Positionless expanding lock ring for subsea annulus seals for lockdown

Details for Australian Patent Application No. 2012201736 (hide)

Owner Vetco Gray Inc.

Inventors Galle, Gary; Minassian, Marc

Agent Phillips Ormonde Fitzpatrick

Pub. Number AU-A-2012201736

Priority 13/072,407 25.03.11 US

Filing date 23 March 2012

Wipo publication date 11 October 2012

International Classifications

E21B 33/03 Sealing or packing boreholes or wells - Well heads

E21B 33/02 Sealing or packing boreholes or wells - Surface sealing or packing

Event Publications

12 April 2012 Complete Application Filed

  Priority application(s): 13/072,407 25.03.11 US

11 October 2012 Application Open to Public Inspection

  Published as AU-A-2012201736

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