Temperature limited heaters with thermally conductive fluid used to heat subsurface formations

Details for Australian Patent Application No. 2005238944 (hide)

Owner Shell Internationale Research Maatschappij B.V.

Inventors Harris, Christopher Kelvin; Vinegar, Harold J.

Agent Davies Collison Cave

Pub. Number AU-B-2005238944

PCT Pub. Number WO2005/106195

Priority 60/565,077 23.04.04 US

Filing date 22 April 2005

Wipo publication date 10 November 2005

Acceptance publication date 23 October 2008

International Classifications

E21B 43/24 (2006.01) Obtaining fluids from wells

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

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 43/38 (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 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 WO2005/106195 Priority application(s): WO2005/106195

23 October 2008 Application Accepted

  Published as AU-B-2005238944

19 February 2009 Standard Patent Sealed

18 November 2010 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This patent ceased under section 143(a), or Expired. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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