针对目标的方位保真局部角度域成像方法
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摘要
本文基于对地震波局部方向特征的分析,讨论了适用于各向同性与各向异性介质的方位保真局部角度域叠前偏移成像原理及其应用方法。理论模型合成数据与实际资料试验展示了该方法的特点与优势,以及在复杂地质体多视角描述、AVA分析/反演、方位各向异性分析等方面的应用潜力。随着多方位或宽方位地震采集技术的广泛应用以及高性能计算技术与平台的飞速发展,方位保真局部角度域成像技术预计将在储层成像与油气预测领域发挥重要作用。
Based on the analysis of the local directional characteristics of seismic waves,we discuss the methodology and applications of azimuth-preserved local angle domain prestack migration for isotropic and anisotropic media.Synthetic and real data examples show the properties and advantages of this seismic imaging approach,and also demonstrate its potential for several applications,such as delineation of the complex geological bodies with multiple angle of view,amplitude variations with incident-angle(AVA) analysis and inversion,azimuthal anisotropy analysis,etc.As multiple azimuth or wide azimuth acquisition are more widely used and the high-performance computer technology is quickly developed,we predict that azimuth-preserved local angle domain imaging approach will play an important role for imaging reservoirs and oil and gas prediction.
Based on the analysis of the local directional characteristics of seismic waves,we discuss the methodology and applications of azimuth-preserved local angle domain prestack migration for isotropic and anisotropic media.Synthetic and real data examples show the properties and advantages of this seismic imaging approach,and also demonstrate its potential for several applications,such as delineation of the complex geological bodies with multiple angle of view,amplitude variations with incident-angle(AVA) analysis and inversion,azimuthal anisotropy analysis,etc.As multiple azimuth or wide azimuth acquisition are more widely used and the high-performance computer technology is quickly developed,we predict that azimuth-preserved local angle domain imaging approach will play an important role for imaging reservoirs and oil and gas prediction.
引文
[1]Lynn H B,Si mon K M,Bates C R and Dok R V.Azi muthal anisotropy in P-wave 3-D(multiazi muth)data.The Leading Edge,1996,15(8):923～928
[2]凌云.地震数据采集处理解释一体化:实践与探索.北京:石油工业出版社,2007
[3]Zheng Y.Seismic azi muthal anisotropy and frac-ture analysis from PP reflection data[D].Cal-gary:University of Calgary,2006
[4]Cheng J B and Ma Z T.3-D Angle-domaini maginginKirchhoff prestack ti me migration.SEG TechnicalProgram Expanded Abstracts,2009,28:2939～2942
[5]Xu S,Chauris H,Lambare G and Noble M.Com-mon-angle migration:Astrategyfor i maging complexmedia.Geophysics,2001,66(6):1877～1894
[6]Rickett J and Sava P.Offset and angle domain com-mon-i mage gathers for shot-profile migration.SEGTechnical Program Expanded Abstracts,2001,20:1115～1118
[7]Xie X B and Wu R S.Extracting angle domain infor-mationfrom migrated wavefield.SEG Technical Pro-gram Expanded Abstracts,2002,21:1360～1363
[8]Sava P Cand Fomel S.Coordinate-independent angle-gathers for wave equation migration.SEG TechnicalProgram Expanded Abstracts,2005,24:2052～2055
[9]Biondi B and Tisserant T.3D angle-domain common-i mage gathers for migration velocity analysis.Geo-physical Prospecting,2004,52(2):575～591
[10]杨淑卿,王华忠,程玖兵,马在田,胡中标,陈建平.共方位角波动方程偏移速度分析方法及其应用.油气地球物理,2003,1(3):22～25Yang Shu-qing,Wang Hua-zhong,Cheng Jiu-bing,Ma Zai-tian,Hu Zhong-biao and Chen Jian-ping.Method and application of migration velocity analysisbased on wave equation common-azi muth migration.PetroleumGeophysics,2003:1(3):22～25
[11]刘守伟,王华忠,程玖兵,马在田.时空移动成像条件及偏移速度分析.地球物理学报,2008,51(6):1883～1891Liu Shou-wei,Wang Hua-zhong,Cheng Jiu-bing,Ma Zai-tian.Space-ti me-shift i maging condition andmigration velocity analysis.Chinese Journal of Geo-physics,2008,51(6):1883～1891
[12]李振春,姚云霞,马在田,王华忠.波动方程法共成像点道集偏移速度建模.地球物理学报,2003,46(1):87～93Li Zhen-chun,Yao Yun-xia,Ma Zai-tian,WangHua-zhong.Common i maging point gather migrationvelocity modeling based on wave equation.Chinese Jof Geophysics,2003,46(1):87～93
[13]Perez Gand Marfurt KJ.I mprovinglateral and verti-cal resolution of seismic i mages by correcting forwavelet stretch in common-angle migration.Geo-physics,2007,72(6):C95～C104
[14]Perez Gand Marfurt KJ.Newazi muthal binning fori mproved delineation of faults and fractures.Geo-physics,2008,73(1):S7～S15
[15]程玖兵,王楠,马在田.表驱三维角度域Kirchhoff叠前时间偏移成像方法.地球物理学报,2009,52(3):792～800Cheng Jiu-bing,Wang Nan and Ma Zai-tian.Table-driven 3-D angle-domaini maging approach for Kirch-hoff prestack ti me migration.Chinese Journal of Ge-ophysics,2009,52(2):792～800
[16]王楠,程玖兵,马在田.表驱Kirchhoff叠前时间偏移角度域成像方法.石油物探,2008,47(4):328～333Wang Nan,Cheng Jiu-bing,Ma Zai-tian.Table-drivenangle-domain Kirchhoff prestack ti me migration.GPP,2008,47(4):328～333
[17]程玖兵,马在田.方位—角度域Kirchhoff叠前时间偏移成像.石油地球物理勘探,2010,45(5):674～682Cheng Jiu-bing and Ma Zai-tian.Azi muth/angle do-main Kirchhoff prestack ti me migration.OGP,2010,45(5):674～682
[18]Cheng J B,Geng J H,Wang H Z and Ma Z T.3DKirchhoff prestackti me migrationin averageillumina-tion-azi muth and incident-angle domain for isotropicand vertical transverselyisotropic media.Geophysics,2011,76(1):S15～S27
[19]Audebert F,Froidevaux P,Racotoarisoa H,Svay-Lucas J.Insights into migrationinthe angle domain.SEG Technical Program Expanded Abstracts,2002,21:1188～1191
[20]Koren Z,Ravve I,Ragoza E,Bartana A,and KosloffD.Full-azi muth angle domaini maging.SEG Techni-cal Program Expanded Abstracts,2008,27:2221～2225
[21]程玖兵.针对储层与油气分布预测的方位保真局部角度域成像方法.中国石油学会物探技术研讨会,2010,737～741
[22]Cheng Jiu-bing,Geng Jian-hua and Ma Zai-tian.Azi-muth-preservedlocal angle domaini maging andits ap-plication to prestack ti me migration.73nd EAGEConference&Exhibition incorporating(Accepted),2011
[23]Wu R S and Chen L.Prestack depth migrationin an-gle-domain using beamlet decomposition:local i magematrix and local AVA.SEG Technical Program Ex-panded Abstracts,2003,22:973～976
[24]Xu S,Zhang Y,Tang B.3D common i mage gathersfrom reverse ti me migration.SEG Technical Pro-gram Expanded Abstracts,2010,29:3257～3260
[25]Audebert F,Nicletis L and Froidevaux P.Regulari-zation of illuminationin angle domains:a key to trueamplitude migration.The Leading Edge,2005,24(6):643～654
[26]Koren Z and Ravve I.Specular/diffractioni maging byfull azi muth subsurface angle domain decomposition.SEG Technical Program Expanded Abstracts,2010,29:3268～3271
[27]Reshef Mand Landa E.Post-stack velocity analysisin the dip-angle domain using diffractions.Geophysi-cal Prospecting,2009,57(5):811～821
[28]Biondi B.Angle-domain common-i mage gathers fromanisotropic migration.Geophysics,2007,72(2):581～591
[2]凌云.地震数据采集处理解释一体化:实践与探索.北京:石油工业出版社,2007
[3]Zheng Y.Seismic azi muthal anisotropy and frac-ture analysis from PP reflection data[D].Cal-gary:University of Calgary,2006
[4]Cheng J B and Ma Z T.3-D Angle-domaini maginginKirchhoff prestack ti me migration.SEG TechnicalProgram Expanded Abstracts,2009,28:2939～2942
[5]Xu S,Chauris H,Lambare G and Noble M.Com-mon-angle migration:Astrategyfor i maging complexmedia.Geophysics,2001,66(6):1877～1894
[6]Rickett J and Sava P.Offset and angle domain com-mon-i mage gathers for shot-profile migration.SEGTechnical Program Expanded Abstracts,2001,20:1115～1118
[7]Xie X B and Wu R S.Extracting angle domain infor-mationfrom migrated wavefield.SEG Technical Pro-gram Expanded Abstracts,2002,21:1360～1363
[8]Sava P Cand Fomel S.Coordinate-independent angle-gathers for wave equation migration.SEG TechnicalProgram Expanded Abstracts,2005,24:2052～2055
[9]Biondi B and Tisserant T.3D angle-domain common-i mage gathers for migration velocity analysis.Geo-physical Prospecting,2004,52(2):575～591
[10]杨淑卿,王华忠,程玖兵,马在田,胡中标,陈建平.共方位角波动方程偏移速度分析方法及其应用.油气地球物理,2003,1(3):22～25Yang Shu-qing,Wang Hua-zhong,Cheng Jiu-bing,Ma Zai-tian,Hu Zhong-biao and Chen Jian-ping.Method and application of migration velocity analysisbased on wave equation common-azi muth migration.PetroleumGeophysics,2003:1(3):22～25
[11]刘守伟,王华忠,程玖兵,马在田.时空移动成像条件及偏移速度分析.地球物理学报,2008,51(6):1883～1891Liu Shou-wei,Wang Hua-zhong,Cheng Jiu-bing,Ma Zai-tian.Space-ti me-shift i maging condition andmigration velocity analysis.Chinese Journal of Geo-physics,2008,51(6):1883～1891
[12]李振春,姚云霞,马在田,王华忠.波动方程法共成像点道集偏移速度建模.地球物理学报,2003,46(1):87～93Li Zhen-chun,Yao Yun-xia,Ma Zai-tian,WangHua-zhong.Common i maging point gather migrationvelocity modeling based on wave equation.Chinese Jof Geophysics,2003,46(1):87～93
[13]Perez Gand Marfurt KJ.I mprovinglateral and verti-cal resolution of seismic i mages by correcting forwavelet stretch in common-angle migration.Geo-physics,2007,72(6):C95～C104
[14]Perez Gand Marfurt KJ.Newazi muthal binning fori mproved delineation of faults and fractures.Geo-physics,2008,73(1):S7～S15
[15]程玖兵,王楠,马在田.表驱三维角度域Kirchhoff叠前时间偏移成像方法.地球物理学报,2009,52(3):792～800Cheng Jiu-bing,Wang Nan and Ma Zai-tian.Table-driven 3-D angle-domaini maging approach for Kirch-hoff prestack ti me migration.Chinese Journal of Ge-ophysics,2009,52(2):792～800
[16]王楠,程玖兵,马在田.表驱Kirchhoff叠前时间偏移角度域成像方法.石油物探,2008,47(4):328～333Wang Nan,Cheng Jiu-bing,Ma Zai-tian.Table-drivenangle-domain Kirchhoff prestack ti me migration.GPP,2008,47(4):328～333
[17]程玖兵,马在田.方位—角度域Kirchhoff叠前时间偏移成像.石油地球物理勘探,2010,45(5):674～682Cheng Jiu-bing and Ma Zai-tian.Azi muth/angle do-main Kirchhoff prestack ti me migration.OGP,2010,45(5):674～682
[18]Cheng J B,Geng J H,Wang H Z and Ma Z T.3DKirchhoff prestackti me migrationin averageillumina-tion-azi muth and incident-angle domain for isotropicand vertical transverselyisotropic media.Geophysics,2011,76(1):S15～S27
[19]Audebert F,Froidevaux P,Racotoarisoa H,Svay-Lucas J.Insights into migrationinthe angle domain.SEG Technical Program Expanded Abstracts,2002,21:1188～1191
[20]Koren Z,Ravve I,Ragoza E,Bartana A,and KosloffD.Full-azi muth angle domaini maging.SEG Techni-cal Program Expanded Abstracts,2008,27:2221～2225
[21]程玖兵.针对储层与油气分布预测的方位保真局部角度域成像方法.中国石油学会物探技术研讨会,2010,737～741
[22]Cheng Jiu-bing,Geng Jian-hua and Ma Zai-tian.Azi-muth-preservedlocal angle domaini maging andits ap-plication to prestack ti me migration.73nd EAGEConference&Exhibition incorporating(Accepted),2011
[23]Wu R S and Chen L.Prestack depth migrationin an-gle-domain using beamlet decomposition:local i magematrix and local AVA.SEG Technical Program Ex-panded Abstracts,2003,22:973～976
[24]Xu S,Zhang Y,Tang B.3D common i mage gathersfrom reverse ti me migration.SEG Technical Pro-gram Expanded Abstracts,2010,29:3257～3260
[25]Audebert F,Nicletis L and Froidevaux P.Regulari-zation of illuminationin angle domains:a key to trueamplitude migration.The Leading Edge,2005,24(6):643～654
[26]Koren Z and Ravve I.Specular/diffractioni maging byfull azi muth subsurface angle domain decomposition.SEG Technical Program Expanded Abstracts,2010,29:3268～3271
[27]Reshef Mand Landa E.Post-stack velocity analysisin the dip-angle domain using diffractions.Geophysi-cal Prospecting,2009,57(5):811～821
[28]Biondi B.Angle-domain common-i mage gathers fromanisotropic migration.Geophysics,2007,72(2):581～591
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