ACTIVE AND PASSIVE REFRIGERATION SYSTEMS FOR DOWNHOLE MOTORS

A pumping system has a motor, a shaft assembly connected to the motor, a production pump connected to the shaft assembly and driven by the motor, an electrical generator connected to the shaft assembly and driven by the motor, an oil circulation pump connected to shaft assembly and driven by the mot...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	PIRES, JUAN CRUZ, TEVES, RICARDO HECTOR, OYARZUN, RAUL ALEJANDRO, RUSSO, MARTIN
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	BLASTING CONVERSION OR DISTRIBUTION OF ELECTRIC POWER DYNAMO-ELECTRIC MACHINES EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING ELECTRICITY FIXED CONSTRUCTIONS GENERATION HEATING LIGHTING MECHANICAL ENGINEERING MINING NON-POSITIVE DISPLACEMENT PUMPS OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS WEAPONS
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Beschreibung
Zusammenfassung:	A pumping system has a motor, a shaft assembly connected to the motor, a production pump connected to the shaft assembly and driven by the motor, an electrical generator connected to the shaft assembly and driven by the motor, an oil circulation pump connected to shaft assembly and driven by the motor, and a heat exchanger. The heat exchanger includes an outer housing, a heat exchange core inside the outer housing, a plurality of heat exchange fluid passages extending through the heat exchange core, and one or more thermoelectric cooling modules in contact with the outer housing and the heat exchange core. The one or more thermoelectric cooling modules are powered by the output from the electrical generator. The oil circulation pump circulates motor lubricant oil between the motor and the heat exchanger.