Wellhead tree pressure compensating device

Details for Australian Patent Application No. 2011265334 (hide)

Owner Vetco Gray Inc.

Inventors Munro, William D.; Urquhart, Alexander

Agent Phillips Ormonde Fitzpatrick

Pub. Number AU-A-2011265334

Priority 12/980,994 29.12.10 US

Filing date 19 December 2011

Wipo publication date 19 July 2012

International Classifications

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

Event Publications

19 January 2012 Complete Application Filed

  Priority application(s): 12/980,994 29.12.10 US

19 July 2012 Application Open to Public Inspection

  Published as AU-A-2011265334

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