Pressure balanced piston for subsurface safety valves

Details for Australian Patent Application No. 2009206610 (hide)

Owner Baker Hughes Incorporated

Inventors Casciaro, Dario; Lake, Gary (Ben) B.; Rosenblatt, Steve

Agent Freehills

Pub. Number AU-A-2009206610

PCT Pub. Number WO2009/094309

Priority 12/019,478 24.01.08 US

Filing date 17 January 2009

Wipo publication date 30 July 2009

International Classifications

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

Event Publications

15 July 2010 PCT application entered the National Phase

  PCT publication WO2009/094309 Priority application(s): WO2009/094309

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