Tools and methods useful with wellbore reverse circulation

Details for Australian Patent Application No. 2007257175 (hide)

Owner Tesco Corporation

Inventors Warren, Tommy M.; Tessari, Robert M.; Tate, Barry J.

Agent Davies Collison Cave

Pub. Number AU-A-2007257175

PCT Pub. Number WO2007/140612

Priority 60/862,491 23.10.06 US; 60/804,074 06.06.06 US

Filing date 6 June 2007

Wipo publication date 13 December 2007

International Classifications

E21B 23/04 (2006.01) Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells

E21B 23/08 (2006.01) Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells

E21B 31/00 (2006.01) Fishing for or freeing objects in boreholes or wells

Event Publications

8 January 2009 PCT application entered the National Phase

  PCT publication WO2007/140612 Priority application(s): WO2007/140612

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