| AVO分析中的剩余时差校正 |
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| 引用本文： | 曲寿利.AVO分析中的剩余时差校正[J].石油地球物理勘探,1991(4). |
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| 作者姓名： | 曲寿利 |
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| 作者单位： | 胜利石油管理局电子计算中心 |
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| 摘 要： | 在进行AVO分析时,由于速度误差的影响,CDP道集的反射波经动校正后的同相轴仍有扭曲现象,即存在着剩余时差,对AVO分析有很大影响。为此,本文采用地震资料处理中的统计方法,分层位开时窗,分别统计各层各道的剩余静校正量,然后再作纵向内插,进行变时、空静校正处理,消除了这种剩余时差。算例表明,经剩余时差校正处理后的CDP道集,可提高AVO分析的精度。
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| 关 键 词： | AVO分析 剩余时差校正 |
Residual moveout correction in AVO analysis, |
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| Qu Shouli Computer Center,Shengli Oil Management Bureau,Dongying City,Shandong Province,China,Internal postcode:.Residual moveout correction in AVO analysis,[J].Oil Geophysical Prospecting,1991(4). |
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| Authors: | Qu Shouli Computer Center Shengli Oil Management Bureau Dongying City Shandong Province China Internal postcode: |
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| Affiliation: | Qu Shouli Computer Center,Shengli Oil Management Bureau,Dongying City,Shandong Province,China,Internal postcode: 257100 |
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| Abstract: | Because of the influence of velocity error, the NMO corrected events of CDP gather still look not straight,that is to say,there exist residual moveouts, causing bad influence on AVO analysis. The residual moveouts can be removed by opening time window according to horizons, censusing the residual static moveouts of every trace in each horizon, making interpolation in time direction and performing residual static correction in which correction values vary in time and space directions. It has been shown that the residual moveout corrected CDP gather favours the improvement of AVO analysis accuracy. |
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| Keywords: | AVO analysis residual moveout correction |
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