Valve system and method

Details for Australian Patent Application No. 2002331034 (hide)

Owner Worldwide Oilfield Machine, Inc.

Inventors Sundararajan, Alagarsamy

Agent Davies Collison Cave

Pub. Number AU-B-2002331034

PCT Number PCT/US02/25329

PCT Pub. Number WO2003/014608

Priority 09/925,676 09.08.01 US

Filing date 9 August 2002

Wipo publication date 24 February 2003

Acceptance publication date 15 February 2007

International Classifications

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

E21B 33/06 (2006.01) Sealing or packing boreholes or wells

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

E21B 34/02 (2006.01) Valve arrangements for boreholes or wells

Event Publications

6 February 2003 Complete Application Filed

  Priority application(s): 09/925,676 09.08.01 US

19 June 2003 Application Open to Public Inspection

  Published as AU-B-2002331034

15 February 2007 Application Accepted

  Published as AU-B-2002331034

14 June 2007 Standard Patent Sealed

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