Electrical well heating system and method

Details for Australian Patent Application No. 2001260243 (hide)

Owner Shell Internationale Research Maatschappij B.V.

Inventors Wellington, Scott, Lee; Vinegar, Harold J.; Keedy, Charles Robert; De Rouffignac, Eric; Karanikas, John Michael

Agent Spruson & Ferguson

Pub. Number AU-B-2001260243

PCT Pub. Number WO01/83940

Priority 60199214 24.04.00 US

Filing date 24 April 2001

Wipo publication date 12 November 2001

Acceptance publication date 2 December 2004

International Classifications

E21B 036/04 Heating, cooling, or insulating arrangements for boreholes or wells, e.g. for use in permafrost zones

Event Publications

2 December 2004 Application Accepted

  Published as AU-B-2001260243

7 April 2005 Standard Patent Sealed

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