Electromagnetic power and communication link particularly adapted for drill collar mounted sensor systems

Details for Australian Patent Application No. 2002304232 (hide)

Owner Schlumberger Technology B.V.

Inventors Gabler, Kate Irene Stabba; Chalitsios, Constantyn

Agent Griffith Hack

Pub. Number AU-A-2002304232

Priority 10/051702 18.01.02 US

Filing date 25 November 2002

Wipo publication date 7 August 2003

International Classifications

E21B 047/12 Survey of boreholes or wells - Means for transmitting measuring-signals from the well to the surface, e.g. for logging while drilling

G08C 025/00 Arrangements for preventing or correcting errors

Event Publications

19 December 2002 Complete Application Filed

  Priority application(s): 10/051702 18.01.02 US

7 August 2003 Application Open to Public Inspection

  Published as AU-A-2002304232

17 November 2005 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(e). Examination has been requested or an examination report has issued for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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