Heating systems for heating subsurface formations

Nguyen, Scott Vinh; Vinegar, Harold J

Heating systems for heating subsurface formations

Patent · Tue Apr 26 00:00:00 EDT 2011

OSTI ID:1016684

Nguyen, Scott Vinh ^[1]; Vinegar, Harold J ^[2]

Houston, TX
Bellaire, TX

Methods and systems for heating a subsurface formation are described herein. A heating system for a subsurface formation includes a sealed conduit positioned in an opening in the formation and a heat source. The sealed conduit includes a heat transfer fluid. The heat source provides heat to a portion of the sealed conduit to change phase of the heat transfer fluid from a liquid to a vapor. The vapor in the sealed conduit rises in the sealed conduit, condenses to transfer heat to the formation and returns to the conduit portion as a liquid.

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Research Organization:: Shell Oil Company (Houston, TX)

Sponsoring Organization:: USDOE

DOE Contract Number:: AC04-94AL85000

Assignee:: Shell Oil Company (Houston, TX)

Patent Number(s):: 7,931,086

Application Number:: US Patent Application 12/106,060

OSTI ID:: 1016684

Country of Publication:: United States

Language:: English

References (26)

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