地震资料在三维地质建模中的应用
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摘要
以地震解释层面为趋势约束,结合断层平面组合关系建立构造模型,用三维地震体对层位及断层进行空间校正以保证构造模型的准确性。以反演体为软约束条件,提取波阻抗反演体的平面属性图,以此建立砂体的概念平面分布图及沉积相模型,为建立属性模型及油藏数值模拟提供准确可靠的地质基础及约束条件。
Taking the seismic interpretation horizons as trend constraint, the structural model was built combined with fault plane composite relation. The horizons and faults were spacial corrected by 3D seismic data volume to ensure the veracity of structural model. Taking the inversion body as the soft constraint conditions, the plane attribute maps of wave impedance inversion body were extracted for building the concept plane distribution maps of sandy body and sedimentary facies model. The application of seismic data can provide the reliable geological basis and constraint conditions for attribute model and reservoir numerical simulation.
Taking the seismic interpretation horizons as trend constraint, the structural model was built combined with fault plane composite relation. The horizons and faults were spacial corrected by 3D seismic data volume to ensure the veracity of structural model. Taking the inversion body as the soft constraint conditions, the plane attribute maps of wave impedance inversion body were extracted for building the concept plane distribution maps of sandy body and sedimentary facies model. The application of seismic data can provide the reliable geological basis and constraint conditions for attribute model and reservoir numerical simulation.
引文
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[2]杨耀忠,曲寿利,隋淑玲等.地震约束建模技术在油藏模拟中的应用.石油地球物理勘探,2003,38(5):525～527
[3]胡向阳,熊琦华,吴胜和.储层建模方法研究进展.石油大学学报(自然科学版),2001,25(1):110～114
[4]谭学群,吴卞生等.地震资料约束的地质统计模型.特种油气藏,2003,10(2):46
[5]吴胜和,金振奎,黄沧钿等.储层建模.北京:石油工业出版社,1999
[6]张团峰,王家华,景平等.三维储层随机建模与随机模拟技术研究.中国数学地质,1996,(7):15～19
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