Temperature limited heater with a conduit substantially electrically isolated from the formation

Details for Australian Patent Application No. 2006306404 (hide)

Owner Shell Internationale Research Maatschappij B.V.

Inventors Sandberg, Chester Ledlie; Vinegar, Harold J.

Agent Davies Collison Cave

Pub. Number AU-B-2006306404

PCT Pub. Number WO2007/050469

Priority 60/729,763 24.10.05 US; 60/794,298 21.04.06 US

Filing date 20 October 2006

Wipo publication date 3 May 2007

Acceptance publication date 9 December 2010

International Classifications

E21B 43/24 (2006.01) Obtaining fluids from wells

E21B 36/00 (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

Event Publications

8 May 2008 PCT application entered the National Phase

  PCT publication WO2007/050469 Priority application(s): WO2007/050469

9 December 2010 Application Accepted

  Published as AU-B-2006306404

24 February 2011 Application for Amendment

  The nature of the amendment is: Amend the invention title to read Applications and installation of a heating system having a conduit electrically isolated from a formation. Address for service in Australia - Davies Collison Cave 1 Nicholson Street Melbourne VIC 3000

16 June 2011 Amendment Made

  The nature of the amendment is: Amend the invention title to read Applications and installation of a heating system having a conduit electrically isolated from a formation

16 June 2011 Standard Patent Sealed

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