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Method for evaluating formations using neutron induced gamma ray measurements
Method for evaluating formations using neutron induced gamma ray measurements
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机译:使用中子诱发伽马射线测量评估地层的方法
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摘要
A method for evaluating a formation includes determining a number of detected gamma rays resulting from imparting neutrons into a formation. The detected gamma rays are each characterized by an energy level thereof. The gamma rays are detected at a first distance from a position of imparting the neutrons into the formation. Those of the detected gamma rays attributable to neutron capture by hydrogen nuclei are removed from the number of detected gamma rays. The number of detected gamma rays having hydrogen neutron capture gamma rays removed therefrom are used to calculate a property of the formation.
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