Deformation resistant opening chamber head and method

Details for Australian Patent Application No. 2009245883 (hide)

Owner Hydril USA Manufacturing LLC

Inventors Carbaugh, William L.; Mei, Eric; Childers, Leonard G.

Agent Phillips Ormonde Fitzpatrick

Pub. Number AU-A-2009245883

Priority 12/338,556 18.12.08 US

Filing date 9 December 2009

Wipo publication date 8 July 2010

International Classifications

E21B 33/064 (2006.01) Sealing or packing boreholes or wells

Event Publications

24 December 2009 Complete Application Filed

  Priority application(s): 12/338,556 18.12.08 US

8 July 2010 Application Open to Public Inspection

  Published as AU-A-2009245883

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