Method and device for core drilling

Details for Australian Patent Application No. 2009263053 (hide)

Owner Atlas Copco Rock Drills AB

Inventors Brostrom, Johan

Agent Watermark

Pub. Number AU-A-2009263053

PCT Pub. Number WO2009/157837

Priority 0801522-4 27.06.08 SE

Filing date 8 June 2009

Wipo publication date 30 December 2009

International Classifications

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

E21B 47/09 (2006.01) Survey of boreholes or wells

Event Publications

20 January 2011 PCT application entered the National Phase

  PCT publication WO2009/157837 Priority application(s): WO2009/157837

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