| 基于VSP的透射PS波成像 |
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| 引用本文： | 樊鹏军,韩立国,李志远.基于VSP的透射PS波成像[J].吉林大学学报(地球科学版),2007(Z1). |
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| 作者姓名： | 樊鹏军 韩立国 李志远 |
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| 作者单位： | [1]吉林大学地球探测科学与技术学院 [2]长春 |
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| 摘 要： | 利用弹性波动方程进行了非零偏移距VSP波场的数值模拟,通过偏振投影和中值滤波技术相结合进行波场分离,对分离后的反射P波和透射PS波利用动校正(NMO)和VSPCDP叠加技术进行成像。成像结果表明:透射PS波成像与反射P波成像具有同样良好的效果,而且透射PS波成像是反射波成像很好的补充。利用透射PS波成像不需要增加数据采集的成本,所以透射波成像技术将会在石油工业中被广泛采用。
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| 关 键 词： | 垂直地震剖面 透射PS波成像 波场分离 动校正 VSPCDP叠加 |
Imaging of Transmission PS-Wave Based on VSP |
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| FAN Peng-jun,HAN Li-guo,LI Zhi-yuan College of GeoExploration Science and Technology,Jilin University,Changchun ,China.Imaging of Transmission PS-Wave Based on VSP[J].Journal of Jilin Unviersity:Earth Science Edition,2007(Z1). |
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| Authors: | FAN Peng-jun HAN Li-guo LI Zhi-yuan College of GeoExploration Science and Technology Jilin University Changchun China |
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| Institution: | FAN Peng-jun,HAN Li-guo,LI Zhi-yuan College of GeoExploration Science and Technology,Jilin University,Changchun 130026,China |
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| Abstract: | This paper illustrates the numerical modelling of offset VSP by using the elastic wave equation,wave-filed separation by using the polarized projection and median filtering,PS-waves and reflected P-waves' depth-domain imaging techniques-moveout correction and VSPCDP stacking.From the two waves' imaging,we can see that transmitted PS-waves imaging is as well as reflected P-waves imaging,and transmitted PS-waves imaging is the best addition of reflected P-waves imaging.Moreover,using transmitted PS-waves imaging isn't added extra data acquisition cost,so transmission imaging techniques will become widely adopted by the oil industry. |
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| Keywords: | transmitted PS-waves imaging wave-filed separation NMO VSPCDP stacking |
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