Perforating torch apparatus and method
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United States of America Patent
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Mar 8, 2011
Grant Date -
Jul 15, 2010
app pub date -
Mar 17, 2010
filing date -
May 31, 2007
priority date (Note) -
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Abstract
A method of perforating a downhole pipe by cutting at a location within the pipe in a radial direction toward the pipe, producing a determined reaction force, and using the determined reaction force to enhance the cutting of the pipe. The method may include continuing cutting in the radial direction to create an opening in the pipe, and attenuating a pressure wave through the opening.
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