Methods and apparatus for severing nested strings of tubulars

Details for Australian Patent Application No. 2002251182 (hide)

Owner Weatherford/Lamb, Inc.

Inventors Akerlund, Tor Jan; Fotland, Per

Agent Griffith Hack

Pub. Number AU-B-2002251182

PCT Pub. Number WO2002/075097

Priority 60/277,439 20.03.01 US

Filing date 20 March 2002

Wipo publication date 3 October 2002

Acceptance publication date 16 August 2007

International Classifications

E21B 29/00 (2006.01) Cutting or destroying pipes, packers, plugs, or wire lines, located in boreholes or wells, e.g. cutting of damaged pipes, of windows

Event Publications

27 March 2003 Application Open to Public Inspection

  Published as AU-B-2002251182

8 January 2004 Amendment Made

  The nature of the amendment is: Delete the co-inventor Harding, Richard Patrick.

16 August 2007 Application Accepted

  Published as AU-B-2002251182

13 December 2007 Standard Patent Sealed

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