Pressure energized radial seal

Details for Australian Patent Application No. 2007275450 (hide)

Owner Hydril USA Manufacturing LLC

Inventors Berckenhoff, Michael Wayne

Agent Davies Collison Cave

Pub. Number AU-A-2007275450

PCT Pub. Number WO2008/011331

Priority 11/489,995 20.07.06 US

Filing date 12 July 2007

Wipo publication date 24 January 2008

International Classifications

E21B 33/00 (2006.01) Sealing or packing boreholes or wells

Event Publications

19 February 2009 PCT application entered the National Phase

  PCT publication WO2008/011331 Priority application(s): WO2008/011331

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