基于单程波正演模拟的多尺度地震资料特征分析
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摘要
多尺度地震资料在油藏地球物理中发挥着重要的作用,通过开展单程波正演模拟并对模拟结果进行偏移,有利于深入剖析多尺度地震资料之间的联系与差异.正演模拟表明,地面地震资料、VSP资料和井间地震资料三种尺度的地震资料都是相同地下地质体对应于该观测尺度下的地震波响应特征,差异在于由于观测方式的不同,资料所包含的波场信息丰富程度不一样,反映地质体信息的范围不一样,在分辨能力上具有一定的差异性.地面地震资料具有较强的横向连续性但纵向分辨率低,VSP资料具备比较精确的时深关系,井间地震资料分辨率高但是覆盖范围小,对三种多尺度地震资料开展综合研究有利于更好的揭示地下地质信息.
The multiscale seismic data is very important in the reservoir geophysics.With forward modeling of the one-way waves for multiple-scale observations, compareing with the wave field, common shot gathers and migrated section characteristics, the relationship and difference among multiscale seismic data can be recognized.The relationship of multiscale seimic data is the seismic wave reflection response to the same geological body under different observation ways.The difference is due to the taried wave field information richness, geological ranges and detailed characteristics in the multiscale seismic data.The surface seismic data has good lateral continuity and low resolution.The VSP data has good time-depth relationship.The crosswell seismic data has high resolution and a small lateral range.Integrated study with the data of three different scales can reveal more geological information.
The multiscale seismic data is very important in the reservoir geophysics.With forward modeling of the one-way waves for multiple-scale observations, compareing with the wave field, common shot gathers and migrated section characteristics, the relationship and difference among multiscale seismic data can be recognized.The relationship of multiscale seimic data is the seismic wave reflection response to the same geological body under different observation ways.The difference is due to the taried wave field information richness, geological ranges and detailed characteristics in the multiscale seismic data.The surface seismic data has good lateral continuity and low resolution.The VSP data has good time-depth relationship.The crosswell seismic data has high resolution and a small lateral range.Integrated study with the data of three different scales can reveal more geological information.
引文
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[19] 熊晓军.单程波动方程地震数值模拟新方法研究[D].成都:成都理工大学,2007． Xiong X J.Method Research of One Way Wave equation Seismic Numerical Simulation[D].Chengdu: Chengdu University of Technology, 2007．
[20] 王延光,韩文功,刘浩杰.多尺度地球物理资料分析与匹配[J].石油地球物理勘探,2008,43(3) :333～339． Wang Y G, Han W G, Liu H J.Analysis and match of multi-scaled geophysical data[J].Oil Geophysical Prospecting (in Chinese), 2008,43(3) :333～339．
[2] 任芳祥,孙岩,朴永红,等.地震技术在油田开发中的应用问题探讨.地球物理学进展,2010,25(1) :4～8． Ren F X, Sun Y, Piao Y H,et al.Discussion on application of seismic technology to oilfield development[J].Progress in Geophysics (in Chinese), 2010,25(1) :4～8．
[3] 王喜双,甘利灯,易维启等.油藏地球物理技术进展[J].石油地球物理勘探,2006,41(5) :606～613． Wang X S, Gan L D, Yi W Q, et al.Technical progress of reservoir geophysics[J].Oil Geophysical Prospecting ( in Chinese), 2006, 41(5) : 606～613．
[4] 于鹏,王家林,吴健生等.地球物理联合反演的研究现状和分析[J].勘探地球物理进展,2006,29(2) :87～93． Yu P, Wang J L, Wu J S, et al.Review and discussions on geophysical joint inversion[J].Progress in Exploration Geophysics (in Chinese), 2006, 29(2) : 87～93．
[5] 陈洁,温宁,陈邦彦.重磁电震联合反演研究进展与展望[J].地球物理学进展,2007,22(5) :1427～1438． Chen J, Wen N, Chen B Y.Joint inversion of gravitymagnetic-electrical-seismic combination survey: progress and prospect[J].Progress in Geophysics (in Chinese), 2007,22 (5) : 1427～1438．
[6] 曹丹平,印兴耀,张繁昌等.多尺度地震资料联合反演方法研究[J].地球物理学报,2009,52(4) :1059～1067． Cao D P,Yin X Y,Zhang F C,et al.A study on the method of joint inversion of multiscale seismic data[J].Chinese J.Geophys.(in Chinese) ,2009,52 (4) : 1059～1067．
[7] 皮红梅,蒋先艺,刘财等.波动方程数值模拟的三种方法及对比[J].地球物理学进展,2009,24(2) :391～397． Pi H M, Jiang X Y, Liu C, et al.Three methods of wave equation forward modeling and comparisons[J].Progress in Geophysics,2009,24(2) : 391～397．
[8] 冯英杰,杨长春,吴萍.地震波有限差分模拟综述[J].地球物理学进展,2007,22(2) :487～491． Feng Y J, Yang C C, Wu P, et al.The review of the finite-difference elastic wave motion modeling[J].Progress in Geophysics (in Chinese), 2007,22(2) :487～491．
[9] 郭智奇,刘财,杨宝俊等.粘弹各向异性介质中地震波场模拟与特征[J].地球物理学进展,2007,22(03) :804～810． Guo Z Q,Liu C, Yang B J, et al.Seismic wave fields modeling and feature in viscoelastic anisotropic media[J].Progress in Geophysics, 2007,22 (03) :804～810．
[10] 徐义,张剑锋.地震波数值模拟的非规则网格PML吸收边界[J].地球物理学报,2008,51(5) :1520～1526． Xu Y,Zhang J F.An irregular-grid perfectly matched layer absorbing boundary for seismic wave modeling[J].Chinese J.Geophys.(in Chinese), 2008, 51(5) :1520～1526．
[11] 石双虎,何樵登,孟庆生等.基于BISQ模型双相EDA介质中VSP记录模拟[J].地球物理学进展,2007,22(2) :514～521． Shi S H, He Q D, Meng Q S,et al.Wave field simulation of VSP record based on BISQ model in two-phase EDA medium[J].Progress in Geophysics (in Chinese), 2007, 22 (2) : 514～521．
[12] 窦玉坛,郭常升,毛中华等.井间地震波动方程正演数值模拟及其应用[J].地球物理学进展,2007,22(6) :1867～1872． Dou Y T, Guo C S, Mao Z H,et al.The wave equation forward numerical simulation and application in crosswell seismic[J]. Progress in Geophysics,2007,22(6) : 1867～1872．
[13] 刘洪林,陈可洋,杨微,等.高阶交错网格有限差分法纵横波波场分离数值模拟[J].地球物理学进展,2010,25(3) :877～884．Liu H L, Chen K Y, Yang W, et al.Numerical modelling of P-and S-wave field separation with high-order staggered-grid finite-difference scheme[J].Progress in Geophys, ( in Chinese) ,2010,25(3) :877～884．
[14] 何兵寿,张会星,韩令贺.弹性波方程正演的粗粒度并行算法[J].地球物理学进展,2010,25(2) 650～656． He B S, Zhang H X, Han L H.Forward modelling of elastic wave equation with coarse-grained parallel algorithm[J].Progress in Geophys, (in Chinese),2010,25(2) :650～656．
[15] 刘洪,王秀闽,曾锐等.单程波算子积分解的象征表示[J].地球物理学进展,2007,22(2) :463～471． Liu H, Wang X M, Zeng R, et al.Symbol description to integral solution of one-way wave operator[J].Progress in Geophysics, 2007,22(2) :463～471．
[16] 张致付,孟小红,黎咸威.构造单程波算子的优化方法及其在偏移中的应用[J].地球物理学进展,2008,23(4) :1111～1117．Zhang Z F,Meng X H,Li X W.The optimization methods of constructing one-way operator and its application in migration[J].Progress in Geophysics (in Chinese), 2008,23(4) : 1111～1117．
[17] 何兵红,吴国忱,梁锴.粘弹性介质单程波法非零偏移距地震数值模拟与偏移[J].地球物理学进展,2009,24(4) :1299～1312．He B H, Wu G C, Liang K.Numerical simulation and migration of non-zero offset seismic wave in viscoelastic medium by one-way wave equation[J].Progress in Geophysics,2009,24(4) : 1299～ 1312．
[18] 郝召兵,秦静欣,伍向阳.地震波品质因子Q研究进展综述[J].地球物理学进展,2009,24(2) :375～381． Hao Z B, Qin J X, Wu X Y.Overview of research on the seismic wave quality factor(Q).Progress in Geophysics (in Chinese) ,2009,24(2) :375～381．
[19] 熊晓军.单程波动方程地震数值模拟新方法研究[D].成都:成都理工大学,2007． Xiong X J.Method Research of One Way Wave equation Seismic Numerical Simulation[D].Chengdu: Chengdu University of Technology, 2007．
[20] 王延光,韩文功,刘浩杰.多尺度地球物理资料分析与匹配[J].石油地球物理勘探,2008,43(3) :333～339． Wang Y G, Han W G, Liu H J.Analysis and match of multi-scaled geophysical data[J].Oil Geophysical Prospecting (in Chinese), 2008,43(3) :333～339．
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