Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Arthur James Mansure0
Rosalvina Ramona Guimerans0
Date of Patent
November 30, 2010
0Patent Application Number
121061150
Date Filed
April 18, 2008
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A system for forming a wellbore includes a drill tubular. A drill bit is coupled to the drill tubular. One or more cutting structures are coupled to the drill tubular above the drill bit. The cutting structures remove at least a portion of formation that extends into the wellbore formed by the drill bit.
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