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自然伽玛测井是判断储集层、求得粘土矿物含量的重要测井方法,但是由于它受各种因素的影响,往往造成错误的解释。本文根据四川碳酸盐岩地层测井的经验,分析了引起自然放射性异常的原因以及研究这些异常对于测井解释的意义。
Natural gamma ray logging is an important logging method for determining the reservoir and obtaining the clay mineral content. However, it is often misunderstood because it is affected by various factors. Based on the logging experience of carbonate rocks in Sichuan Province, this paper analyzes the causes of natural radioactive anomaly and the significance of studying these anomalies for logging interpretation.