Method of creating a borehole in an earth formation

Details for Australian Patent Application No. 2004234548 (hide)

Owner Shell Internationale Research Maatschappij B.V.

Inventors Schilte, Paul Dirk; Benzie, Scott Anthony; Filippov, Andrei Gregory; Dewar, John Alexander Gordon

Agent Davies Collison Cave

Pub. Number AU-B-2004234548

PCT Pub. Number WO2004/097168

Priority 03252654.3 25.04.03 EP

Filing date 16 April 2004

Wipo publication date 11 November 2004

Acceptance publication date 31 May 2007

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

E21B 29/00 (2006.01) Cutting or destroying pipes, packers, plugs, or wire lines, located in boreholes or wells, e.g. cutting of damaged pipes, of windows

Event Publications

3 November 2005 PCT application entered the National Phase

  PCT publication WO2004/097168 Priority application(s): WO2004/097168

31 May 2007 Application Accepted

  Published as AU-B-2004234548

27 September 2007 Standard Patent Sealed

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