Bi-directional annulus seal

Details for Australian Patent Application No. 2009240817 (hide)

Owner Vetco Gray, Inc.

Inventors Nelson, John E.; Ellis, Steven C.; Hunter, Rick C.; Garcia Jr., Javier

Agent Phillips Ormonde Fitzpatrick

Pub. Number AU-A-2009240817

Priority 12/465,966 14.05.09 US; 61/117,879 25.11.08 US

Filing date 25 November 2009

Wipo publication date 10 June 2010

International Classifications

E21B 33/03 (2006.01) Sealing or packing boreholes or wells - Well heads

Event Publications

10 December 2009 Complete Application Filed

  Priority application(s): 12/465,966 14.05.09 US; 61/117,879 25.11.08 US

10 June 2010 Application Open to Public Inspection

  Published as AU-A-2009240817

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