Floating insulated conductors for heating subsurface formations
Abstract
A heating system for a subsurface formation includes a conduit located in a first opening in the subsurface formation. Three electrical conductors are located in the conduit. A return conductor is located inside the conduit. The return conductor is electrically coupled to the ends of the electrical conductors distal from the surface of the formation. Insulation is located inside the conduit. The insulation electrically insulates the three electrical conductors, the return conductor, and the conduit from each other.
- Inventors:
- Issue Date:
- Research Org.:
- Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1149915
- Patent Number(s):
- 8,791,396
- Application Number:
- 12/106,065
- Assignee:
- Shell Oil Company (Houston, TX)
- DOE Contract Number:
- AC04-94AL85000Sa
- Resource Type:
- Patent
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 42 ENGINEERING
Citation Formats
Burns, David, and Goodwin, Charles R. Floating insulated conductors for heating subsurface formations. United States: N. p., 2014.
Web.
Burns, David, & Goodwin, Charles R. Floating insulated conductors for heating subsurface formations. United States.
Burns, David, and Goodwin, Charles R. Tue .
"Floating insulated conductors for heating subsurface formations". United States. https://www.osti.gov/servlets/purl/1149915.
@article{osti_1149915,
title = {Floating insulated conductors for heating subsurface formations},
author = {Burns, David and Goodwin, Charles R.},
abstractNote = {A heating system for a subsurface formation includes a conduit located in a first opening in the subsurface formation. Three electrical conductors are located in the conduit. A return conductor is located inside the conduit. The return conductor is electrically coupled to the ends of the electrical conductors distal from the surface of the formation. Insulation is located inside the conduit. The insulation electrically insulates the three electrical conductors, the return conductor, and the conduit from each other.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2014},
month = {7}
}
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