节点文献
虚谱法三维地震波动方程正演模拟
Three Dimensional Seismic Wave Forward Modeling by Pseudospectrum Method
【摘要】 虚谱法三维地震正演模拟通过有限空间数据的傅立叶变换解波动方程的空间导数,用二阶中心差商解波动方程中的时间偏导数进行地震正演模拟。给出了一个简单三维倾斜界面模型点震源沿走向和倾向的炮集记录,并给出楔状体模型沿走向和倾向的零炮检距记录。模拟结果表明,该算法应用于三维地震正演模拟是可行的。
【Abstract】 Three dimensional seismic wave forward modeling is an important tool in four dimensional seismic reservoir simulation. Three dimensional seismic wave forward can be performed by calculating spatial derivation of wave field using fast Fourier transform and calculating time marching based on the second order differentiating approximation. Seismic wave forward modeling for two simple three dimension models is given. The results show that the method is useful for three dimensional wave forward modeling.
【关键词】 地震模拟;
三维模型;
(虚谱法);
【Key words】 seismic simulation; 3D geological model; numerical simulation; (pseudospectral method);
【Key words】 seismic simulation; 3D geological model; numerical simulation; (pseudospectral method);
【基金】 中国石油天然气集团公司石油科技中青年创新基金
- 【文献出处】 江汉石油学院学报 ,JOURNAL OF JIANGHAN PETROLEUM INSTITUTE , 编辑部邮箱 ,1998年04期
- 【分类号】P631.41
- 【被引频次】6
- 【下载频次】246