Bi-directional flapper valve

Details for Australian Patent Application No. 2007245406 (hide)

Owner Petrowell Limited

Inventors Purkis, Daniel

Agent Wrays

Pub. Number AU-A-2007245406

PCT Pub. Number WO2007/125335

Priority 0608334.9 27.04.06 GB

Filing date 26 April 2007

Wipo publication date 8 November 2007

International Classifications

E21B 34/12 (2006.01) Valve arrangements for boreholes or wells

Event Publications

30 October 2008 PCT application entered the National Phase

  PCT publication WO2007/125335 Priority application(s): WO2007/125335

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