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Parallel heater system for subsurface formations

United States Patent

October 25, 2011
View the Complete Patent at the US Patent & Trademark Office
Sandia National Laboratories - Visit the Intellectual Property Management and Licensing Website
A heating system for a subsurface formation is disclosed. The system includes a plurality of substantially horizontally oriented or inclined heater sections located in a hydrocarbon containing layer in the formation. At least a portion of two of the heater sections are substantially parallel to each other. The ends of at least two of the heater sections in the layer are electrically coupled to a substantially horizontal, or inclined, electrical conductor oriented substantially perpendicular to the ends of the at least two heater sections.
Harris; Christopher Kelvin (Houston, TX), Karanikas; John Michael (Houston, TX), Nguyen; Scott Vinh (Houston, TX)
Shell Oil Company (Houston, TX)
12/ 106,078
April 18, 2008
GOVERNMENT INTEREST The Government has certain rights in the invention pursuant to Agreement Nos. SD 10634 and NFE 062050824 between Sandia National Laboratories (operating under Agreement DE-AC04-94AL85000Sa for the U.S. Department of Energy) and Shell Exploration and Production Company.