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Analysis on genesis of distortion of ore layer density-logging curve at northern Ordos basin
Author(s): 
Pages: 105-111,122
Year: Issue:  2
Journal: URANIUM GEOLOGY

Keyword:  伽玛异常密度测井砂岩型铀矿畸变分析;
Abstract: 本文概述了密度测井原理,分别对长源距计数率、短源距计数率及密度曲线进行分析,对由于放射性异常引起的长源距计数率、短源距计数率及密度变化情况进行了讨论,初步解释了放射性异常层位密度曲线的变化因素,说明了鄂尔多斯盆地北部地区密度测井曲线在放射性矿段的变化原因.总结出了修正畸变的经验公式,并在实际应用中取得了较好的效果.
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