System for drilling a wellbore

Details for Australian Patent Application No. 2008334744 (hide)

Owner Shell Internationale Research Maatschappij B.V.

Inventors Kriesels, Petrus Cornelis; Blange, JanJette

Agent Spruson & Ferguson

Pub. Number AU-B-2008334744

PCT Pub. Number WO2009/074526

Priority 07122725.0 10.12.07 EP

Filing date 8 December 2008

Wipo publication date 18 June 2009

Acceptance publication date 8 September 2011

International Classifications

E21B 7/20 (2006.01) Special methods or apparatus for drilling - Driving or forcing casings or pipes into boreholes, e.g. sinking

E21B 43/10 (2006.01) Obtaining fluids from wells

Event Publications

27 May 2010 PCT application entered the National Phase

  PCT publication WO2009/074526 Priority application(s): WO2009/074526

8 September 2011 Application Accepted

  Published as AU-B-2008334744

19 January 2012 Standard Patent Sealed

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