The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 05, 2009
Filed:
Apr. 21, 2006
Billy John Mckinzie, Houston, TX (US);
Harold J. Vinegar, Bellaire, TX (US);
Kenneth Michael Cowan, Sugar land, TX (US);
Wolfgang Friedrich Johann Deeg, Houston, TX (US);
Sau-wai Wong, Rijswijk, NL;
Billy John McKinzie, Houston, TX (US);
Harold J. Vinegar, Bellaire, TX (US);
Kenneth Michael Cowan, Sugar land, TX (US);
Wolfgang Friedrich Johann Deeg, Houston, TX (US);
Sau-Wai Wong, Rijswijk, NL;
Shell Oil Company, Houston, TX (US);
Abstract
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.