Thermal processes for subsurface formations

Details for Australian Patent Application No. 2004235350 (hide)

Owner Shell Internationale Research Maatschappij B.V.

Inventors Menotti, James Louis; Harris, Christopher Kelvin; Sandberg, Chester L.; Vinegar, Harold J.

Agent Davies Collison Cave

Pub. Number AU-B-2004235350

PCT Pub. Number WO2004/097159

Priority 60/514,593 24.10.03 US; 60/465,279 24.04.03 US

Filing date 24 April 2004

Wipo publication date 11 November 2004

Acceptance publication date 31 January 2008

International Classifications

E21B 36/02 (2006.01) Heating, cooling, or insulating arrangements for boreholes or wells, e.g. for use in permafrost zones

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

27 October 2005 PCT application entered the National Phase

  PCT publication WO2004/097159 Priority application(s): WO2004/097159

31 January 2008 Application Accepted

  Published as AU-B-2004235350

21 August 2008 Standard Patent Sealed

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