METHOD FOR EXTENDING A NETWORK OF EXISTING FRACTURES
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United States of America Patent
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Issued Date -
Jun 19, 2014
app pub date -
Jul 26, 2012
filing date -
Aug 4, 2011
priority date (Note) -
Abandoned
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Abstract
The present invention relates to a method for extending a network of existing fractures in a subterranean formation. This method comprises pumping a first fluid into a pressurized volume to pressurize a compressible fluid in said pressurized volume to a predetermined pressure and releasing a second fluid out of the pressurized volume in a confined volume connected to the existing fractures, the second fluid being released due to a relaxation of the pressurized compressible fluid in the pressurized volume. Moreover, the release of second fluid exerts pressures in the existing fractures exceeding a fracturing threshold of the subterranean formation.
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