BI-Metallic annular seal and wellhead system incorporating same

Details for Australian Patent Application No. 2011200328 (hide)

Owner Vetco Gray Inc.

Inventors Shaw, Michael

Agent Phillips Ormonde Fitzpatrick

Pub. Number AU-A-2011200328

Priority 12/695,037 27.01.10 US

Filing date 25 January 2011

Wipo publication date 11 August 2011

International Classifications

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

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

Event Publications

10 February 2011 Complete Application Filed

  Priority application(s): 12/695,037 27.01.10 US

11 August 2011 Application Open to Public Inspection

  Published as AU-A-2011200328

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