Temperature limited heaters using phase transformation of ferromagnetic material

Details for Australian Patent Application No. 2007319714 (hide)

Owner Shell Internationale Research Maatschappij B.V.

Inventors Horton Jr., Joseph Arno; Brady, Michael Patrick; Vitek, John Michael

Agent Davies Collison Cave

Pub. Number AU-B-2007319714

PCT Pub. Number WO2008/060668

Priority 60/794,298 21.04.06 US; 60/853,096 20.10.06 US

Filing date 20 April 2007

Wipo publication date 22 May 2008

Acceptance publication date 3 November 2011

International Classifications

E21B 36/00 (2006.01) Heating, cooling, or insulating arrangements for boreholes or wells, e.g. for use in permafrost zones

Event Publications

23 October 2008 PCT application entered the National Phase

  PCT publication WO2008/060668 Priority application(s): WO2008/060668

3 November 2011 Application Accepted

  Published as AU-B-2007319714

1 March 2012 Standard Patent Sealed

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