A sub sea hybrid valve actuator system and method

Details for Australian Patent Application No. 2009247678 (hide)

Owner Vetco Gray Scandinavia AS

Inventors Borchgrevink, Christian; Pettersen, Jan Olav; Grimseth, Tom; Flidh, Jon

Agent Griffith Hack

Pub. Number AU-A-2009247678

PCT Pub. Number WO2009/138849

Priority 20082217 14.05.08 NO

Filing date 12 May 2009

Wipo publication date 19 November 2009

International Classifications

E21B 34/04 (2006.01) Valve arrangements for boreholes or wells

E21B 34/16 (2006.01) Valve arrangements for boreholes or wells

Event Publications

18 November 2010 PCT application entered the National Phase

  PCT publication WO2009/138849 Priority application(s): WO2009/138849

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