Flow stop valve

Details for Australian Patent Application No. 2009213898 (hide)

Owner Pilot Drilling Control Limited

Inventors Large, Robert; Swietlik, George

Agent Cullens

Pub. Number AU-A-2009213898

PCT Pub. Number WO2009/101424

Priority 0802856.5 15.02.08 GB

Filing date 16 February 2009

Wipo publication date 20 August 2009

International Classifications

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

Event Publications

30 September 2010 PCT application entered the National Phase

  PCT publication WO2009/101424 Priority application(s): WO2009/101424

17 February 2011 Amendment Made

  The nature of the amendment is as shown in the statement(s) filed 06 and 29 Sep 2010

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