Skin-effect based heating cable, heating unit and method

The invention relates to the skin-effect based induction-resistive heating units and can be used in devices intended for prevention of paraffin-hydrate deposits formation in oil-and-gas wells and pipelines, as well as for warming up of viscous products in pipelines and vessels for the purpose of the...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	Strupinskiy, Mikhail Leonidovich
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS CABLES CONDUCTORS EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING ELECTRIC HEATING ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY FIXED CONSTRUCTIONS INSULATORS MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING ORDIELECTRIC PROPERTIES
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Beschreibung
Zusammenfassung:	The invention relates to the skin-effect based induction-resistive heating units and can be used in devices intended for prevention of paraffin-hydrate deposits formation in oil-and-gas wells and pipelines, as well as for warming up of viscous products in pipelines and vessels for the purpose of their transporting and pumping. The skin-effect based heating cable contains the center conductor, the inner insulation layer and the ferromagnetic outer conductor coaxially located around them. The invention enables to simplify using due to increase of the heating cable flexibility and due to reduce the energy consumption at its operation.