Fremgangsmate og anordning for nedihulls frembringelse av elektrisk kraft

Electric power is generated downhole in a well using a thermoelectric device. A temperature gradient or differential DELTA T present in the well is applied to the thermoelectric device to produce a voltage potential across the output terminals of the device. The thermoelectric device includes a firs...

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Bibliographische Detailangaben
Hauptverfasser:	ROBINSON CLARK E, SCHNATZMEYER MARK ALAN
Format:	Patent
Sprache:	nor
Schlagworte:	EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING ELECTRICITY FIXED CONSTRUCTIONS MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS
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Beschreibung
Zusammenfassung:	Electric power is generated downhole in a well using a thermoelectric device. A temperature gradient or differential DELTA T present in the well is applied to the thermoelectric device to produce a voltage potential across the output terminals of the device. The thermoelectric device includes a first thermocouple coupled to a heat source and a second thermocouple coupled to a heat sink source. The electric power generated by the thermoelectric device is used to recharge battery packs located downhole or to power electrical devices or systems.