SUBSEA HEAT EXCHANGER AND METHOD FOR TEMPERATURE CONTROL

The invention concerns a subsea heat exchanger for cooling or heating a hydrocarbon-containing fluid, said heat exchanger comprising: a convection section enclosed by a shell or enclosure comprising: one or more heat exchanging fluid inlet(s) and outlet(s); one or more hydrocarbon-containing fluid i...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	FREDHEIM, ARNE OLAV, RUSTEN, BERNT HENNING, SKOFTELAND, GUNLEIV, KAASA, BAARD, MARAK, KNUT ARILD
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	BLASTING DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OFGENERAL APPLICATION EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS HEAT EXCHANGE IN GENERAL HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS,IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT HEATING LIGHTING MECHANICAL ENGINEERING MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS WEAPONS
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Beschreibung
Zusammenfassung:	The invention concerns a subsea heat exchanger for cooling or heating a hydrocarbon-containing fluid, said heat exchanger comprising: a convection section enclosed by a shell or enclosure comprising: one or more heat exchanging fluid inlet(s) and outlet(s); one or more hydrocarbon-containing fluid inlet(s) and outlet(s); and one or more fluid carrying convection tube(s) adapted for heat transfer between the hydrocarbon-containing fluid on the inside of the tube(s) and a surrounding heat exchanging fluid on the opposite side of the tube(s),wherein the heat exchanger is provided with one or more flow regulating device(s) for controlling the hydrocarbon- containing fluid outlet temperature, wherein the heat exchanging fluid circulates in a closed circuit for heat transfer both with said hydrocarbon-containing fluid and with surrounding sea water on the outside of the enclosure. The invention also concerns a method for subsea cooling or heating of a hydrocarbon containing fluid.