... gamma-ray tool 伽马测井仪 gamma-ray well logging 自然伽马测井 gamma-ray-emitting tracer 发射伽马射线的示踪剂 ...
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Natural gamma ray spectral log is a new type of well logging method.
自然伽马能谱测井是一种新的测井方法。
Natural gamma logging is a kind of most basic methods of well logging in cased Wells which measure with gamma ray detector along well during logging.
自然伽马测井是套管井测井中一种最基本的方法。它以地层自然放射性为基础，测井时用伽马射线探测器沿井眼进行测量。地层中的自然伽马放射性不是一成不变的。
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