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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。
- Fractal theory is applied in the provenance analysis, namely, the fractal dimension of natural gamma logging curve is used in the provenance analysis. 摘要将分形理论应用于沉积物源方向的分析，即利用自然伽马测井曲线的分形维数进行物源方向分析。
- Determination of photomultiplier working points is the key problem in solving process of natural gamma ray logging instrument (NGRLI), and also the main issue puzzling NGRLI. 自然伽玛测井仪在调试过程中的关键问题是光电倍增管工作点的确定,也是困绕测井仪的主要问题。
- This paper theoretically discusses the relationship between the natural gamma ray spectrometry (NGS) and clayey mass fraction and cation exchange capacity (CEC) in the stratum. 阐述了地层中的自然伽马能谱与泥质质量分数及阳离子交换量的关系，介绍一种利用自然伽马能谱确定泥质质量分数和阳离子交换量的方法。
- What natural gamma well logging measured is total natural gamma radioactivity in layer,and it is a kind of most basic method in casing pipe well logging. 自然伽马测井测量的是地层总的自然伽马放射性,是套管井测井的一种最基本的方法。
- The data of natural gamma ray spectrum logging are of well conformity with the contents of thorium, uranium and potassium obtained by surface gamma ray survey, laboratory analysis and aerial gamma ray spectrum survey. 对自然伽马能谱测井仪、面伽马能谱、内分析、空伽马能谱测量的同一地点钍、、元素含量进行对比分析得知，各种方法所得结果具有较好的一致性。
- compensated spectral natural gamma too 补偿自然伽马能谱测井仪
- Natural Gamma Ray Spectrum Logging Survey 自然伽玛能谱测井
- This paper analyzes the cause that leads to abnormal phenomenon occurring outside casing during logging with the nature gamma rav tool and presents reliable solutions to it. 分析了自然伽马测井仪在套后井测量中出现的异常现象的原因并提出了可靠的解决方法。
- Natural gamma spectromenter of logger 自然伽玛能谱测井仪
- natural gamma ray spectrometry log 自然伽马能谱测井
- natural gamma ray spectrometry logging 自然伽马能谱测井
- natural gamma ray spectrum logging 自然伽马能谱测井
- Keywords natural gamma ray;logging;photomultiplier; 自然伽玛;测井;光电倍增管;
- Natural gamma spectroscopy logging tool 自然伽玛能谱测井仪
- It is natural for a cat to catch mice. 猫捉老鼠是本能。
- It's natural to slack2 off towards the end of a hard day's work. 一天紧张工作快结束的时候有些放松是自然的。
- Many natural materials are becoming scarce. 许多天然原料越来越少。
- The disposal of gentle filter on natural gamma energy spectrum 自然伽马能谱的平滑滤波处理
- Our motherland flows with natural resources. 我们祖国蕴藏着丰富的天然资源。
