A downhole valve and method of making

Details for Australian Patent Application No. 2008223360 (hide)

Owner Baker Hughes Incorporated

Inventors Haynes, Andrew

Agent Freehills

Pub. Number AU-A-2008223360

PCT Pub. Number WO2008/109189

Priority 11/682,978 07.03.07 US

Filing date 4 January 2008

Wipo publication date 12 September 2008

International Classifications

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

Event Publications

17 September 2009 PCT application entered the National Phase

  PCT publication WO2008/109189 Priority application(s): WO2008/109189

15 December 2011 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(a). A direction to request examination has been given for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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