Apparatus and methods for tubular makeup interlock

Details for Australian Patent Application No. 2008245622 (hide)

Owner Weatherford/Lamb, Inc.

Inventors Pietras, Bernd-Georg; Abrahamsen, Egill

Agent Pizzeys

Pub. Number AU-B-2008245622

PCT Pub. Number WO2008/134581

Priority 60/926,502 27.04.07 US

Filing date 25 April 2008

Wipo publication date 6 November 2008

Acceptance publication date 8 September 2011

International Classifications

E21B 19/16 (2006.01) Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick

E21B 47/00 (2006.01) Survey of boreholes or wells

Event Publications

19 November 2009 PCT application entered the National Phase

  PCT publication WO2008/134581 Priority application(s): WO2008/134581

8 September 2011 Application Accepted

  Published as AU-B-2008245622

19 January 2012 Standard Patent Sealed

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