Multiple spring subsurface safety valve

Details for Australian Patent Application No. 2009228563 (hide)

Owner Baker Hughes Incorporated

Inventors Carney, Allen P.; Burris, John E.; Smith, Troy L.

Agent Freehills

Pub. Number AU-A-2009228563

PCT Pub. Number WO2009/120581

Priority 12/054,127 28.03.08 US

Filing date 19 March 2009

Wipo publication date 1 October 2009

International Classifications

E21B 34/12 (2006.01) Valve arrangements for boreholes or wells

Event Publications

21 October 2010 PCT application entered the National Phase

  PCT publication WO2009/120581 Priority application(s): WO2009/120581

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