| 基于地震同相轴预测的剩余静校正方法研究 |
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| 引用本文： | 黄棱,刘洋,刘殿秘,刘财,王铁柱.基于地震同相轴预测的剩余静校正方法研究[J].世界地质,2018,37(3):930-937. |
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| 作者姓名： | 黄棱 刘洋 刘殿秘 刘财 王铁柱 |
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| 作者单位： | 1. 中国石油 吉林油田公司 地球物理勘探研究院, 吉林 松原 138000;2. 吉林大学 地球探测科学与技术学院, 长春 130026;3. 中国石油吉林油田公司 新木采油厂, 吉林 松原 138000 |
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| 基金项目： | 国家自然科学基金项目（41774127，41522404，41430322）资助. |
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| 摘 要： | 为解决野外地表参数测定不准确等因素引起的地震数据剩余静校正问题,通过平面波分解滤波器计算时空变地震同相轴局部倾角,利用局部倾角与同相轴的时空预测量之间的关系计算剩余静校正量,在剩余静校正量计算所需局部平面波方程求解过程中,加入时间方向倾角为常数的整形正则化约束条件,以保证剩余静校正方法的准确性。结果表明,基于地震同相轴预测的剩余静校正方法可以有效地处理共中心点道集数据的剩余静校正问题,同时本方法具有一定的抗噪能力,为实际资料处理提供了较好的适用性。
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| 关 键 词： | 剩余静校正 局部平面波 地震同相轴预测 整形正则化 |
| 收稿时间： | 2018-04-20 |
| 修稿时间： | 2018-06-04 |
Residual static correction based on seismic event prediction |
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| HUANG Ling,LIU Yang,LIU Dian-mi,LIU Cai,WANG Tie-zhu.Residual static correction based on seismic event prediction[J].World Geology,2018,37(3):930-937. |
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| Authors: | HUANG Ling LIU Yang LIU Dian-mi LIU Cai WANG Tie-zhu |
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| Institution: | 1. Research Institute of Geophysical Prospecting, Jilin Oilfield Company, PetroChina, Songyuan 138000, Jilin, China;2. College of Geo-exploration Science and Technology, Jilin University, Changchun 130026, China;3. Xinmu Oil Production Company, Jilin Oilfield Company, PetroChina, Songyuan 138000, Jilin, China |
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| Abstract: | The plane wave decomposition filter is used to calculate the temporal-spatial varying local dip angles of seismic events to solve the problems of seismic residual static correction caused by inaccurate measurement of field surface parameters. The relationship between the local dip angles and the temporal-spatial prediction of seismic events is used to calculate the values of the residual static correction. The shaping regularization constraint with constant time dip angles is added in the process of solving the local plane wave equation for the residual static correction calculation to ensure the accuracy of the residual static correction method. The results show that the residual static correction method based on seismic event prediction can effectively deal with the residual static correction problem in the CMP trace gather. Meanwhile, the proposed method has the anti-noise property to some extent, which provides applicability for the field data processing. |
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| Keywords: | residual static correction local plane wave seismic event prediction shaping regularization |
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