Methods for forming long subsurface heaters

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United States of America Patent

PATENT NO 8536497
APP PUB NO 20090194524A1
SERIAL NO

12250346

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A method for forming a longitudinal subsurface heater includes longitudinally welding an electrically conductive sheath of an insulated conductor heater along at least one longitudinal strip of metal. The longitudinal strip is formed into a tubular around the insulated conductor heater with the insulated conductor heater welded along the inside surface of the tubular.

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Patent Owner(s)

  • SHELL OIL COMPANY

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kim, Dong Sub Houston, US 54 2362

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