Reduction of heat loads applied to frozen barriers and freeze wells in subsurface formations

Details for Australian Patent Application No. 2006239988 (hide)

Owner Shell Internationale Research Maatschappij B.V.

Inventors Keltner, Thomas Joseph; Watkins, Ronnie Wade; Griffin, Peter Terry; Miller, David Scott; Bass, Ronald Marshall; Sandberg, Chester Ledlie; Stegemeier, George Leo; Fowler, Thomas David; Nair, Vijay; Menotti, James; John, Randy Carl; Hsu, Chia-Fu; Samuel, Allan James; Wong, Sau-Wai; Diaz, Zaida; Ginestra, Jean-Charles; Fairbanks, Michael David; Cowan, Kenneth Michael; Hirshblond, Stephen Palmer; Coit, William George; Xie, Xueying; Mason, Stanley Leroy; Kim, Dong-Sub; Hamilton, Paul Taylor; Deeg, Wolfgang; Har

Agent Davies Collison Cave

Pub. Number AU-B-2006239988

PCT Pub. Number WO2006/116122

Priority 60/729,763 24.10.05 US; 60/674,081 22.04.05 US

Filing date 21 April 2006

Wipo publication date 2 November 2006

Acceptance publication date 1 July 2010

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

8 November 2007 PCT application entered the National Phase

  PCT publication WO2006/116122 Priority application(s): WO2006/116122

1 July 2010 Application Accepted

  Published as AU-B-2006239988

28 October 2010 Standard Patent Sealed

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