A multi-iterative method fordeghosting based on Green's theorem
SONG Jianguo1,2, MA An1,2, HUANG Sheng3, LIU Jiong4, CHEN Feixu5
1. Shangdong Provincial Key Laboratory of Deep Oil&gas, Qingdao, Shangdong 266580, China; 2. School of Geosciences, China University of Petroleum(East China), Qingdao, Shandong 266580, China; 3. Hainan Company, China National Offshore Oil Corporation, Haikou, Hainan 570311, China; 4. Petroleum Exploration and Production Research Institute, SINOPEC, Beijing 100083, China; 5. Exploration and Production Research Institute, Tarim Oilfield Company, PetroChina, Korla, Xinjiang 841000, China
Abstract：As one of the marine broadband seismic data processing techniques,deghosting is the key to broadening the frequency band and improving the resolution of seismic data. The commonly used deghosting method is removing the predicted ghost from the whole wave field. Evidently,the ghost is hard to predict accurately. According to Green's theorem,we proposed the iterative techniques and flow to predict the ghost based on its ray path. The technology is then combined with the deve-loped matching subtraction techniques in the curve-let domain,effectively suppressing ghost. The complexity of predicted ghost tended to cause da-mage to primary waves or incomplete deghosting during matching subtraction. Therefore,multiple iterations are introduced. The primary wave field after matching subtraction is taken as input to predict the ghost again by Green's theorem followed by subtraction. After several iterations,we can improve the accuracy of ghost prediction and get a better primary wave. The test of model data and real seismic data manifests that the proposed method can preserve more primary waves during the deghosting.
宋建国, 马安, 黄晟, 刘炯, 陈飞旭. 利用格林函数的多次迭代鬼波压制方法[J]. 石油地球物理勘探, 2022, 57(1): 91-100.
SONG Jianguo, MA An, HUANG Sheng, LIU Jiong, CHEN Feixu. A multi-iterative method fordeghosting based on Green's theorem. Oil Geophysical Prospecting, 2022, 57(1): 91-100.
吴志强. 海洋宽频带地震勘探技术新进展[J]. 石油地球物理勘探,2014,49(3):421-430.WU Zhiqiang. New advances in marine broadband seismic exploration[J]. Oil Geophysical Prospecting, 2014,49(3):421-430.
[2]
余本善,孙乃达. 海上宽频地震采集技术新进展[J]. 石油科技论坛,2015,34(1):41-45.YU Benshan,SUN Naida. Latest development of marine broadband seismic acquisition technology[J]. Oil Forum,2015, 34(1):41-45.
[3]
PARRACK A L. Method of marine reflection-type seismic exploration[P]. U S Patent,3952281,1976-4-20.
[4]
SØNNELAND L,BERG L E,EIDSVIG P,et al. 2-D deghosting using vertical receiver arrays[C]. SEG Technical Program Expanded Abstracts,1986,5:516-519.
[5]
BARR F J,SANDERS J. Attenuation of water-column reverberations using pressure and velocity detectors in a water-bottom cable[C]. SEG Technical Program Expanded Abstracts,1989,8:653-656.
[6]
CARLSON D,LONG A,SOLLNER W,et al. Increased resolution and penetration from a towed dual-sensor streamer[J]. First Break,2007,25(12):71-77.
[7]
RAY C H,MOORE N A. High resolution,marine seismic stratigraphic system[P]. U S Patent,4353121, 1982-10-5.
[8]
BEARNTH R E,MOORE N A. Air gun-slant cable seismic results in the Gulf of Mexico[C]. SEG Technical Program Expanded Abstracts,1989,8:649-652.
[9]
余本善,孙乃达. 海底地震采集技术发展现状及建议[J]. 海洋石油,2015,35(2):1-5.YU Benshan,SUN Naida. Current development si-tuations and suggestion on the techniques of ocean bottom seismic acquisition[J]. Offshore Oil,2015,35(2):1-5.
[10]
FOKKEMA J T,VAN DEN BERG P M. Seismic Applications of Acoustic Reciprocity[M]. Elsevier,1993.
[11]
ZHANG J. Wave Theory Based Data Preparation for Inverse Scattering Multiple Removal,Depth Imaging and Parameter Estimation:Analysis and Numerical Tests of Green's Theorem Deghosting Theory[D]. University of Houston,Houston,Texas,2007.
[12]
贺兆全,张保庆,刘原英,等. 双检理论研究及合成处理[J]. 石油地球物理勘探,2011,46(4):522-528.HE Zhaoquan,ZHANG Baoqing,LIN Yuanying,et al. Response characteristics of dual-sensor and their application in OBC data Processing[J]. Oil Geophysical Prospecting,2011,46(4):522-528.
[13]
SOUBARAS R. Deghosting by joint deconvolution of a migration and a mirror migration[C]. SEG Technical Program Expanded Abstracts,2010,29:3406-3410.
[14]
WANG P,PENG C. Premigration deghosting for marine towed streamer data using a bootstrap approach[C]. SEG Technical Program Expanded Abstracts,2012,31:1-5.
[15]
王芳芳,李景叶,陈小宏. 基于逆散射级数法的鬼波压制方法[J]. 地球物理学报,2013,56(5):1628-1636.WANG Fangfang,LI Jingye,CHEN Xiaohong. Deghosting method based on inversion scattering series[J]. Chinese Journal of Geophysics,2013, 56(5):1628-1636.
[16]
SUN W Q,HU J T,WANG H Z,et al. Enhanced model-based water-layer related demultiple[C]. SEG Global Meeting Abstracts, 2014, 349-351.
[17]
SONG J G,GONG Y L,LI S. High resolution frequency domain Radon transform and variable-depth streamer data deghosting[J].Applied Geophysics, 2015,12(4):564-572.
[18]
王冲,顾汉明,许自强,等. 最小二乘反演迭代算法在压制海上变深度缆采集数据虚反射中的应用[J]. 地球物理学报,2016,59(5):1790-1803.WANG Chong,GU Hanming,XU Ziqiang,et al. The application of least-squares inversion iteration algorithm to deghost for marine variable-depth streamer data[J]. Chinese Journal of Geophysics,2016,59(5):1790-1803.
[19]
张威,韩立国,李洪建,等. 基于LSMR算法的斜缆数据鬼波压制方法[J]. 石油地球物理勘探,2017, 52(3):434-441.ZHANG Wei,HAN Liguo,LI Hongjian,et al. Deghosting of variable depth streamer data based on LSMR[J]. Oil Geophysical Prospecting,2017,52(3):434-441.
[20]
马继涛,王艳冬,陈小宏,等. 基于波场外推和阈值截断的鬼波压制方法[J]. 石油地球物理勘探,2018, 53(2):227-235.MA Jitao,WANG Yandong,CHEN Xiaohong,et al. A ghost suppression method based on wavefield extrapolation and threshold truncation[J]. Oil Geophysical Prospecting,2018,53(2):227-235.
[21]
封强,韩立国,杨帆. 非高斯性最大化变深度缆鬼波压制方法[J]. 石油地球物理勘探,2020,55(1):57-63.FENG Qiang,HAN Liguo,YANG Fan. A deghosting method for variable-depth streamer data based on non-Gaussian maximization[J]. Oil Geophysical Prospecting,2020,55(1):57-63.
[22]
毕丽飞,秦宁,李钟晓,等. 应用逆散射级数波场预测和2D卷积盲分离压制层间多次波[J]. 石油地球物理勘探,2020,55(3):521-529.BI Lifei,QIN Ning,LI Zhongxiao,et al. Wavefield prediction with inverse scattering series and 2D blind separation of convolved mixtures for suppressing internal multiples[J]. Oil Geophysical Prospecting,2020,55(3):521-529.
[23]
李钟晓,高好天,陈鑫泽,等. 基于3D匹配滤波器和伪地震数据算法的多次波自适应相减方法[J]. 石油地球物理勘探,2020,55(3):530-540.LI Zhongxiao,GAO Haotian,CHEN Xinze,et al. Adaptive multiple subtraction based on a 3D matching filter and pseudo seismic data algorithm[J]. Oil Geophysical Prospecting,2020,55(3):530-540.
[24]
李继伟,臧殿光,刁永波,等. 自适应相减和Curvelet变换组合压制面波[J]. 石油地球物理勘探,2020,55(5):1005-1015.LI Jiwei,ZANG Dianguang,DIAO Yongbo,et al. Combination of adaptive subtraction and Curvelet transform to suppress surface waves[J]. Oil Geophysical Prospecting,2020,55(5):1005-1015.
[25]
杨金龙,WEGLEIN A B. 基于格林理论的鬼波压制方法及其应用[J]. 石油物探,2017,56(4):507-515.YANG Jinlong,WEGLEIN A B. A deghosting method based on Green's theorem and its application[J]. Geophysical Prospecting for Petroleum,2017,56(4):507-515.
[26]
李洪建,韩立国,巩向博,等. 基于格林函数理论的波场预测和鬼波压制方法[J]. 地球物理学报,2016,59(3):1113-1124.LI Hongjian,HAN Liguo,GONG Xiangbo,et al. A wavefield prediction and ghost suppression method based on Green function theory[J]. Chinese Journal of Geophysics,2016,59(3):1113-1124.
[27]
宋建国,姜梦奇,杨宇. 基于克希霍夫衍射理论的水层多次波预测方法[J]. 地球物理学进展,2016,31(5):2133-2138.SONG Jianguo,JIANG Mengqi,YANG Yu. Water-layer multiple prediction method based on Kirchhoff diffraction theory[J]. Progress in Geophysics,2016,31(5):2133-2138.
[28]
周含蕊. 基于逆散射级数的虚反射消除方法研究与应用[D]. 山东青岛:中国石油大学(华东),2016.ZHOU Hanrui. Research and Application of Deghosting Based on Inverse-scattering Series Theory[D]. China University of Petroleum(East China),Qingdao,Shandong,2016.
[29]
王通,王德利,冯飞,等. 三维稀疏反演多次波预测及曲波域匹配相减技术[J]. 吉林大学学报(地球科学版),2017,47(6):1865-1874.WANG Tong,WANG Deli,FENG Fei,et al. Multiple prediction with 3D sparse inversion and curvelet match[J]. Journal of Jilin University(Earth Science Edition), 2017,47(6):1865-1874.
[30]
郝振江,冯飞,王德利,等. Curvelet域海底电缆多次波压制方法研究[J]. 世界地质,2013,32(1):130-136.HAO Zhenjiang,FENG Fei,WANG Deli,et al. Research on OBC multiple wave attenuation method in Curvelet domain[J]. Global Geology,2013,32(1):130-136.
