Top filling tubing

Details for Australian Patent Application No. 2007259057 (hide)

Owner Churchill Drilling Tools Limited

Inventors Churchill, Andrew Phillip

Agent Davies Collison Cave

Pub. Number AU-A-2007259057

PCT Pub. Number WO2007/144597

Priority 0611711.3 14.06.06 GB

Filing date 11 June 2007

Wipo publication date 21 December 2007

International Classifications

E21B 21/01 (2006.01) Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor

E21B 17/00 (2006.01) Drilling rods or pipes

E21B 21/00 (2006.01) Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor

Event Publications

5 February 2009 PCT application entered the National Phase

  PCT publication WO2007/144597 Priority application(s): WO2007/144597

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