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Wax barrier for use with in situ processes for treating formations

United States Patent

April 27, 2010
View the Complete Patent at the US Patent & Trademark Office
Sandia National Laboratories - Visit the Intellectual Property Management and Licensing Website
Methods for forming a barrier around at least a portion of a treatment area in a subsurface formation are described herein. A material including wax may be introduced into one or more wellbores. The material introduced into two or more wells may mix in the formation and congeal to form a barrier to fluid flow.
Vinegar; Harold J. (Bellaire, TX), Carter; Ernest E. (Sugar Land, TX), Son; Jaime Santos (Houston, TX), Bai; Taixu (Katy, TX), Khoda Verdian; Mohamad Fereydoon (The Woodlands, TX)
Shell Oil Company (Houston, TX)
11/ 975,714
October 19, 2007
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. 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.