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首页> 外文期刊>Journal of Applied Geophysics >Wavelet transform analysis for lithological characteristics identification in siliciclastic oil fields
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Wavelet transform analysis for lithological characteristics identification in siliciclastic oil fields

机译:小波变换分析在硅质碎屑岩岩性特征识别中的应用

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In this work, we propose the application of the wavelet transform analysis in well-logs (radioactivity, resistivity and sonic) to identify facies. The wavelet transform is applied to a set of well-log data for identifying correlations between wavelet coefficients and lithofacies sequences. Our results indicate that the scales, in a multiscale analysis, are related to the rock thickness and depending on the scale used it is possible to identify other particular or general sequences. The results obtained are compared and corroborated by standard geological procedures for lithological characterization, indicating that the wavelet analysis provides qualitative guides for the identification of lithological properties in wells. All our analyses are based on a siliciclastic oil field that belongs to Chicontepec Formation of the Tampico-Misantla basin in Mexico.
机译:在这项工作中,我们建议将小波变换分析在测井曲线(放射性,电阻率和声波)中的应用来识别相。小波变换被应用于一组测井数据,以识别小波系数与岩相序列之间的相关性。我们的结果表明,在多尺度分析中,尺度与岩石厚度有关,根据所使用的尺度,有可能识别其他特定或一般序列。通过标准地质程序对获得的结果进行了比较和证实,以进行岩性表征,表明小波分析为确定井中的岩性提供了定性指导。我们所有的分析都基于属于墨西哥Tampico-Misantla盆地Chicontepec组的硅质碎屑油田。

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