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1. WO2020185089 - EXTENSION OF DIRECT ELECTRICAL HEATING SYSTEMS

Publication Number WO/2020/185089
Publication Date 17.09.2020
International Application No. PCT/NO2020/050056
International Filing Date 03.03.2020
IPC
F16L 53/34 2018.01
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
16ENGINEERING ELEMENTS OR UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
53Heating of pipes or pipe systems; Cooling of pipes or pipe systems
30Heating of pipes or pipe systems
34using electric, magnetic or electromagnetic fields, e.g. induction, dielectric or microwave heating
F16L 53/35 2018.01
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
16ENGINEERING ELEMENTS OR UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
53Heating of pipes or pipe systems; Cooling of pipes or pipe systems
30Heating of pipes or pipe systems
35Ohmic-resistance heating
F16L 53/37 2018.01
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
16ENGINEERING ELEMENTS OR UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
53Heating of pipes or pipe systems; Cooling of pipes or pipe systems
30Heating of pipes or pipe systems
35Ohmic-resistance heating
37the heating current flowing directly through the pipe to be heated
H05B 3/00 2006.01
HELECTRICITY
05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
BELECTRIC HEATING; ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR
3Ohmic-resistance heating
H05B 3/02 2006.01
HELECTRICITY
05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
BELECTRIC HEATING; ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR
3Ohmic-resistance heating
02Details
CPC
F16L 53/37
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
53Heating of pipes or pipe systems; Cooling of pipes or pipe systems
30Heating of pipes or pipe systems
35Ohmic-resistance heating
37the heating current flowing directly through the pipe to be heated
H05B 1/0244
HELECTRICITY
05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
BELECTRIC HEATING; ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR
1Details of electric heating devices
02Automatic switching arrangements specially adapted to apparatus ; ; Control of heating devices;
0227Applications
023Industrial applications
0244Heating of fluids
H05B 2214/03
HELECTRICITY
05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
BELECTRIC HEATING; ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR
2214Aspects relating to resistive heating, induction heating and heating using microwaves, covered by groups H05B3/00, H05B6/00
03Heating of hydrocarbons
H05B 3/40
HELECTRICITY
05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
BELECTRIC HEATING; ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR
3Ohmic-resistance heating
40Heating elements having the shape of rods or tubes
H05B 3/56
HELECTRICITY
05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
BELECTRIC HEATING; ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR
3Ohmic-resistance heating
40Heating elements having the shape of rods or tubes
54flexible
56Heating cables
Applicants
  • EQUINOR ENERGY AS [NO]/[NO]
Inventors
  • BORNES, Atle Harald
Agents
  • LIND, Robert
Priority Data
1903364.612.03.2019GB
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) EXTENSION OF DIRECT ELECTRICAL HEATING SYSTEMS
(FR) EXTENSION DE SYSTÈMES DE CHAUFFAGE ÉLECTRIQUE DIRECT
Abstract
(EN)
A method of providing direct electrical heating, DEH, to one or more of at least three subsea pipelines is disclosed. The pipelines are attached to a common structure and a first set of DEH cables associated with a first subsea pipeline terminates at or near the structure. Terminal ends of the first set of DEH cables are coupled into an input of a switching device. Terminal ends of sets of DEH cables respectivelyassociated with further pipelines are coupled to respective outputs of the switching device. The switching device couples the terminal ends of the first setof DEH cables either together or to terminal ends of the one or more further sets of DEH cables.
(FR)
Cette invention concerne un procédé de fourniture d'un chauffage électrique direct (DEH) à un ou plusieurs d'au moins trois pipelines sous-marins. Les pipelines sont fixés à une structure commune et un premier ensemble de câbles de chauffage électrique direct associé à un premier pipeline sous-marin se termine au niveau ou à proximité de la structure. Les extrémités terminales du premier ensemble de câbles de chauffage électrique direct sont couplées à une entrée d'un dispositif de commutation. Les extrémités terminales des ensembles de câbles de chauffage électrique direct respectivement associés à d'autres pipelines sont couplées à des sorties respectives du dispositif de commutation. Le dispositif de commutation couple les extrémités terminales du premier ensemble de câbles de chauffage électrique direct soit les unes aux autres soit aux extrémités terminales du/des autre(s) ensemble(s) de câbles de chauffage électrique direct.
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