Method and device for positioning a power tong at a pipe joint

Details for Australian Patent Application No. 2006317785 (hide)

Owner V-Tech AS

Inventors Halse, Helge-Ruben

Agent Griffith Hack

Pub. Number AU-B-2006317785

PCT Pub. Number WO2007/061315

Priority 20055576 25.11.05 NO

Filing date 23 November 2006

Wipo publication date 31 May 2007

Acceptance publication date 17 December 2009

International Classifications

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

E21B 19/20 (2006.01) Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick

Event Publications

12 June 2008 PCT application entered the National Phase

  PCT publication WO2007/061315 Priority application(s): WO2007/061315

17 December 2009 Application Accepted

  Published as AU-B-2006317785

15 April 2010 Standard Patent Sealed

8 September 2011 Application for Amendment

  The nature of the amendment is: Amend the applicant name from V-Tech AS to Weatherford Rig Systems AS. Address for service in Australia - Fisher Adams Kelly Level 29 12 Creek Street Brisbane QLD 4000

19 January 2012 Alteration of Name

  The name of the patentee has been altered to Weatherford Rig Systems AS 2007

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