Mono-diameter wellbore casings

Details for Australian Patent Application No. 2003257878 (hide)

Owner Shell Internationale Research Maatschappij B.V.

Inventors Haut, Richard Carl; Mack, Robert D.; Cook, Robert Lance; Brisco, David Paul; Ring, Lev; Duell, Alan; Stewart, Bruce R.

Agent Davies Collison Cave

Pub. Number AU-B-2003257878

Parent 16417

Filing date 27 October 2003

Wipo publication date 20 November 2003

Acceptance publication date 19 April 2007

International Classifications

E21B 17/00 (2006.01) Drilling rods or pipes

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

E21B 43/10 (2006.01) Obtaining fluids from wells

Event Publications

6 November 2003 Complete Application Filed

20 November 2003 Application Open to Public Inspection

  Published as AU-B-2003257878

19 April 2007 Application Accepted

  Published as AU-B-2003257878

16 August 2007 Standard Patent Sealed

10 September 2009 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This patent ceased under section 143(a), or Expired. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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