Electrical well heating system and method

Details for Australian Patent Application No. 2002224779 (hide)

Owner Shell Internationale Research Maatschappij B.V.

Inventors Coles, John Matthew; Keedy, Charles Robert; De Rouffignac, Eric; Bielamowicz, Lawrence James; Menotti, James Louis; Vinegar, Harold J.; Karanikas, John Michael; Carl, Frederick Gordon Jr.

Agent Spruson & Ferguson

Pub. Number AU-B-2002224779

PCT Pub. Number WO2002/086284

Priority PCT/EP01/04641 24.04.01 EP

Filing date 11 October 2001

Wipo publication date 5 November 2002

Acceptance publication date 1 February 2007

International Classifications

E21B 36/04 (2006.01) Heating, cooling, or insulating arrangements for boreholes or wells, e.g. for use in permafrost zones

E21B 43/24 (2006.01) Obtaining fluids from wells

Event Publications

17 April 2003 Application Open to Public Inspection

  Published as AU-B-2002224779

1 February 2007 Application Accepted

  Published as AU-B-2002224779

31 May 2007 Standard Patent Sealed

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