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- Velocity model building for prestack depth migration is a model based iteration process. 摘要叠前深度偏移速度建模是一种基于模型的迭代修正过程。
- The characteristics of Archaeozoic melamorphic reservoirs in Niuxintuo area have been studied through data of coring, 3700 logging and 3D seismic prestack depth migration. 综合运用钻井取心、3700测井、三维地震叠前深度偏移等资料,对牛心坨地区太古界变质岩储层特征进行了研究。
- For the high order generalized screen propagator prestack depth migration, the more the order is the better the result we get. 基于波场逐步累加的"直接下延"法是解决复杂地表和地质条件下叠前深度偏移成像的有效手段。
- The 3-D prestack depth migration principally includes three parts: travetime cal-culation, Kirchhoff summation, and velocity analysis. 利用深度偏移后的道集是否拉平进行速度分析，可以进一步修改速度模型。
- The interpretation precision of target horizon by using prestack depth migration data is high com pared to real drilling. 利用叠前深度偏移资料解释的目的层层位，与实钻结果差异较小。
- Wave equation-based prestack depth migration technique can accurately describe the wave field in complex media conditions and perform high resolution imaging. 基于波动方程的叠前深度偏移方法能在复杂介质条件下精确描述波场,且能高精度成像。
- The migration imaging range is determined according to the structural attitude of 3 D velocity model , and the variable range 3 D prestack depth migration is done on the CSP ... 用三维相移加校正方法在炮集上实现三维叠前深度偏移，并根据三维速度模型构造形态，自动确定偏移后成像孔径进行变范围偏移叠加，提高三维构造形态清晰度。
- It solves out the required multi-valued traveltime and amplitude at the uniform dispersed grids efficiently when applied to 3-D prestack depth migration. 本文算法应用于三维叠前深度偏移处理流程时，可高效地获得均匀网格点上地震波多值走时及振幅的数值计算结果。
- Based on high order generalized screen propagator, we used the method of "wave field downward continuation" to realize prestack depth migration from irregular topography. 基于高阶广义屏算子，应用直接下延法，实现了起伏地表条件下的高阶广义屏算子深度偏移。
- Using the wave equation prestack depth migration on SEG-EAGE 2-D salt dome model as an example, the two-order generalized screen propagator increases 30% calculation work relative to the conventional one-order) generalized screen propagator. 以SEG-EAGE二维盐丘模型数据的波动方程叠前深度偏移为例，二阶广义屏传播算子相对于常规（一阶）广义屏传播算子增加了30%25的计算量。
- Applying the high order generalized screen propagator to wave equation prestack depth migration cast get a better migration result than that of conventional generalized screen propagator. 把高阶广义屏传播算子应用于波动方程叠前深度偏移，可得到比常规广义屏传播算子更好的效果。
- Prestack depth migration (PSDM) based on wave equation is not only applied in the complex structure imaging, but also used for the lithology imaging in the complex geological condition. 基于波动方程的叠前深度偏移成像技术可以将叠前深度偏移技术的应用领域从复杂构造成像扩大到复杂地质条件下的岩性地层成像。
- Wave Equation Prestack Depth Migration of Foothills Seismic Data 山前带地震数据的波动方程叠前深度偏移方法
- A Prestack Depth Migration Example in the East China Sea 叠前深度偏移技术在东海地区的应用
- Prestack depth migration based on common focus point gather and its application 基于共聚焦点道集的叠前深度偏移及其应用
- Wave equation prestack depth migration parallel computing and its application 波动方程叠前深度偏移并行计算及其应用效果
- Application of prestack depth migration technology in Dongpu depression 叠前深度偏移技术在东濮凹陷的应用
- A METHOD OF CREATING P-P AND P-SV WAVE PRESTACK DEPTH MIGRATION VELOCITY MODEL P-P波及P-SV波叠前深度偏移速度模型建立方法
- WAVE EQUATION BASED PRESTACK DEPTH MIGRATION USING GENERALIZED SCREEN PROPAGATOR 基于波动方程的广义屏叠前深度偏移
- The parallel computation and application for wave-equation prestack depth migration on PC-cluster 波动方程叠前深度偏移PC集群并行计算技术
