well-log

基本解释

The obtained conclusion provides a premise for the application of chaotic time series analysis in well-log facies recognition.
这一结论为混沌时间序列分析方法应用于测井曲线识别领域提供了前提条件。
The natural gamma well-log of layers appear to be in smooth pattern since it's effected by well parameters and wall rocks within the range of measurement.
由于自然伽马测井曲线受到探测范围内的井参数与围岩的影响，使得在岩层上的曲线呈圆滑状。
The least squares estimator is utilized to determine the number and positions of the change-points in the well-log data, which are interpreted to be lithologic boundaries.
根据测井测量井段的长度与相应测井曲线的垂向分辨率之比，提出了估计变点个数上限的方法；

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测井曲线
In the inversion of well-log and the extraction of features, the Walsh function and Sequence Analysis is introduced, which raises the vertical resolution, protrudes the limit of layers and extracts more effective features.
沃尔什函数及序谱分析被用到了测井曲线反演与特征提取上，结合测井曲线的短期平稳性，提高了测井曲线的纵向分辨率，突出了薄层和层段界限，并提取了有效的序谱特征。