Coupling for dual member pipe

Details for Australian Patent Application No. 2004254383 (hide)

Owner The Charles Machine Works, Inc.

Inventors Payne, David R.; Gunsaulis, Floyd R.; Self, Kelvin P.

Agent Knightsbridge Patent Attorneys

Pub. Number AU-B-2004254383

PCT Pub. Number WO2005/003505

Priority 60/483,151 27.06.03 US

Filing date 28 June 2004

Wipo publication date 13 January 2005

Acceptance publication date 26 November 2009

International Classifications

E21B 7/04 (2006.01) Special methods or apparatus for drilling - Directional drilling

E21B 17/03 (2006.01) Drilling rods or pipes

E21B 17/07 (2006.01) Drilling rods or pipes

E21B 19/08 (2006.01) Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick

Event Publications

22 December 2005 PCT application entered the National Phase

  PCT publication WO2005/003505 Priority application(s): WO2005/003505

26 November 2009 Application Accepted

  Published as AU-B-2004254383

25 March 2010 Standard Patent Sealed

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