利用三维三分量观测系统的优度选择各向异性成像有利区域

三维三分量地震勘探是常规三维地震勘探的发展。它不仅可以进行地质构造勘探，而且可以进行岩性及各向异性介质勘探。鉴于三维三分量的野外作业更加复杂，采集成本更高，因此野外采集地震观测系统的优化分析更为重要。为此，本文引入优度分析概念。优度不仅与炮检距分布、方位角分布、面元尺寸大小及覆盖次数分布有关，更重要的是，优度分析参数可用来研究介质各向异性的有利分布区域。

Using superiority of 3-D,3-C geometry to select favorable region of anisotropic imaging.

3-D,3-C seismic exploration is development of common 3-D seismic exploration,it not only can be implemented in geologic structural exploration,but also can be implemented in lithologic and anisotropic medium exploration.In view of more complexity in 3-D,3-C seismic field operation and high cost of acquisition,the optimum analysis of seismic field acquisition geometry is more important.For this reason,the paper introduced the conception of superiority analysis.The superiority is not only related to offset distribution,azimuth distribution,bin size and folds,but more important,the parameters of superiority analysis can be used for study of favorably distributed region of anisotropy in the medium.