Downhole expandable roller bearing apparatus

Details for Australian Patent Application No. 2010286177 (hide)

Owner Lee, P.

Inventors Lee, Paul Bernard

Agent Golja Haines & Friend

Pub. Number AU-A-2010286177

PCT Pub. Number WO2011/021047

Priority 0919787.2 12.11.09 GB; 0914629.1 21.08.09 GB

Filing date 20 August 2010

Wipo publication date 24 February 2011

International Classifications

E21B 10/34 (2006.01) Drilling tools

Event Publications

23 February 2012 PCT application entered the National Phase

  PCT publication WO2011/021047 Priority application(s): WO2011/021047

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