Molten salt as a heat transfer fluid for heating a subsurface formation
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United States of America Patent
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Nov 16, 2010
Issued Date -
N/A
app pub date -
Apr 18, 2008
filing date -
Apr 20, 2007
priority date (Note) -
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Abstract
A heating system for a subsurface formation includes a conduit located in an opening in the subsurface formation. An insulated conductor is located in the conduit. A material is in the conduit between a portion of the insulated conductor and a portion of the conduit. The material may be a salt. The material is a fluid at operating temperature of the heating system. Heat transfers from the insulated conductor to the fluid, from the fluid to the conduit, and from the conduit to the subsurface formation.
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