Insulated conductor heaters with semiconductor layers

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United States of America Patent

PATENT NO 8939207
SERIAL NO

13083200

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A heater used to heat a subsurface formation includes an electrical conductor, a semiconductor layer at least partially surrounding the electrical conductor, an insulation layer at least partially surrounding the electrical conductor, an electrically conductive sheath at least partially surrounding the insulation layer. The heater may be located in an opening in the subsurface formation.

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Patent Owner(s)

  • SHELL OIL COMPANY

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
De, St Remey Edward Everett Katy, US 15 299
Giuliani, Valerio Calgary, CA 2 205
Harris, Christopher Kelvin Calgary, CA 28 4034

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