Device including an apparatus for measuring drilling or coring operation parameters, and equipment including such a device
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United States of America Patent
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Aug 4, 2015
Grant Date -
Nov 3, 2011
app pub date -
Mar 23, 2010
filing date -
Mar 24, 2009
priority date (Note) -
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Abstract
The invention relates to a device including an apparatus for measuring drilling or coring operation parameters using a bit attached to the end of a drill string, the measuring apparatus (10) being housed in a chamber (5) provided in a sleeve (1, 18) that is designed to be positioned between two drill pipes of the drill string or between the bit and a drill pipe of the drill string, or to form a coupling (18) for joining a cutting head (15) of the bit to a drill string, the chamber (5) leading into an axial channel (11) of the sleeve.
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