Breakout wrench system

Details for Australian Patent Application No. 2011224823 (hide)

Owner Caterpillar Global Mining Equipment LLC

Inventors Connell, Stuart A.

Agent Freehills

Pub. Number AU-A-2011224823

PCT Pub. Number WO2011/112274

Priority 12/722,080 11.03.10 US

Filing date 13 January 2011

Wipo publication date 15 September 2011

International Classifications

E21B 19/16 Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick

B25B 13/50 Spanners

E21B 7/02 Special methods or apparatus for drilling - Drilling rigs characterised by means for land transport, e.g. skid mounting or wheel mounting

E21B 19/14 Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick

Event Publications

6 September 2012 PCT application entered the National Phase

  PCT publication WO2011/112274 Priority application(s): WO2011/112274

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