US Patent 7841425 Drilling subsurface wellbores with cutting structures
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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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Patent Inventor Names
Arthur James Mansure0
Rosalvina Ramona Guimerans0
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US Patent 07841425 Drilling subsurface wellbores with cutting structures US Patent 7841425 Drilling subsurface wellbores with cutting structures
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Patent Number
078414250
Patent Number
78414250
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Official Website
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Patent Jurisdiction
Patent Number
078414250
Date of Patent
November 30, 2010
0Patent Application Number
121061150
Date Filed
April 18, 2008
0Official Website
Patent Primary Examiner
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US Patent 07841425 Drilling subsurface wellbores with cutting structures
Infobox
Is a
Patent jurisdiction
Patent number
07841425
Date of patent
November 30, 2010
Patent application number
12106115
Date Filed
April 18, 2008
Patent primary examiner
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