Bi-directional and internal pressure trapping packing element system

Details for Australian Patent Application No. 2002347385 (hide)

Owner Weatherford/Lamb, Inc.

Inventors Hirth, David E.; Pedersen, Gerald Dean; Gudmestad, Tarald

Agent Griffith Hack

Pub. Number AU-B-2002347385

PCT Number PCT/GB02/05576

PCT Pub. Number WO2003/054345

Priority 60/340,520 12.12.01 US

Filing date 10 December 2002

Wipo publication date 9 July 2003

Acceptance publication date 30 August 2007

International Classifications

E21B 33/128 (2006.01) Sealing or packing boreholes or wells

Event Publications

13 March 2003 Complete Application Filed

  Priority application(s): 60/340,520 12.12.01 US

2 October 2003 Application Open to Public Inspection

  Published as AU-B-2002347385

30 August 2007 Application Accepted

  Published as AU-B-2002347385

3 January 2008 Standard Patent Sealed

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