Apparatus and method for severing a wellbore tubular

Details for Australian Patent Application No. 2006342770 (hide)

Owner National Oilwell Varco, L.P.

Inventors Brugman, James Dennis; Springett, Frank Benjamin

Agent Shelston IP

Pub. Number AU-A-2006342770

PCT Pub. Number WO2007/122365

Priority 11/411,203 25.04.06 US

Filing date 27 December 2006

Wipo publication date 1 November 2007

International Classifications

E21B 33/06 (2006.01) Sealing or packing boreholes or wells

Event Publications

20 November 2008 PCT application entered the National Phase

  PCT publication WO2007/122365 Priority application(s): WO2007/122365

24 March 2011 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(a). A direction to request examination has been given for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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