Temperature limited heaters used to heat subsurface formations

Details for Australian Patent Application No. 2005238948 (hide)

Owner Shell Internationale Research Maatschappij B.V.

Inventors Vinegar, Harold J.; Sandberg, Chester Ledlie; Harris, Christopher Kelvin

Agent Davies Collison Cave

Pub. Number AU-B-2005238948

PCT Pub. Number WO2005/106196

Priority 60/565,077 23.04.04 US

Filing date 22 April 2005

Wipo publication date 10 November 2005

Acceptance publication date 15 January 2009

International Classifications

E21B 29/00 (2006.01) Cutting or destroying pipes, packers, plugs, or wire lines, located in boreholes or wells, e.g. cutting of damaged pipes, of windows

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

E21B 43/00 (2006.01) Obtaining fluids from wells

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 43/24 (2006.01) Obtaining fluids from wells

E21B 43/30 (2006.01) Obtaining fluids from wells

E21B 43/38 (2006.01) Obtaining fluids from wells

H05B 3/10 (2006.01) Ohmic-resistance heating - Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor

H05B 3/14 (2006.01) Ohmic-resistance heating - the material being non-metallic

H05B 6/10 (2006.01) Heating by electric, magnetic, or electromagnetic fields - Induction heating apparatus, other than furnaces, for specific applications

Event Publications

26 October 2006 PCT application entered the National Phase

  PCT publication WO2005/106196 Priority application(s): WO2005/106196

15 January 2009 Application Accepted

  Published as AU-B-2005238948

14 May 2009 Standard Patent Sealed

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