Downhole safety valve apparatus and method

Details for Australian Patent Application No. 2005294520 (hide)

Owner BJ Services Company, U.S.A.

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

Agent Shelston IP

Pub. Number AU-B-2005294520

PCT Pub. Number WO2006/041811

Priority 60/522,498 07.10.04 US

Filing date 7 October 2005

Wipo publication date 20 April 2006

Acceptance publication date 18 February 2010

International Classifications

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

Event Publications

3 May 2007 PCT application entered the National Phase

  PCT publication WO2006/041811 Priority application(s): WO2006/041811

17 July 2008 Alteration of Name

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

18 February 2010 Application Accepted

  Published as AU-B-2005294520

17 June 2010 Standard Patent Sealed

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