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水泥(石灰)稳定土灰剂量标准曲线回归分析 被引量:7
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作者 丁百湛 霍飞 陈海新 《路基工程》 北大核心 2006年第6期48-49,共2页
通过对灰剂量标准曲线进行回归分析,利用电子表格建立EDTA耗量与灰剂量的回归方程,为实测灰剂量提供方便、快捷、准确的检测数据。
关键词 ED7A耗量 灰剂量标准曲线电子表格 回归分析
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Investigation on influence factors of dual laterologs curve form
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作者 Xiaomin FAN Lei LU 《Global Geology》 2008年第1期52-58,共7页
In order to investigate the influences of caliper, formation thickness and invaded zone on the form of dual laterologs, forward modeling technique were applied to calculate the dual laterologs for different cases. The... In order to investigate the influences of caliper, formation thickness and invaded zone on the form of dual laterologs, forward modeling technique were applied to calculate the dual laterologs for different cases. The result shows that the resistivity logs become smoother and lower as the borehole diameter increases, the increase of the contrast between mud resistivity and formation resistivity induce the logs to be more pointed. When the formation thickness is less than 1m, the two-peak on the logs for resistive invasion vanished, and for thickness between 1 m and 4 m, the form of logs does not vary significantly. If the formation thickness is greater than 4 m, a platform appears on the logs at the middle of the formation. The thinner the invaded zone is, the more obvious the invasion feature on the laterologs is. For thick invaded zone the form of logs tend to be that of an uninvaded resistive formation. The form and amplitude of logs depend on the resistivity contrast between invaded zone, uninvaded formation and adjacentlayers. 展开更多
关键词 侧向测井 钻井纪律 曲线表格 地质工程
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