Electrode well for electrically heating a subterranean formation
Patent
·
OSTI ID:6817376
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.
- Assignee:
- Petro Canada Exploration Inc.
- Patent Number(s):
- US 4084639
- OSTI ID:
- 6817376
- Country of Publication:
- United States
- Language:
- English
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