Refrigeration – Refrigeration producer – Evaporator – e.g. – heat exchanger
Patent
1980-06-19
1982-02-16
Capossela, Ronald C.
Refrigeration
Refrigeration producer
Evaporator, e.g., heat exchanger
250261, F25B 1900
Patent
active
043154174
ABSTRACT:
A borehole logging tool and cryostat therefor to maintain a semiconductor detector at cryogenic temperatures. The cryostat has an elongate single-phase heat sink of solid, thermally conductive material on which the detector is removably mounted. The other end of the heat sink is arranged to receive a liquid cryogen or the cold finger of a helium refrigerator, which is removed before a logging run; the detector being maintained at cryogenic temperatures during the logging run by absorption and retention of heat in the solid, single-phase heat sink.
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Capossela Ronald C.
Schlumberger Technology Corporation
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