Retractable ball seat having a time delay material

Details for Australian Patent Application No. 2007297417 (hide)

Owner Baker Hughes Incorporated

Inventors Xu, Yang

Agent Freehills

Pub. Number AU-A-2007297417

PCT Pub. Number WO2008/036575

Priority 11/522,722 18.09.06 US

Filing date 14 September 2007

Wipo publication date 27 March 2008

International Classifications

E21B 33/00 (2006.01) Sealing or packing boreholes or wells

Event Publications

23 April 2009 PCT application entered the National Phase

  PCT publication WO2008/036575 Priority application(s): WO2008/036575

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