Well logging evaporative thermal protection system

Details Well logging evaporative thermal protection system Well logging evaporative thermal protection system

1979-02-21

1981-02-03

Novosad, Stephen J.

Wells

With heating, refrigerating or heat insulating means

62259A, 138111, 138134, 166302, E21B 4700, F25D 1702, F25D 2312

Patent

active

042482984

ABSTRACT:
An evaporative thermal protection system for use in hostile environment well logging applications, the system including a downhole thermal protection cartridge disposed within a well logging sonde or tool to keep a payload such as sensors and support electronics cool, the cartridge carrying either an active evaporative system for refrigeration or a passive evaporative system, both exhausting to the surface through an armored flexible fluidic communication mechanical cable.

REFERENCES:
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patent: 3049620 (1962-08-01), George et al.
patent: 3138337 (1967-05-01), Bauer
patent: 3167653 (1965-01-01), Rumble et al.
patent: 3435629 (1969-04-01), Hallenburg
patent: 3488970 (1970-01-01), Hallenburg
patent: 3499668 (1970-03-01), Cullen et al.
patent: 3526086 (1970-09-01), Morgan
patent: 3853149 (1974-12-01), Stine

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