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Double barrier system for an in situ conversion process

United States Patent

May 5, 2009
View the Complete Patent at the US Patent & Trademark Office
Oak Ridge National Laboratory - Visit the Partnerships Directorate Website
A barrier system for a subsurface treatment area is described. The barrier system includes a first barrier formed around at least a portion of the subsurface treatment area. The first barrier is configured to inhibit fluid from exiting or entering the subsurface treatment area. A second barrier is formed around at least a portion of the first barrier. A separation space exists between the first barrier and the second barrier.
McKinzie; Billy John (Houston, TX), Vinegar; Harold J. (Bellaire, TX), Cowan; Kenneth Michael (Sugar land, TX), Deeg; Wolfgang Friedrich Johann (Houston, TX), Wong; Sau-Wai (Rijswijk, NL)
Shell Oil Company (Houston, TX)
11/ 409,557
April 21, 2006
GOVERNMENT INTEREST The Government has certain rights in this invention pursuant to Agreement No. ERD-05-2516 between UT-Battelle, LLC, operating under prime contract No. DE-ACO5-00OR22725 for the US Department of Energy and Shell Exploration and Production Company.