Tubing hanger with ball valve in the annulus bore

Details for Australian Patent Application No. 2003212978 (hide)

Owner Dril-Quip, Inc.

Inventors Reimert, Larry E; Deberry, Blake

Agent Spruson & Ferguson

Pub. Number AU-B-2003212978

PCT Number PCT/US03/03869

PCT Pub. Number WO2003/067024

Priority 10/071,650 08.02.02 US

Filing date 6 February 2003

Wipo publication date 2 September 2003

Acceptance publication date 22 February 2007

International Classifications

E21B 33/043 (2006.01) Sealing or packing boreholes or wells

E21B 34/04 (2006.01) Valve arrangements for boreholes or wells

E21B 34/00 (2006.01) Valve arrangements for boreholes or wells

Event Publications

24 July 2003 Complete Application Filed

  Priority application(s): 10/071,650 08.02.02 US

25 September 2003 Application Open to Public Inspection

  Published as AU-B-2003212978

22 February 2007 Application Accepted

  Published as AU-B-2003212978

21 June 2007 Standard Patent Sealed

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