Current-directing shield apparatus for use with transverse magnetic dipole antennas

Details for Australian Patent Application No. 2002325479 (hide)

Owner Schlumberger Technology B.V.

Inventors Kibbe, Charles; Homan, Dean M; Chen, Kuo Chiang

Agent Griffith Hack

Pub. Number AU-B-2002325479

Priority 10/113265 29.03.02 US

Filing date 24 December 2002

Wipo publication date 23 October 2003

Acceptance publication date 29 April 2004

International Classifications

G01V 003/26 Electric or magnetic prospecting or detecting

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

E21B 047/01 Survey of boreholes or wells

G01V 003/08 Electric or magnetic prospecting or detecting - operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices

Event Publications

6 February 2003 Complete Application Filed

  Priority application(s): 10/113265 29.03.02 US

23 October 2003 Application Open to Public Inspection

  Published as AU-B-2002325479

29 April 2004 Application Accepted

  Published as AU-B-2002325479

27 May 2004 Amendment Made

  The nature of the amendment is as shown in the statement(s) filed 27 Apr 2004

26 August 2004 Standard Patent Sealed

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