Wellbore Casing

Details for Australian Patent Application No. 2004200246 (hide)

Owner Shell Internationale Research Maatschappij B.V.

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

Agent Davies Collison Cave

Pub. Number AU-B-2004200246

Parent 767364

Filing date 22 January 2004

Wipo publication date 19 February 2004

Acceptance publication date 27 September 2007

International Classifications

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 17/00 (2006.01) Drilling rods or pipes

E21B 29/10 (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

5 February 2004 Complete Application Filed

19 February 2004 Application Open to Public Inspection

  Published as AU-B-2004200246

27 September 2007 Application Accepted

  Published as AU-B-2004200246

24 January 2008 Standard Patent Sealed

4 June 2009 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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