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Method for rapid fault interpretation of fault surfaces generated to fit three-dimensional seismic discontinuity data

机译:拟合三维地震不连续性数据的断层快速断层解释方法

摘要

A method to extract fault surfaces from seismic data (1,3) is disclosed. The method comprises: (a) generating at least two fault sticks (5) from the same fault from at least two slices of the seismic data wherein each slice comprises at least one fault stick from the same fault, (b) constructing an initial three-dimensional fault surface (7) containing the fault sticks, and (c) reconstructing the initial fault surface (9) using a deformable surface model to fit discontinuity or coherency information in the seismic data in an iterative process. Techniques are disclosed for constructing the initial fault surface from interpreter-provided fault nodes, and for performing the deformable surface iteration by defining an energy function for the fault surface and then minimizing the surface energy.
机译:公开了一种从地震数据( 1,3 )中提取断面的方法。该方法包括:(a)从地震数据的至少两个切片中,由同一断层产生至少两个断层棒( 5 ),其中,每个切片包括来自同一断层的至少一个断层棒, (b)构造包含断层棒的初始三维断层表面( 7 ),以及(c)使用可变形表面模型重建初始断层表面( 9 )在迭代过程中将不连续性或相干性信息拟合到地震数据中。公开了用于从解释器提供的断层节点构造初始断层表面,以及通过定义断层表面的能量函数,然后使表面能最小化来执行可变形表面迭代的技术。

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