Method for reducing power loss associated with electrical heating of a subterranean formation
US4010799A · kind A · utility
295Cited by
5References
1Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Sep 15, 1975 |
| Grant date | Mar 8, 1977 |
| Priority date | — |
| Expiry date | Sep 15, 1995 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B43/2401
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
Method for reducing the loss of power accompanying the transmission of electrical energy down a wellbore to heat a subterranean formation via electrical conduction between a plurality of wells completed therein, characterized by providing a low frequency alternating current to the conductors in the wellbore. Also disclosed are specific embodiments of the invention.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.