Flapper valve retention method and system

Details for Australian Patent Application No. 2009238452 (hide)

Owner SCHLUMBERGER TECHNOLOGY B.V.

Inventors Goughnour, Paul G.; Biddick, David J.

Agent Griffith Hack

Pub. Number AU-A-2009238452

PCT Pub. Number WO2009/131822

Priority 12/108,295 23.04.08 US

Filing date 6 April 2009

Wipo publication date 29 October 2009

International Classifications

E21B 33/12 (2006.01) Sealing or packing boreholes or wells - Packers

Event Publications

18 November 2010 PCT application entered the National Phase

  PCT publication WO2009/131822 Priority application(s): WO2009/131822

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