沉积规律控制下的测井约束波阻抗反演及其应用
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摘要
为使反演结果符合地质规律,对多学科综合反演进行了技术实践研究,特别是沉积规律对反演结果的控制作用。以某三维地震工区为例,在资料分析的基础上,以层序地层学为理论依据进行研究区沉积规律分析,并以此规律为指导进行测井曲线处理、子波提取、波阻抗反演参数选取等方面的探讨。通过多学科一体化研究工作,得到了准确反映沉积规律的反演数据体,精确预测出了三角洲前缘浊积有利储集砂体的发育范围、展布方向,为该区滚动勘探开发井位部署提供了重要依据。该研究成果同样适用于其他的砂泥岩沉积地区,尤其适合于各测井资料间差异明显、地震与测井信息间矛盾较大的工区。
Multidisciplinary inversion in technical practice,especially the impact of sedimentary rules on the inversion results has been studied to ensure the inversion results consistent with the geologic rule.Take some 3D seismic work areas as examples,sedimentary rules in the studied area are analyzed based on data analysis and according to the theory of sequence stratigraphy,under the guidance of which,well log processing,wavelet extraction and wave impendence inversion parameter selection are discussed.Inversion data that could reflect the sedimentary rules precisely has been achieved through the multidisciplinary study,which would predict the exact development range and distribution directions of the favorable accumulating sand bodies in the delta front turbidite,and thus provide an important reference to well deployment in the progressive process of exploration and development.The results are also adaptable to other sand shale deposited areas,especially to the area with obvious differences among logging data and conflicts between logging data and seismic data.
Multidisciplinary inversion in technical practice,especially the impact of sedimentary rules on the inversion results has been studied to ensure the inversion results consistent with the geologic rule.Take some 3D seismic work areas as examples,sedimentary rules in the studied area are analyzed based on data analysis and according to the theory of sequence stratigraphy,under the guidance of which,well log processing,wavelet extraction and wave impendence inversion parameter selection are discussed.Inversion data that could reflect the sedimentary rules precisely has been achieved through the multidisciplinary study,which would predict the exact development range and distribution directions of the favorable accumulating sand bodies in the delta front turbidite,and thus provide an important reference to well deployment in the progressive process of exploration and development.The results are also adaptable to other sand shale deposited areas,especially to the area with obvious differences among logging data and conflicts between logging data and seismic data.
引文
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[13]梁光河.地震子波提取方法研究[J].石油物探,1998,37(1):31-39.
[14]赖仲康.如何判别地震资料极性做好井约束反演[J].新疆石油地质,1999,20(4):302-306.
[2]姚逢昌,甘利灯.地震反演的应用与限制[J].石油勘探与开发,2000,27(2):53-56.
[3]刘喜武,年静波,吴海波.地震波阻抗反演方法之比较与应用分析[J].世界地质,2005,24(3):270-275.
[4]王延光.储层地震反演方法以及应用中的关键问题和与对策[J].石油物探,2002,41(3):299-304.
[5]陈萍.地震反演技术在泌阳凹陷储层预测中的应用[J].大庆石油地质与开发,2005,24(6):95-96.
[6]年静波,刘喜武,孟凡顺.地震精细油藏描述在油田开发中的应用[J].海洋石油,2006,26(1):51-56.
[7]韩小俊,赵宪生,王建民.波阻抗反演结果的影响因素分析[J].大庆石油地质与开发,2005,24(4):92-93.
[8]李庆忠.论地震约束反演的策略[J].石油地球物理勘探,1998,33(4):423-438.
[9]刘百红,李建华.测井和地震资料宽带约束反演的应用[J].石油物探,2004,43(1):76-80.
[10]李子顺,郭学斌,穆剑东.宽频带地震储层横向预测方法研究[J].大庆石油地质与开发,2006,25(2):89-90.
[11]年静波,张尔华,刘喜武,等.复杂断块区三维地震资料反演与储层预测[J].新疆石油地质,2006,27(2):184-187.
[12]张明学,蒋波,文瑞霞.层序地层学在齐家北地区的应用[J].大庆石油地质与开发,2006,25(5):24-26.
[13]梁光河.地震子波提取方法研究[J].石油物探,1998,37(1):31-39.
[14]赖仲康.如何判别地震资料极性做好井约束反演[J].新疆石油地质,1999,20(4):302-306.
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