基于同相轴追踪的三维地震资料多次波压制方法

doi:10.13810/j.cnki.issn.1000-7210.2017.05.002

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摘要提出了一种基于同相轴追踪的三维多次波压制方法，在引入三维高分辨率叠加速度谱的基础上，进行多次波同相轴的高精度追踪，并将追踪到的多次波同相轴组成准多次波记录，然后利用f-k滤波方法实现在多次波同相轴所属短时窗内的多次波压制。模型实验和实际数据测试均表明，该方法的多次波剔除效果明显优于高精度抛物线Radon变换法，并且其计算效率也明显高于高精度抛物线Radon变换法，因此基于同相轴追踪的三维多次波压制方法更适合于针对"海量"数据的三维多次波压制处理。

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	谭军
	宋鹏
	李金山
	王磊

关键词 ：多次波, 同相轴追踪, 叠加速度谱, f-k滤波

Abstract：This paper introduces a method for 3D multiple suppression based on event tracing.First we use 3D high resolution stack velocity spectrum to improve the tracing accuracy.Quasi multiple records are built with traced multiple events.Then we achieve the multiple suppression in short windows by f-k filtering on these quasi multiple records.Synthetic and field data tests show that the proposed method achieves better multiple suppression than high-resolution parabolic Radon transform.Moreover,the proposed method has the computational efficiency significantly higher than the high-precision parabolic Radon transform.So this method is more suitable for 3D multiple suppression of massive seismic data.

Key words： multiple event tracing stack velocity spectrum f-k filtering

收稿日期: 2016-11-28

P631

基金资助:国家自然科学基金（41574105、41674118）、国家重大科技专项（2016ZX05027-002）和青岛海洋科学与技术国家实验室鳌山科技创新计划项目（2016ASKJ13）联合资助。

通讯作者: 宋鹏,山东省青岛市崂山区松岭路238号中国海洋大学海洋地球科学学院,266100。Email:pengs@ouc.edu.cn E-mail: pengs@ouc.edu.cn

作者简介: 谭军,讲师,1982年生;2005年毕业于中国海洋大学勘查技术与工程专业,获工学学士学位;2008年毕业于中国海洋大学地球探测与信息技术专业,获硕士学位;2011年获中国海洋大学海洋地球物理学博士学位,研究方向是海上地震勘探多次波预测与衰减;随后就职于中国海洋大学海洋地球科学学院,主要从事多次波预测压制研究、地震成像研究以及基于GPU集群平台的三维地震数据处理系统研发。

引用本文:

谭军, 宋鹏, 李金山, 王磊. 基于同相轴追踪的三维地震资料多次波压制方法[J]. 石油地球物理勘探, 2017, 52(5): 894-905. Tan Jun, Song Peng, Li Jinshan, Wang Lei. 3D multiple suppression based on event tracing. OGP, 2017, 52(5): 894-905.

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http://www.ogp-cn.com/CN/10.13810/j.cnki.issn.1000-7210.2017.05.002 或 http://www.ogp-cn.com/CN/Y2017/V52/I5/894

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