This paper attempts to use natural gamma-ray logging data in the research of clay strata formed by volcanic events.

本文将自然伽玛测井资料试用在火山事件粘土岩层的研究中。

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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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The radioactivity variation of the shallow part of Yellow River delta with the natural gamma ray spectrum logging from 16 Wells is studied.

通过16口浅层自然伽马能谱测井资料分析黄河三角洲浅层放射性的区域变化状况。

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Precision steerable drilling hugely benefits from yet more technology real-time data from a technique called logging-while-drilling using technologies like gamma ray and neutron sensors that continuously analyze and report what precisely is in the ground at that point.

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