Abstract:The high-productivity blending acquisition (HPBA) technology can greatly improve seismic acquisition,it is currently widely used in high-precision and high-density seismic survey. However,serious cross-talk noises exist in HPBA seismic data which should be removed in subsequent seismic processing. Parameters used in field blending acquisition directly affect the distribution of cross-talk noises and effectiveness noises removal. Unfortunately,there hasn't been an effective method for optimizing such parameters that can ensure adequate noise removal. We propose a method based on raw and simulated data to design and optimize parameters such as simultaneous source spacing and vibrating time. The main steps are as follows:divide shooting zones and plan the navigating route according to available shooting and receiving equipment;simulate shooting time;simulate de-blended data to blended data;optimize acquisition parameters according to the difference between simulated blended data and real data. Tests using modeling and application to marine raw data have proved the method effective and practicable. Hence,it is a feasible method for optimizing field HPBA parameters.
李培明, 宋家文, 柳兴刚, 马竹, 马渊明, 王文闯. 海上高效混叠采集参数优化设计[J]. 石油地球物理勘探, 2020, 55(4): 707-715.
LI Peiming, SONG Jiawen, LIU Xinggang, MA Zhu, MA Yuanming, WANG Wenchuang. Optimization of parameter design for high-productivity marine blending acquisition. Oil Geophysical Prospecting, 2020, 55(4): 707-715.
Howe D,Foster M,Allen T,et al.Independent simultaneous sweeping-a method to increase the productivity of land seismic crews[C].SEG Technical Program Expanded Abstracts,2008,27:2826-2830.
[5]
Howe D,Foster M,Allen T,et al.Independent simultaneous sweeping in Libya:full scale implementation and new developments[C].SEG Technical Program Expanded Abstracts,2009,28:109-111.
[6]
倪宇东,王井富,马涛,等.可控震源地震采集技术的进展[J].石油地球物理勘探,2011,46(3):349-356.NI Yudong,WANG Jingfu,MA Tao,et al.Advances in vibroseis acquisition[J].Oil Geophysical Prospecting,2011,46(3):349-356.
[7]
Zhao J,Jin H,Zhu Y,et al.Vibroseisultra high productivity blended acquisiton:field trial and full scale implementation in Oman[C].CPS/SEG Beijing International Geophysical Conference & Exposition,2018,150-153.
Hoover G,Sublett V,Carter C,et al.Infield proce-ssing of an ISS dataset south-east Algeria[C].SEG Technical Program Expanded Abstracts,2010,29:468-472.
[10]
Zhang C,Olofsson B.Separating simultaneous source data using weighted tau-p transform[C].Extended Abstracts of 74th EAGE Conference & Exhibition,2012,A046.
[11]
Huo S,Luo Y,Kelamis P.Simultaneous sources separation via multi-directional vector-median filter[C].SEG Technical Program Expanded Abstracts,2009,28:31-35.
[12]
黄明忠,李培明,王彦娟.独立同步激发数据两步法邻炮干扰压制技术研究[J].石油物探,2012,51(5):464-469.HUANG Mingzhong,LI Peiming,WANG Yanjuan.Two-step suppressing method for neighboring-shot interference by using vibroseis independent simulta-neous shooting data[J].Geophysical Prospecting for Petroleum,2012,51(5):464-469.
[13]
王文闯,李合群,赵波,等.基于α-trimmed矢量中值滤波压制同步激发邻炮干扰[J].石油地球物理勘探,2014,49(6):1061-1067.WANG Wenhuang,LI Hequn,ZHAO Bo,et al.Cross interference noise attenuation using alpha-trimmed vector median filtering[J].Oil Geophysical Prospecting,2014,49(6):1061-1067.
[14]
Doulgeris P,Mahdad A,Blacquiere G.Iterative separation of blended marine data:discussion on the coherency-pass filter[C].SEG Technical Program Expanded Abstracts,2011,30:26-31.
[15]
Mahdad A,Doulgeris P,Blacquiere G.Separation of blended data by iterative estimation and subtraction of blending interference noise[J].Geophysics,2011,76(3):Q9-Q17.
[16]
周丽,庄众,成景旺,等.利用自适应迭代多级中值滤波法分离海上多震源混合波场[J].石油地球物理勘探,2016,51(3):434-443.ZHOU Li,ZHUANG Zhong,CHENG Jingwang,et al.Multi-source blended wavefield separation for marine seismic based on an adaptive iterative multi-level median filtering[J].Oil Geophysical Prospecting,2016,51(3):434-443.
[17]
祝树云,李合群,钱忠平,等.OBC双源数据分离压制干扰[J].石油地球物理勘探,2016,51(增刊):27-31.ZHU Shuyun,LI Hequn,QIAN Zhongping,et al.A de-blending procedure with noise attenuation algrithms for dual-source OBC data[J].Oil Geophysical Prospecting,2016,51(S):27-31.
[18]
宋家文,李培明,王文闯,等.基于稀疏反演的高效混采数据分离方法[J].石油地球物理勘探,2019,54(2):268-273.SONG Jiawen,LI Peiming,WANG Wenchuang,et al.High productivity blended acquired data separation by sparse inversion[J].Oil Geophysical Prospecting,2019,54(2):268-273.
[19]
Akerberg P,Hampson G,Martin H,et al.Simulta-neous sources separation by sparse radon transform[C].SEG Technical Program Expanded Abstracts,2008,27:2801-2805.
[20]
Abma R,Manning T,Tanis M,et al.High quality separation of simultaneous sources by sparse inversion[C].Extended Abstracts of 74th EAGE Conference & Exhibition,2008,B003.
[21]
Lin T,Herrmann F.Designing simultaneous acquisi-tion with compressive sensing[C].Extended Abstracts of 71st EAGE Conference & Exhibition,2009,S006.
[22]
Qu S,Zhou H,Liu R,et al.Deblending of simulta-neous source seismic data using fast iterative shrinkage thresholding algorithm with firm thresholding[J].Acta Geophysica,2016,64(4):1064-1092.
[23]
Zu S,Zhou H,Chen Y,et al.A periodically varying code for improving deblending of simultaneous sources in marine acquisition[J].Geophysics,2016,81(3):V213-V225.
[24]
Chen Y,Fomel S,Hu J.Iterative deblending of simultaneous source seismic data using seislet-domain shaping regularization[J].Geophysics,2014,79(5):V179-V189.
[25]
Berkhout A J.Changing the mindset in seismic data acquisition[J].The Leading Edge,2008,27(7):924-938.
[26]
Daubechies I,Defrise M,Mol C D.An iterative thre-sholding algorithm for linear inverse problems with a sparsity constraint[J].Communications on Pure and Applied Mathematics,2004,57(11):1413-1457.
[27]
Beasley C J.A new look at simultaneous sources[J].The Leading Edge,2008,27(7):914-917.
[28]
Hampson G,Stefani J,Herkenhoff F.Acquisition using simultaneous sources[J].The Leading Edge,2008,27(7):918-923.
[29]
王汉闯,陶春辉,陈生昌,等.基于稀疏约束和多源激发的地震数据高效采集方法[J].地球物理学报,2017, 60(9):3518-3538.WANG Hanchuang,TAO Chunhui,CHEN Shengchang,et al.Highly efficient methods of seismic data acquisition based on sparse constraints and blended source excitation[J].Chinese Journal of Geophysics,60(9):3518-3538.