Downhole safety valve apparatus and method

Details for Australian Patent Application No. 2005294217 (hide)

Owner BJ Services Company, U.S.A.

Inventors Smith, David R.; Bolding, Jeffrey L.

Agent Shelston IP

Pub. Number AU-B-2005294217

PCT Pub. Number WO2006/042060

Priority 60/522,500 07.10.04 US

Filing date 7 October 2005

Wipo publication date 20 April 2006

Acceptance publication date 1 April 2010

International Classifications

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

Event Publications

26 April 2007 PCT application entered the National Phase

  PCT publication WO2006/042060 Priority application(s): WO2006/042060

17 July 2008 Alteration of Name

  The name of the applicant has been altered to BJ Services Company, U.S.A.

1 April 2010 Application Accepted

  Published as AU-B-2005294217

29 July 2010 Standard Patent Sealed

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