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Method and apparatus for in-densification of geomaterials for sealing applications

United States Patent

*** EXPIRED ***
April 22, 1997
View the Complete Patent at the US Patent & Trademark Office
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A method and apparatus (10) for forming improved seals in boreholes (101) formed in host rock (100) by using the apparatus (10) to introduce a feedstock (60) into the borehole (101) and simultaneously subject the introduced feedstock to both compressive and shear stresses until the borehole becomes filled and sealed.
Finley; Ray E. (Albuquerque, NM), Zeuch; David H. (Albuquerque, NM)
The United States of America as represented by the United States (Washington, DC)
08/ 430,043
April 27, 1995
The United States Government has rights in this invention pursuant to Contract No. DE-AC04-76DP00789 between the U.S. Department of Energy and American Telephone and Telegraph Company.