Electrode well for electrically heating a subterranean formation

Details Electrode well for electrically heating a subterranean formation Electrode well for electrically heating a subterranean formation

1976-12-16

1978-04-18

Purser, Ernest R.

Wells

Processes

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

52160, 174 6, 174 7, E21B 4325

Patent

active

040846393

ABSTRACT:
An improved electrode for electrically heating a subterranean formation includes a plurality of electrically conductive rod-like members that extend outwardly from a central well bore to provide increased area for conducting electrical current from a source into said subterranean formation. The improved electrode apparatus is adapted to be lowered into a well bore which has been drilled into the subterranean formation and, thereafter, the plurality of rod-like members are driven outwardly from the central well bore. Guide means are provided to direct the rod-like members outwardly into the subterranean formation as a central member is forced downwardly.

REFERENCES:
patent: 2044648 (1936-06-01), Stevens
patent: 2068545 (1937-01-01), Haig
patent: 3149672 (1964-09-01), Orkiszewski et al.
patent: 3526069 (1970-09-01), Deike
patent: 3680274 (1972-08-01), Deike

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