Patent ID: 9500753
Filing Date: 2016-11-22
CPC Classification: G01T,G01V

Claim Text:
1. A system for measuring natural gamma rays in a wellbore, the system comprising: a downhole gamma ray detector that provides signals that scale with energy deposited by gamma rays in the downhole gamma ray detector; an electronics unit electrically coupled to the downhole gamma ray detector for converting the signals including preparing digital signals; a processing unit electrically coupled to the electronics unit, wherein the processing unit comprises one or more memories for storing data or instructions and one or more processors associated with the one or more memories; wherein the electronics unit and processing unit are operable to sort the digital signals from the downhole gamma ray detector into channels according to amplitude of the digital signals and storing the sorted digital signals as an energy spectrum; and wherein the one or more processors in association with the one or more memories is configured to: