System and method for transmitting electric power into a bore

Details for Australian Patent Application No. 2004247900 (hide)

Owner Shell Internationale Research Maatschappij B.V.

Inventors Tan Boon Kiat, Ivan; Coenen, Josef Guillaume Christoffel

Agent Spruson & Ferguson

Pub. Number AU-B-2004247900

PCT Pub. Number WO2004/111389

Priority 03253754.0 13.06.03 EP

Filing date 11 June 2004

Wipo publication date 23 December 2004

Acceptance publication date 10 January 2008

International Classifications

E21B 4/04 (2006.01) Drives for drilling, used in the borehole

E21B 17/00 (2006.01) Drilling rods or pipes

E21B 41/00 (2006.01) Equipment or details not covered by groups

E21B 43/12 (2006.01) Obtaining fluids from wells - Methods or apparatus for controlling the flow of the obtained fluid to or in wells

E21B 47/12 (2006.01) Survey of boreholes or wells - Means for transmitting measuring-signals from the well to the surface, e.g. for logging while drilling

H02J 3/36 (2006.01) Circuit arrangements for ac mains or ac distribution networks - Arrangements for transfer of electric power between ac networks a high-tension dc link

Event Publications

5 January 2006 PCT application entered the National Phase

  PCT publication WO2004/111389 Priority application(s): WO2004/111389

10 January 2008 Application Accepted

  Published as AU-B-2004247900

8 May 2008 Standard Patent Sealed

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