基于反距离加权法的混采地震数据分离方法
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摘要
为将混合地震记录分离为单炮地震记录,笔者采用基于反距离加权的迭代分离方法,在非共炮点域对伪分离数据进行混叠噪声的压制,将其变换回共炮点域,得到分离后的单炮地震记录。模拟数据和实际数据的处理结果证明,本方法能够有效地实现混合数据分离。相较于单独使用多级中值滤波方法,本分离方法能更好的保留有效信息。
To separate the blended seismic data into single shot seismic data,a method using iterative separation based on IDW( Inverse Distance Weight) is proposed,which suppresses the noise of pseudo-separated data in non-common-shot domain. The data is then transformed into the common shot domain to get the separated single shot seismic data. The method is proven to be able to separate the blended data more effectively by the processing results of simulated data and actual data. Compared with using multi-level median filtering method alone,more effective information can be preserved by this method.
To separate the blended seismic data into single shot seismic data,a method using iterative separation based on IDW( Inverse Distance Weight) is proposed,which suppresses the noise of pseudo-separated data in non-common-shot domain. The data is then transformed into the common shot domain to get the separated single shot seismic data. The method is proven to be able to separate the blended data more effectively by the processing results of simulated data and actual data. Compared with using multi-level median filtering method alone,more effective information can be preserved by this method.
引文
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[18]李宇,韩立国,叶林,等.基于F-K域和Curvelet-中值滤波联合去噪的混采数据分离方法[J].世界地质,2017,36(2):609-615.LI Yu,HAN Li-guo,YE Lin,et al.Blended acquisition data separation method based on F-K domain and Curvelet-median filter joint denoising[J].Global Geology,2017,36(2):609-615.
[19]龙敬文,蒲亦非,周激流.基于BPANN噪声检测的反距离加权法滤除椒盐噪声[J].计算机应用研究,2018,35(4):1266-1269,1273.LONG Jing-wen,PU Yi-fei,ZHOU Ji-liu.Removal of salt and pepper noise by inverse distance weighted based on BPANN noise detection[J].Application Research of Computers,2018,35(4):1266-1269,1273.
[20]Araz M,Panagiotis D,Gerrit B.Iterative method for the separation of blended seismic data:discussion on the algorithmic aspects[J].Geophysical Prospecting,2012,60(4):782-801.
[21]Garnett R,Huegerich T,Chui C,et al.A universal noise removal algorithm with an impulse detector[J].Transactions on Image Processing,2005,14(11):1747-1754.
[2]Beasley C J,Chambers R E,Jiang Z.A new look at simultaneous sources[C]//SEG Technical Program Expanded Abstracts.(1998 SEG Annual Meeting.New Orleans,Louisiana).Tulsa:Society of Exploration Geophysicists,1998:133-135.
[3]Beasley C J.A new look at marine simultaneous sources[J].The Leading Edge,2008,27(7):914-917.
[4]Beasley C J.Simultaneous sources:a technology whose time has come[C]//SEG Technical Program Expanded Abstracts.(2008 SEG Annual Meeting.Las Vegas,Nevada).Tulsa:Society of Exploration Geophysicists,2008:2796-2800.
[5]Bagaini C.Overview of simultaneous vibroseis acquisition methods[C]//SEG Technical Program Expanded Abstracts 2006.(2006 SEG Annual Meeting.New Orleans,Louisiana.2006).Tulsa:Society of Exploration Geophysicists,2006:70-74.
[6]Vaage S T.Method and system for acquiring marine seismic data using multiple seismic sources[P].US,B2,6906981.2005.
[7]Berkhout A J.Changing the mindset in seismic data acquisition[J].The Leading Edge,2008,27(7):924-938.
[8]Berkhout A J,Blacquière G,Verschuur D J.The concept of double blending:combining incoherent shooting with incoherent sensing[J].Geophysics,2009,74(4):59-62.
[9]Blacquière G,Berkhout G,Verschuur E.Double illumination in blended acquisition[C]//SEG Technical Program Expanded Abstracts 2011.(2011 SEG Annual Meeting.San Antonio,Texas,2011).Tulsa:Society of Exploration Geophysicists,2011:11-15.
[10]Tang Y,Biondo B.Least-squares migration/inversion of blended data.[C]//SEG Technical Program Expanded Abstracts 2009.(2009 SEG Annual Meeting.Houston,Texas.2009).Tulsa:Society of Exploration Geophysicists,2009.2859-2863.
[11]卢昕婷,韩立国,张盼,等.基于全变分原理的多震源混合数据直接偏移方法[J].地球物理学报,2015,58(9):3335-3345.LU Xin-ting,HAN Li-guo,ZHANG Pan,et al.Direct migration method of multi-source blended data based on total variation[J].Chinese Journal of Geophysics,2015,58(9):3335-3345.
[12]Huo S,Luo Y,Kelamis P G.Simultaneous sources separation via multidirectional vector-median filtering[J].Geophysics,2012,77(4):123-131.
[13]韩立国,谭尘青,吕庆田,等.基于迭代去噪的多源地震混合采集数据分离[J].地球物理学报,2013,56(7):2402-2412.HAN Li-guo,TAN Chen-qing,LYU Qing-tian,et al.Separation of multi-source blended seismic acquisition data by iterative denoising[J].Chinese Journal of Geophysics,2013,56(7):2402-2412.
[14]刘强,韩立国,李洪建.混采数据分离中插值与去噪的同步处理[J].地球物理学报报,2014,57(5):1647-1654.LIU Qiang,HAN Li-guo,LI Hong-jian.Synchronous interpolation and denoising in simultaneous-source data separation[J].Chinese Journal of Geophysics,2014,57(5):1647-1654.
[15]Cheng J,Sacchi M D.Separation and reconstruction of simultaneous source data via iterative rank reduction[J].Geophysics,2015,80(4):57-66.
[16]Zu S,Zhou H,Mao W,et al.Iterative deblending of simultaneous source data using a coherency pass shaping operator[J].Geophysical Journal International,2017,211(1):541-557.
[17]张显娜,韩立国,刘强,等.三维多震源混合采集数据波场分离方法研究[J].科学技术与工程,2017,17(5):147-151.ZHANG Xian-na,HAN Li-guo,LIU Qiang,et al.Research on method of wave-fields separation for 3D multisource blended acquisition data[J].Science Technology and Engineering,2017,17(5):147-151.
[18]李宇,韩立国,叶林,等.基于F-K域和Curvelet-中值滤波联合去噪的混采数据分离方法[J].世界地质,2017,36(2):609-615.LI Yu,HAN Li-guo,YE Lin,et al.Blended acquisition data separation method based on F-K domain and Curvelet-median filter joint denoising[J].Global Geology,2017,36(2):609-615.
[19]龙敬文,蒲亦非,周激流.基于BPANN噪声检测的反距离加权法滤除椒盐噪声[J].计算机应用研究,2018,35(4):1266-1269,1273.LONG Jing-wen,PU Yi-fei,ZHOU Ji-liu.Removal of salt and pepper noise by inverse distance weighted based on BPANN noise detection[J].Application Research of Computers,2018,35(4):1266-1269,1273.
[20]Araz M,Panagiotis D,Gerrit B.Iterative method for the separation of blended seismic data:discussion on the algorithmic aspects[J].Geophysical Prospecting,2012,60(4):782-801.
[21]Garnett R,Huegerich T,Chui C,et al.A universal noise removal algorithm with an impulse detector[J].Transactions on Image Processing,2005,14(11):1747-1754.