井间地震射线追踪正演及数值计算

Journal of Oil and Gas Technology(2013)

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Abstract
井间地震射线追踪正演模拟是根据射线理论确定射线轨迹和波的传播时间的一种正演模拟方法.探讨了其正演模拟步骤,并利用VB语言编写了相应的射线追踪正演模拟程序.利用编制的程序进行了三层水平界面模型、四层倾斜界面模型、尖灭模型共3种模型的数值模拟试验,分析了其波场特征,各种波的位置关系与理论的时距曲线符合较好,验证了所编正演程序的有效性.
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Key words
forward modeling,interwell seism,ray trace
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