Two string drilling system

Details for Australian Patent Application No. 2003201560 (hide)

Owner PressSol Ltd.

Inventors Livingstone, James I

Agent FB Rice

Pub. Number AU-B-2003201560

PCT Number PCT/CA03/00045

PCT Pub. Number WO2003/062589

Priority 60/348,611 17.01.02 US

Filing date 17 January 2003

Wipo publication date 2 September 2003

Acceptance publication date 4 September 2008

International Classifications

E21B 17/18 (2006.01) Drilling rods or pipes

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

E21B 21/12 (2006.01) Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor

Event Publications

3 April 2003 Complete Application Filed

  Priority application(s): 60/348,611 17.01.02 US

18 September 2003 Application Open to Public Inspection

  Published as AU-B-2003201560

4 September 2008 Application Accepted

  Published as AU-B-2003201560

8 January 2009 Standard Patent Sealed

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