岩性油气藏 ›› 2015, Vol. 27 ›› Issue (6): 104110.doi: 10.3969/j.issn.1673-8926.2015.06.014
张宇飞 1,苑 昊2
Zhang Yufei 1,Yuan Hao 2
摘要:
陆上多次波与海上多次波均会干扰有效波信号,使地震资料信噪比降低,不同的是海上多次波覆盖了整条地震测线,而陆上地震数据中仅有部分共中心点道集(CMP)受到多次波干扰。 根据陆上多次波的特点,分析多次波在速度谱、常速扫描叠加剖面和动校正道集上所表现的地震特征,利用多次波识别方法,确定地震数据中多次波的分布范围,并在含有多次波的 CMP 动校正道集上,采用抛物线拉东变换方法压制多次波。 模型算例和实际地震数据应用结果表明,抛物线拉东变换方法不仅能压制陆上多次波,而且不伤害一次波反射信号,达到了保真去噪的目的。
[1]Weglein A B. Multiple attenuation:An overview of recent advances and the road ahead[J]. The Leading Edge,1999,18(1):40-44.[2]Peacock K L,Treital S. Predictive deconvolution:Theoy and practice[J]. Geophysics,1969,34(2):155-169.[3]Sinton J B,Ward R W,Watkins J S. Suppression of long-delay multiple reflections by predictive deconvolution[J]. Geophysics,1978, 43(7):1352-1367.[4]Wiggins R A. Omega-k filter design[J]. Geophysics Prospecting, 1966,14(3):427-440.[5]Zhou B,Greenhalgh S A. Wave-equation extrapolation-based multiple attenuation:2-D filtering in the f-k domain[J]. Geophysics, 1994,59(9):1377-1391.[6]Schoenberger M. Optimum weighted stack for multiple suppression [J]. Geophysics,1996,61(3):891-901.[7]Hampson D. Inverse velocity stacking for multiple elimination[G]. Expanded Abstracts of 56th SEG Annual International Meeting, 1986:422-424.[8]Foster D J,Mosher C C. Suppression of multiple reflections using the Radon transform[J]. Geophysics,1992,57(3):386-395.[9]张军华,吕宁,雷凌,等.抛物线拉冬变换消除多次波的应用要素分析[J].石油地球物理勘探,2004,39(4):398-405.Zhang Junhua,Lü Ning,Lei Ling,et al. Analysis of applied factors for using parabolic Radon transform to remove multiple[J]. Oil Geophysical Prospecting,2004,39(4):398-405.[10]王维红,刘洪.抛物 Radon 变换法近偏移距波场外推[J].地球物理学进展,2005,20(2):289-293.Wang Weihong,Liu Hong. Near offset wavefield extrapolation based on parabolic Radon transform[J]. Progress in Geophysics,2005, 20(2):289-293.[11]Wiggins J W. Attenuation of complex water-bottom multiples by wave-equation-based prediction and subtraction[J]. Geophysics, 1988,53(12):1527-1539.[12]Huang X,Zhao B,Li T. Surface-related multiple elimination based on data-consistence—A case history[G]. Expanded Abstracts of 78th SEG Annual International Meeting,2008:2536-2540.[13]王彦江.多次波压制方法及应用研究[D].北京:中国地质科学院,2009.Wang Yanjiang. The method and application of multiple attenuation[D]. Beijing:Chinese Academy of Geological Sciences,2009.[14]苑益军,张锐锋.陆上地震数据多次波压制策略[J].现代地质,2012,26(6):1237-1243.Yuan Yijun,Zhang Ruifeng. Multiple suppression on land seismic data[J]. Geoscience,2012,26(6):1237-1243.[15]Kelamis P G,Verschuur D J. Multiple elimination strategies for land data[G]. Expanded Abstracts of 58th EAEG Annual International Meeting,1996:B001.[16]Kelamis P G,Verschuur D J. Surface-related multiple elimination on land seismic data-Strategies via case studies[J]. Geophysics, 2000,65(3):719-734.[17]李凌云.应用 Radon 变换消除多次波[J].石油天然气学报(江汉石油学院学报),2006,28(4):264-266.Li Lingyun. Multiple suppression using Radon transform[J]. Journal of Oil and Gas Technology(Journal of Jianghan Petroleum Institute),2006,28(4):264-266.[18]王汝珍.多次波识别与衰减[J].勘探地球物理进展,2003,26(5/6):423-432.Wang Ruzhen. Recognition and suppression of multiple waves[J].Progress in Exploration Geophysics,2003,26(5/6):423-432.[19]李敏杰,林玉英,孟凡冰,等.多种多次波压制技术提高可燃冰地震识别[J].岩性油气藏,2012,24(3):83-87.Li Minjie, Lin Yuying,Meng Fanbing,et al. Using multiple attenuation techniques to improve seismic identification of combustible ice [J]. Lithologic Reservoirs, 2012,24(3):83-87.[20]李键. 炮集域多次波压制的 Radon 变换法[D].青岛:中国海洋大学, 2005.Li Jian. Multiple attenuation on shot gathers using Radon transform[D]. Qingdao:Ocean University of China,2005.[21]鲁娥,李振春.混合 Radon 变换地震噪声压制的应用[J].物探与化探,2013,37(4):706-710.Lu E,Li Qingchun. The application of seismic noise attenuation based on hybrid Radon transform[J]. Geophysical & Geochemical Exploration,2013,37(4):706-710.[22]Wang Yanghua. Multiple attenuation:coping with the spatial truncation effect in the Radon transform domain[J]. Geophysical Prospecting,2003,51(1):75-87.[23]吕进英,郭磊.地震勘探中多次波的识别和压制[J].中州煤炭,2011(4):29-31.Lü Jinying,Guo Lei. Identification and suppression of multiple waves in seismic exploration[J]. Zhongzhou Coal,2011(4):29-31.[24]肖盈,贺振华,黄德济.碳酸盐岩礁滩相储层地震波场数值模拟[J].岩性油气藏,2009,21(1):99-101.Xiao Ying,He Zhenhua,Huang Deji. Numerical simulation of seismic wave field of carbonate[J]. Lithologic Reservoirs,2009,21(1): 99-101.[25]曾令帮,段玉顺,毕明波,等.鄂尔多斯盆地西北部礁滩相储层地震识别与勘探效果[J].岩性油气藏,2011,23(2):75-79.Zeng Lingbang,Duan Yushun,Bi Mingbo,et al. Seismic identification and exploration effect of reef-bank facies reservoir in northwestern Ordos Basin[J]. Lithologic Reservoirs,2011,23(2):75-79. |
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