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Application of Linear Scale and Time Difference Curve of Acoustic Variable Density Log
Author(s): 
Pages: 77-78,89
Year: Issue:  1
Journal: WELL LOGGING TECHNOLOGY

Keyword:  声波变密度测井线性刻度时差曲线应用;
Abstract: 阐述了声波变密度测井时对其进行测前、测后线性刻度及记录时差曲线的必要性.测前、测后线性刻度对分析、判定变密度测井曲线的真实性与准确性体现在对井下波列的限幅与畸变程度、检测仪器的线性放大状态和稳定程度.时差曲线则可以根据时差的大小验证快速地层;由曲线的变化幅度判断仪器在井中的居中程度;结合首波的幅度曲线/波列的变密度曲线验证胶结状况是否良好;利用时差曲线的变化确定套管接箍位置等.
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