Sonic drill bit for core sampling

Details for Australian Patent Application No. 2009246389 (hide)

Owner Longyear TM, Inc.

Inventors Oothoudt, Thomas J.

Agent Phillips Ormonde Fitzpatrick

Pub. Number AU-A-2009246389

PCT Pub. Number WO2009/140400

Priority 61/052,904 13.05.08 US; 12/346,395 30.12.08 US

Filing date 13 May 2009

Wipo publication date 19 November 2009

International Classifications

E21B 10/02 (2006.01) Drilling tools

E21B 25/00 (2006.01) Apparatus for obtaining or removing undisturbed cores, e.g. core barrels, core extractors

E21B 49/02 (2006.01) Testing the nature of borehole walls

Event Publications

28 October 2010 PCT application entered the National Phase

  PCT publication WO2009/140400 Priority application(s): WO2009/140400

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