Functionally graded polycrystalline diamond insert

Details for Australian Patent Application No. 2010279358 (hide)

Owner SMITH INTERNATIONAL, INC.

Inventors Fang, Yi; Bellin, Federico; Stewart, Michael; Mourik, Nephi; Cariveau, Peter T.

Agent Griffith Hack

Pub. Number AU-A-2010279358

PCT Pub. Number WO2011/017582

Priority 61/232,151 07.08.09 US

Filing date 6 August 2010

Wipo publication date 10 February 2011

International Classifications

E21B 10/56 (2006.01) Drilling tools

E21B 10/36 (2006.01) Drilling tools - Percussion drill bits

E21B 10/50 (2006.01) Drilling tools

Event Publications

1 March 2012 PCT application entered the National Phase

  PCT publication WO2011/017582 Priority application(s): WO2011/017582

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