| 基于MATLAB的煤田核测井信号小波滤波方法研究 |
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| 引用本文： | 钟雷文. 基于MATLAB的煤田核测井信号小波滤波方法研究[J]. 科学技术与工程, 2009, 9(2) |
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| 作者姓名： | 钟雷文 |
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| 作者单位： | 福建省121煤田地质勘探队,龙岩,364021 |
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| 摘 要： | 核测井技术在煤田测井中发挥了其它测井技术不可替代的作用,在确定煤层的埋深、厚度及结构上显示出越来越大的优势.但放射性测井信号中的随机信号会导致测井曲线出现与地层性质无关的统计起伏变化;有时也会由于某种原因使测井曲线出现毛刺干扰,因此需要把这些统计起伏和毛刺干扰滤除,只保留反映地层特性的有用信息.文中根据小波滤波原理对核测井信号进行滤波处理,为煤层的准确评价提供较为准确的数据.
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| 关 键 词： | 核测井信号 数据处理 小波滤波 MATLAB工具箱 |
Study Way of Wavelet Filter of Nuclear Logging Signal by MATALAB |
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| ZHONG Lei-wen. Study Way of Wavelet Filter of Nuclear Logging Signal by MATALAB[J]. Science Technology and Engineering, 2009, 9(2) |
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| Authors: | ZHONG Lei-wen |
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| Affiliation: | Fujian No.121 Coal Geological Exploration Team;Longyan 364021;P.R.China |
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| Abstract: | Nuclear logging technology is playing an irreplaceable role in coalfield well logging and shows great advantage of the determination of buried depth,thickness and structure of coal seams.Elimination of statistical fluctuant changes and glitches is essential because random parts of radioactive logging signals will lead to statistical fluctuant changes of logging curve which is unrelated to properties of formation and cause glitches of logging curves sometimes.Wavelet filter method is used for filtering proce... |
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| Keywords: | nuclear logging signal data processing wavelet filter MATALAB tool box |
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