Incremental U-tube process to retrieve of bottom hole assembly during casing while drilling operations

Details for Australian Patent Application No. 2009248930 (hide)

Owner Tesco Corporation

Inventors Eriksen, Erik P.; Moffitt, Michael E.; Warren, Tommy M.

Agent Davies Collison Cave

Pub. Number AU-A-2009248930

PCT Pub. Number WO2009/143396

Priority 12/125,808 22.05.08 US

Filing date 22 May 2009

Wipo publication date 26 November 2009

International Classifications

E21B 19/02 (2006.01) Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick

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

E21B 23/14 (2006.01) Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells

Event Publications

16 December 2010 PCT application entered the National Phase

  PCT publication WO2009/143396 Priority application(s): WO2009/143396

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