Drilling unit, method for slot drilling and slotting device

Details for Australian Patent Application No. 2008353952 (hide)

Owner SANDVIK MINING AND CONSTRUCTION OY

Inventors Manttari, Maunu

Agent Griffith Hack

Pub. Number AU-B-2008353952

PCT Pub. Number WO2009/122001

Filing date 3 April 2008

Wipo publication date 8 October 2009

Acceptance publication date 24 November 2011

International Classifications

E21B 19/24 (2006.01) Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick

E21B 7/28 (2006.01) Special methods or apparatus for drilling

E21C 25/58 (2006.01) Cutting

Event Publications

25 November 2010 PCT application entered the National Phase

  PCT publication WO2009/122001 Priority application(s): WO2009/122001

24 November 2011 Application Accepted

  Published as AU-B-2008353952

22 March 2012 Standard Patent Sealed

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