| 四参数速度分析法及其在垦71地区转换波资料处理中的应用 |
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| 引用本文： | 毕丽飞,王延光,夏吉庄,石建新,左建军,王高成,李向阳.四参数速度分析法及其在垦71地区转换波资料处理中的应用[J].油气地球物理,2006,4(3):27-31. |
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| 作者姓名： | 毕丽飞 王延光 夏吉庄 石建新 左建军 王高成 李向阳 |
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| 作者单位： | [1]胜利油田分公司物探研究院,257022 [2]英国地质调查局,257022 |
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| 摘 要： | 胜利油田垦71地区多分量地震数据采用微型机电系统(MEMS)数字检波器采集。受转换波非对称路径和各向异性的影响,剖面中非双曲同相轴广泛存在。传统的速度分析基于各向同性理论,动校正时无法把同相轴拉平。本文基于四参数理论,利用不同偏移距的动校正信息估算不同的参数,确保了同相轴的同相叠加。该方法在垦71地区三维多波资料处理中取得了较好的效果。
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| 关 键 词： | 转换波 处理 四参数 速度分析 应用 |
| 收稿时间： | 2006-05-11 |
| 修稿时间： | 2006-06-02 |
Four parameters velocity analysis and its application in 3D converted-wave data processing in Ken71 area |
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| BI Li-fei, WANG Yan-guang, XIA Ji-zhuang ,SHI Jian-xin, ZUO Jian-jun , WANG Gao-eheng, LI Xiang-yang.Four parameters velocity analysis and its application in 3D converted-wave data processing in Ken71 area[J].Petroleum Geophysics,2006,4(3):27-31. |
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| Authors: | BI Li-fei WANG Yan-guang XIA Ji-zhuang SHI Jian-xin ZUO Jian-jun WANG Gao-eheng LI Xiang-yang |
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| Affiliation: | 1. Geophysical Research Institute of Shengli Oilfield Branch Co., Dongying 257022, China; 2. British Geological Survey |
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| Abstract: | The multi-component seismic data were acquired by micro-electro mechanical systems (MEMS) in Ken71 area in Shengli Oilfield. The non-hyperbolic events can be seen in sections as the influences of converted-wave asymmetry paths and anisotropy. The events can not be flattened in NMO correction as the traditional velocity analysis is based on isotropy theory. The paper introduces the four parameters velocity analysis. It calculates different parameters by using dynamic correction of different offsets to ensure in-phased stack of the events. A good result was obtained in 3D converted-wave data processing acquired from Ken71 area. |
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| Keywords: | converted-waves processing four parameters velocity analysis and application |
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