Downhole tool

Details for Australian Patent Application No. 2006318890 (hide)

Owner Churchill Drilling Tools Limited

Inventors Churchill, Andrew Philip

Agent Davies Collison Cave

Pub. Number AU-A-2006318890

PCT Pub. Number WO2007/060449

Priority 0523841.5 24.11.05 GB; 0607412.4 13.04.06 GB

Filing date 24 November 2006

Wipo publication date 31 May 2007

International Classifications

E21B 21/10 (2006.01) Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor

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

E21B 41/00 (2006.01) Equipment or details not covered by groups

Event Publications

10 July 2008 PCT application entered the National Phase

  PCT publication WO2007/060449 Priority application(s): WO2007/060449

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