Downhole thermoelectric refrigerator

Details Downhole thermoelectric refrigerator Downhole thermoelectric refrigerator

1981-12-23

1983-03-01

Capossela, Ronald C.

Refrigeration

Refrigeration producer

Evaporator, e.g., heat exchanger

62 3, 62260, 165 45, 16510421, F25B 1900

Patent

active

043751571

ABSTRACT:
Cooling of electronic components, positioned downhole in a high temperature environment in a deep well, is achieved by a thermoelectric cooling system within a long vacuum insulated dewar flask which encompasses the electronic components and the cooling system. The electronic components are directly mounted on the cold plate of the cooling system and will be cooled down to a temperature well below the downhole ambient temperature. A long vapor phase heat transfer pipe and a heat exchanger, which is connected to the pipe's upper end and is immersed in the well fluid, convey heat from the hot plate of the cooling system to the fluid and to the downhole environment which will function as a heat sink, the hot plate temperature being greater than the ambient temperature.

REFERENCES:
patent: 3666566 (1972-05-01), Paine
patent: 3702932 (1972-11-01), Tanner et al.
patent: 4199953 (1980-04-01), Richter, Jr. et al.

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