Spectral gamma ray downhole logging tool
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United States of America Patent
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Sep 14, 2021
Grant Date -
Sep 17, 2020
app pub date -
Apr 28, 2020
filing date -
Aug 17, 2018
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Abstract
A variety of applications can include a gamma ray logging system having a gamma ray detector, where temperature sensitivity of the gamma ray detector is accounted for in the operation of the logging system. Correction of sensitivity of the gamma ray detector can include using a measure of sensitivity drift derived from temperature binned gamma ray spectra from measurements by the gamma ray detector over a calibration period for a number of calibration periods. Additional apparatus, systems, and methods are disclosed.
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