Downhole material retention apparatus

Details for Australian Patent Application No. 2009246756 (hide)

Owner Baker Hughes Incorporated

Inventors Lynde, Gerald D.; Davis, John P.

Agent Freehills

Pub. Number AU-A-2009246756

PCT Pub. Number WO2009/140005

Priority 12/120,764 15.05.08 US

Filing date 14 April 2009

Wipo publication date 19 November 2009

International Classifications

E21B 31/08 (2006.01) Fishing for or freeing objects in boreholes or wells

E21B 34/14 (2006.01) Valve arrangements for boreholes or wells

Event Publications

6 January 2011 PCT application entered the National Phase

  PCT publication WO2009/140005 Priority application(s): WO2009/140005

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