WELL DRILLING BIT

Details for Australian Patent Application No. 2002328851 (hide)

Owner SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V.

Inventors RUNIA, Douwe, Johannes

Pub. Number AU-A-2002328851

PCT Number PCT/EP02/07533

PCT Pub. Number WO2003/004825

Priority 01305877.1 06.07.01 EP

Filing date 5 July 2002

Wipo publication date 21 January 2003

International Classifications

E21B 010/20 Drilling tools

E21B 010/62 Drilling tools

E21B 047/00 Survey of boreholes or wells

Event Publications

30 January 2003 Complete Application Filed

  Priority application(s): 01305877.1 06.07.01 EP

22 May 2003 Application Open to Public Inspection

  Published as AU-A-2002328851

8 April 2004 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(f)/See Reg. 8.3(3). Examination has not yet been requested or directed for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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