Chemical injection check valve incorporated into a tubing retrievable safety valve

Details for Australian Patent Application No. 2004287079 (hide)

Owner Baker Hughes Incorporated

Inventors Ives, Jason B.; Adams, Jeffrey K.; Strattan, Scott C.; Williams, Jeffrey C.; Myerley, Thomas S.

Agent Freehills

Pub. Number AU-B-2004287079

PCT Pub. Number WO2005/045182

Priority 60/514,868 27.10.03 US

Filing date 27 October 2004

Wipo publication date 19 May 2005

Acceptance publication date 8 July 2010

International Classifications

E21B 34/06 (2006.01) Valve arrangements for boreholes or wells

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

Event Publications

15 June 2006 PCT application entered the National Phase

  PCT publication WO2005/045182 Priority application(s): WO2005/045182

8 July 2010 Application Accepted

  Published as AU-B-2004287079

4 November 2010 Standard Patent Sealed

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