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Petrophysics: Gamma Ray Normalization in Python

Andy McDonald
8 min readOct 18, 2020

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Normalization of well log data is a common and routine process within a petrophysical workflow and is used to correct for variations in logging curves between wells. These variations can arise due a number of different reasons such as incorrect tool calibrations, varying tool vintage and changes in borehole environmental conditions between the wells.

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