Hydraulic bi-directional rotary isolation valve

Details for Australian Patent Application No. 2009227756 (hide)

Owner Weatherford/Lamb, Inc.

Inventors Lloyd, Sam Sun; Reaves, Micahel R.

Agent Fisher Adams Kelly

Pub. Number AU-A-2009227756

PCT Pub. Number WO2009/115839

Priority 12/049,765 17.03.08 US

Filing date 17 March 2009

Wipo publication date 24 September 2009

International Classifications

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

Event Publications

7 October 2010 PCT application entered the National Phase

  PCT publication WO2009/115839 Priority application(s): WO2009/115839

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