Method and assembly for abrasive jet drilling

Details for Australian Patent Application No. 2008234851 (hide)

Owner Shell Internationale Research Maatschappij B.V.

Inventors Blange, Jan-Jette

Agent Spruson & Ferguson

Pub. Number AU-B-2008234851

PCT Pub. Number WO2008/119821

Priority 07105521.4 03.04.07 EP

Filing date 2 April 2008

Wipo publication date 9 October 2008

Acceptance publication date 19 May 2011

International Classifications

E21B 7/18 (2006.01) Special methods or apparatus for drilling - Drilling by liquid or gas jets, with or without entrained pellets

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

Event Publications

22 October 2009 PCT application entered the National Phase

  PCT publication WO2008/119821 Priority application(s): WO2008/119821

19 May 2011 Application Accepted

  Published as AU-B-2008234851

15 September 2011 Standard Patent Sealed

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