Drill String Valve and Method

Details for Australian Patent Application No. 2010235956 (hide)

Owner Hydril USA Manufacturing LLC

Inventors Schroeder, Derryl; Friedrichs, Michael

Agent Phillips Ormonde Fitzpatrick

Pub. Number AU-A-2010235956

Priority 12/609,091 30.10.09 US

Filing date 21 October 2010

Wipo publication date 19 May 2011

International Classifications

E21B 34/08 (2006.01) Valve arrangements for boreholes or wells

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

Event Publications

11 November 2010 Complete Application Filed

  Priority application(s): 12/609,091 30.10.09 US

19 May 2011 Application Open to Public Inspection

  Published as AU-A-2010235956

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