Wired pipe joint with current-loop inductive couplers

Details for Australian Patent Application No. 2003203926 (hide)

Owner Schlumberger Technology B.V.

Inventors Madhaven, Raghu; Boyle, Bruce W; Jundt, Jacques

Agent Griffith Hack

Pub. Number AU-B-2003203926

Priority 10/160311 31.05.02 US

Filing date 29 April 2003

Wipo publication date 18 December 2003

Acceptance publication date 19 May 2005

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

H04B 005/00 Near-field transmission systems, e.g. inductive loop type

G01V 001/52 Seismology

G01V 001/22 Seismology - Transmitting seismic signals to recording or processing apparatus

E21B 017/042 Drilling rods or pipes

Event Publications

15 May 2003 Complete Application Filed

  Priority application(s): 10/160311 31.05.02 US

18 December 2003 Application Open to Public Inspection

  Published as AU-B-2003203926

19 May 2005 Application Accepted

  Published as AU-B-2003203926

15 September 2005 Standard Patent Sealed

2 February 2006 Corrigenda

  Applications Accepted - Name Index Under the name Schlumberger Technology B.V., Application No. 2003203926, under INID (72) correct the co-inventor name to Madhavan, Raghu.

26 August 2010 Assignment Registered

  Schlumberger Technology B.V. The patent has been assigned to Intelliserv International Holding, Ltd.

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