Polycrystalline diamond material with high toughness and high wear resistance

Details for Australian Patent Application No. 2010279366 (hide)

Owner SMITH INTERNATIONAL, INC.

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

Agent Griffith Hack

Pub. Number AU-A-2010279366

PCT Pub. Number WO2011/017590

Priority 61/232,134 07.08.09 US

Filing date 6 August 2010

Wipo publication date 10 February 2011

International Classifications

E21B 10/46 (2006.01) Drilling tools - characterised by wear resisting parts, e.g. diamond inserts

E21B 10/08 (2006.01) Drilling tools - Roller bits

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

E21B 10/48 (2006.01) Drilling tools

E21B 10/50 (2006.01) Drilling tools

E21B 10/56 (2006.01) Drilling tools

Event Publications

1 March 2012 PCT application entered the National Phase

  PCT publication WO2011/017590 Priority application(s): WO2011/017590

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