Lock open tool for downhole safety valve

Details for Australian Patent Application No. 2003278971 (hide)

Owner Baker Huges Incorporated

Inventors Strattan, Scott C.; Myerley, Thomas S.; McVicker, Van J.

Agent Freehills

Pub. Number AU-B-2003278971

PCT Number PCT/US03/30411

PCT Pub. Number WO2004/031535

Priority 10/263,946 03.10.02 US

Filing date 25 September 2003

Wipo publication date 23 April 2004

Acceptance publication date 20 November 2008

International Classifications

E21B 34/14 (2006.01) Valve arrangements for boreholes or wells

E21B 29/08 (2006.01) Cutting or destroying pipes, packers, plugs, or wire lines, located in boreholes or wells, e.g. cutting of damaged pipes, of windows

E21B 34/10 (2006.01) Valve arrangements for boreholes or wells

E21B 34/00 (2006.01) Valve arrangements for boreholes or wells

Event Publications

26 February 2004 Complete Application Filed

  Priority application(s): 10/263,946 03.10.02 US

27 May 2004 Application Open to Public Inspection

  Published as AU-B-2003278971

20 November 2008 Application Accepted

  Published as AU-B-2003278971

19 March 2009 Standard Patent Sealed

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