Method of drilling a wellbore

Details for Australian Patent Application No. 2008346353 (hide)

Owner Shell Internationale Research Maatschappij B.V.

Inventors Elliott, David Allan; Kriesels, Petrus Cornelis

Agent Spruson & Ferguson

Pub. Number AU-B-2008346353

PCT Pub. Number WO2009/087069

Priority 08100116.6 04.01.08 EP

Filing date 24 December 2008

Wipo publication date 16 July 2009

Acceptance publication date 17 May 2012

International Classifications

E21B 43/10 (2006.01) Obtaining fluids from wells

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

Event Publications

15 July 2010 PCT application entered the National Phase

  PCT publication WO2009/087069 Priority application(s): WO2009/087069

17 May 2012 Application Accepted

  Published as AU-B-2008346353

13 September 2012 Standard Patent Sealed

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