Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
James Shamburger0
Vincent Salvo0
Date of Patent
November 30, 2010
0Patent Application Number
122188320
Date Filed
July 18, 2008
0Patent Primary Examiner
Patent abstract
A drill bit, insert and method useful for subterranean drilling, or forming boreholes in subterranean formations is provided. More particularly, a more efficient cutting structure and method is provided in the central portion of a PDC drill bit. The present invention provides a drill bit, insert and method having a central cutting portion with a more normalized angle of attack. The drill bit of the present invention provides for various attack angles much closer to the optimum side rake.
Timeline
No Timeline data yet.
Further Resources
No Further Resources data yet.
