved method of recovering a fluid from a subterranean formation via heating by electrical conduction between a plurality of wells completed therein, the improvement comprising drilling and completing a satellite well open to the formation and adjacent an electrode well, injecting water containing dissolved electrolyte into the formation via the electrode well having an adjacent satellite well, establishing fluid communication between the electrode well and the satellite well, and circulating the water containing dissolved electrolyte between the electrode well and adjacent satellite well. This invention increases the electrical conductivity in the formation and about the wells where the current flux is greatest and makes possible larger current than would otherwise be possible with a given voltage differential. Also disclosed are specific embodiments.

REFERENCES:
patent: 2801090 (1957-07-01), Hoyer et al.
patent: 2818118 (1957-12-01), Dixon
patent: 3103975 (1963-09-01), Hanson
patent: 3106244 (1963-10-01), Parker
patent: 3259186 (1966-07-01), Dietz
patent: 3380525 (1968-04-01), Altamira et al.
patent: 3547192 (1970-12-01), Claridge et al.
patent: 3605888 (1971-09-01), Crowson et al.

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