基于多尺度地球物理资料的流体预测技术
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摘要
如今油田开发主要使用油藏数值模拟方法来模拟预测剩余油分布状况,而利用地球物理流体预测信息作为约束条件并结合常规的油藏数值模拟方法进行联合反演,其预测结果既能满足油田开发动态数据规律,又能反映流体在空间的变化特征。本文尝试利用永3断块纵波和横波测井资料及渗透率、孔隙度、岩相等静态参数,结合开发动态参数,通过岩石物理标定,建立不同流体状态下的地球物理响应量板;再将叠前地震反演流体预测数据投影到设定的油藏数值模拟网格,利用标定的岩石物理模板将每个网格上的地震反演数据换算为含水饱和度,进而获得油藏动态信息空间分布。
At present,prediction of remaining oil distribution for oil field development is mainly performed using reservoir numerical simulation.In this work,a joint inversion is proposed for fluid forecast using geophysical data as a constraint by integration with conventional methods of reservoir numerical simulation.Results from this process can be consistent with fluid flow and spatial geophysical attribute characteristics.This could be an effective schema for remaining oil distribution characterization in mature fields.In this paper,we use the static parameters of Yong 3 fault block such as P-wave and S-wave logging data,permeability,porosity,lithofacies etc,and combine with dynamic parameters in development for application.First,we calibrate the rock model with logs,such that the template for geophysical responses on different dynamics states can be created.Then we project the pre-stack seismic inversion data onto numerical reservoir simulation grid.The saturation at each grid can be estimated using the calibrated template.Finally,the fluid spatial distribution can be mapped by integration of reservoir numerical simulation and seismic pre-stack inversion data.
At present,prediction of remaining oil distribution for oil field development is mainly performed using reservoir numerical simulation.In this work,a joint inversion is proposed for fluid forecast using geophysical data as a constraint by integration with conventional methods of reservoir numerical simulation.Results from this process can be consistent with fluid flow and spatial geophysical attribute characteristics.This could be an effective schema for remaining oil distribution characterization in mature fields.In this paper,we use the static parameters of Yong 3 fault block such as P-wave and S-wave logging data,permeability,porosity,lithofacies etc,and combine with dynamic parameters in development for application.First,we calibrate the rock model with logs,such that the template for geophysical responses on different dynamics states can be created.Then we project the pre-stack seismic inversion data onto numerical reservoir simulation grid.The saturation at each grid can be estimated using the calibrated template.Finally,the fluid spatial distribution can be mapped by integration of reservoir numerical simulation and seismic pre-stack inversion data.
引文
[1]Kassouri A,Djaffer J.Lithology and gas detection byAVO crossplot polarization and intercept inversion.Expanded Abstract of EAGE65th Annual Confer-ence,2003
[2]甘利灯,赵邦六,杜文辉等.弹性阻抗在岩性与流体预测中的潜力分析.石油物探,2005,44(5):504~505Gan Li-deng,Zhao Bang-liu,Du Wen-hui et al.Thepotential analysis of elastic i mpedance in the lithologyand fluid prediction.GPP,2005,44(5):504~505
[3]张娥.利用地震属性预测砂岩储集层厚度及含油饱和度.石油勘探与开发,2000,27(l):92~94Zhang E.Predicting the sandstone reservoir thicknessand oil saturation using seismic attributes.PetroleumExploration and Development,2000,27(1):92~94
[4]李来林.一种预测储层含油饱和度的新方法.大庆石油地质与开发,2002,21(3):72~73Li Lai-lin.A new method to predict oil saturation inreservoir.PetroleumGeology and Oilfield Develop-ment in Daqing,2002,21(3):72~73
[5]刘洋.利用地震资料估算孔隙度和饱和度的一种新方法.石油学报,2005,6(2):61~64Liu Yang.A new approach to esti mation of porosityand saturation with seismic data.Acta PetroleumSinica,2005,6(2):61~64
[6]金龙.利用地震资料定量反演孔隙度和饱和度的新方法.石油学报,2006,27(4):63~66Jin Long.Si multaneous inversion of porosity and satu-ration using seismic data.Acta Petroleum Sinica,2006,27(4):63~66
[7]李凌高,王兆宏等.基于叠前地震反演参数的流体饱和度定量预测方法.石油物探,2009,48(2):121~124Li Ling-gao,Wang Zhao-hong et al.Quantitative pre-diction method for fluid saturation based on pre-stackseismic inversion parameters.GPP,2009,48(2):121~124
[8]Huang X R,Meister Land Workman R.I mprovementand sensitivity of reservoir characterization derivedfromti me-lapse seismic data.∥SPE Annual Techni-cal Conference and Exhibition,New Orleans,LA,1998
[9]Huang X R.Integrating ti me-lapse seismic with pro-duction data:a tool for reservoir engineering.TheLeading Edge,2001,20(10):1148~1153
[10]Andersen et al.Interactive interpretation of 4D pre-stack inversion data using rock physics templates,dual classification,and real-ti me visualization.TheLeading Edge,2009,28(8):898~906
[11]Andersen et al.Method for conditioning the reservoirmodel on 3Dand 4Delastic inversion data applied to afluvial reservoir in the North Sea.Extended Abstractof EAGE68th Annual Conference,2006
[12]Degaard and Avseth.Interpretation of elastic inver-sion results using rock physics templates.ExtendedAbstracts of EAGE65th Annual Conference,2003
[13]Batzle M,Wang Z J.Seismic properties of pore fluids.Geophysics,1992,57(11):1396~1408
[14]慎国强,孟宪军,夏吉庄,张学芳,李霞.面向油藏开发地质问题的精细储层反演研究.应用地球物理,2007,4(1):31~34Shen Guo-qiang,Meng Xian-jun,Xa Ji-zhuang ZhangXue-fang,Li Xia.Detailed reservoir inversion address-ing geological problems in reservoir development.Ap-plied Geophysics,2007,4(1):31~34
[2]甘利灯,赵邦六,杜文辉等.弹性阻抗在岩性与流体预测中的潜力分析.石油物探,2005,44(5):504~505Gan Li-deng,Zhao Bang-liu,Du Wen-hui et al.Thepotential analysis of elastic i mpedance in the lithologyand fluid prediction.GPP,2005,44(5):504~505
[3]张娥.利用地震属性预测砂岩储集层厚度及含油饱和度.石油勘探与开发,2000,27(l):92~94Zhang E.Predicting the sandstone reservoir thicknessand oil saturation using seismic attributes.PetroleumExploration and Development,2000,27(1):92~94
[4]李来林.一种预测储层含油饱和度的新方法.大庆石油地质与开发,2002,21(3):72~73Li Lai-lin.A new method to predict oil saturation inreservoir.PetroleumGeology and Oilfield Develop-ment in Daqing,2002,21(3):72~73
[5]刘洋.利用地震资料估算孔隙度和饱和度的一种新方法.石油学报,2005,6(2):61~64Liu Yang.A new approach to esti mation of porosityand saturation with seismic data.Acta PetroleumSinica,2005,6(2):61~64
[6]金龙.利用地震资料定量反演孔隙度和饱和度的新方法.石油学报,2006,27(4):63~66Jin Long.Si multaneous inversion of porosity and satu-ration using seismic data.Acta Petroleum Sinica,2006,27(4):63~66
[7]李凌高,王兆宏等.基于叠前地震反演参数的流体饱和度定量预测方法.石油物探,2009,48(2):121~124Li Ling-gao,Wang Zhao-hong et al.Quantitative pre-diction method for fluid saturation based on pre-stackseismic inversion parameters.GPP,2009,48(2):121~124
[8]Huang X R,Meister Land Workman R.I mprovementand sensitivity of reservoir characterization derivedfromti me-lapse seismic data.∥SPE Annual Techni-cal Conference and Exhibition,New Orleans,LA,1998
[9]Huang X R.Integrating ti me-lapse seismic with pro-duction data:a tool for reservoir engineering.TheLeading Edge,2001,20(10):1148~1153
[10]Andersen et al.Interactive interpretation of 4D pre-stack inversion data using rock physics templates,dual classification,and real-ti me visualization.TheLeading Edge,2009,28(8):898~906
[11]Andersen et al.Method for conditioning the reservoirmodel on 3Dand 4Delastic inversion data applied to afluvial reservoir in the North Sea.Extended Abstractof EAGE68th Annual Conference,2006
[12]Degaard and Avseth.Interpretation of elastic inver-sion results using rock physics templates.ExtendedAbstracts of EAGE65th Annual Conference,2003
[13]Batzle M,Wang Z J.Seismic properties of pore fluids.Geophysics,1992,57(11):1396~1408
[14]慎国强,孟宪军,夏吉庄,张学芳,李霞.面向油藏开发地质问题的精细储层反演研究.应用地球物理,2007,4(1):31~34Shen Guo-qiang,Meng Xian-jun,Xa Ji-zhuang ZhangXue-fang,Li Xia.Detailed reservoir inversion address-ing geological problems in reservoir development.Ap-plied Geophysics,2007,4(1):31~34
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