THE MIGRATORS EQUATION FOR ANISOTROPIC MEDIA

被引:21
作者
UREN, NF [1 ]
GARDNER, GHF [1 ]
MCDONALD, JA [1 ]
机构
[1] UNIV HOUSTON,ALLIED GEOPHYS LABS,HOUSTON,TX 77204
关键词
D O I
10.1190/1.1442789
中图分类号
P3 [地球物理学]; P59 [地球化学];
学科分类号
0708 ; 070902 ;
摘要
The migrator's equation, which gives the relationship between real and apparent dips on a reflector in zero-offset reflection seismic sections, may be readily implemented in one step with a frequency-domain migration algorithm for homogeneous media. Huygens' principle is used to derive a similar relationship for anisotropic media where velocities are directionally dependent. Transversely isotropic media are used to demonstrate the performance of an f-k implementation of the migrator's equation for anisotropic media. Isotropic and anisotropic migration of anisotropic physical model data are compared experimentally, where the anisotropic velocity function of the medium has a vertical axis of symmetry. Only when anisotropic migration is used is the original structure recovered. -from Authors
引用
收藏
页码:1429 / 1434
页数:6
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