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LT - INSULATED CONDUCTOR TEMPERATURE LIMITED HEATER FOR SUBSURFACE HEATING COUPLED IN A THREE-PHASE WYE CONFIGURATION
EN - INSULATED CONDUCTOR TEMPERATURE LIMITED HEATER FOR SUBSURFACE HEATING COUPLED IN A THREE-PHASE WYE CONFIGURATION

Legal status

Patent not validated

Bibliographic data
Indications of the International Patent Classification (IPC)
(51) INT.CL. E21B 43/24
E21B 43/17
E21B 43/30
E21B 36/04
European patent
(11) Number of the document 1871978
(13) Kind of document T
(96) European patent application number 06750964.6
Date of filing the European patent application 2006-04-21
(97) Date of publication of the European application 2008-01-02
(45) Date of publication and mention of the grant of the patent 2016-11-23
(46) Date of publication of the claims translation
PCT application
(86) Number PCT/US2006/015084
Date 2006-04-21
PCT application publication
(87) Number WO 2006/116078
Date 2006-11-02
Priority applications
(30) Number Date Country code
674081 P 2005-04-22 US
Inventors
(72)
SANDBERG, Chester Ledlie, US
VINEGAR, Harold J., US
Grantee
(73) Shell Internationale Research Maatschappij B.V., Carel van Bylandtlaan 30, 2596 HR Den Haag, NL
Title
(54) INSULATED CONDUCTOR TEMPERATURE LIMITED HEATER FOR SUBSURFACE HEATING COUPLED IN A THREE-PHASE WYE CONFIGURATION
  INSULATED CONDUCTOR TEMPERATURE LIMITED HEATER FOR SUBSURFACE HEATING COUPLED IN A THREE-PHASE WYE CONFIGURATION
Last update date 2021-04-30