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Downhole burner systems and methods for heating subsurface formations

United States Patent

May 31, 2011
View the Complete Patent at the US Patent & Trademark Office
Sandia National Laboratories - Visit the Intellectual Property Management and Licensing Website
A gas burner assembly for heating a subsurface formation includes an oxidant conduit, a fuel conduit, and a plurality of oxidizers coupled to the oxidant conduit. At least one of the oxidizers includes a mix chamber for mixing fuel from the fuel conduit with oxidant from the oxidant conduit, an igniter, and a shield. The shield includes a plurality of openings in communication with the oxidant conduit. At least one flame stabilizer is coupled to the shield.
Farmayan; Walter Farman (Houston, TX), Giles; Steven Paul (Damon, TX), Brignac, Jr.; Joseph Phillip (Katy, TX), Munshi; Abdul Wahid (Houston, TX), Abbasi; Faraz (Sugarland, TX), Clomburg; Lloyd Anthony (Houston, TX), Anderson; Karl Gregory (Missouri City, TX), Tsai; Kuochen (Katy, TX), Siddoway; Mark Alan (Katy, TX)
Shell Oil Company (Houston, TX)
12/ 106,134
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.