IMPLICIT STATIC CORRECTIONS IN PRESTACK MIGRATION OF COMMON-SOURCE DATA

被引：30
|
作者：
MCMECHAN, GA
CHEN, HW
机构：
来源：
GEOPHYSICS | 1990年 / 55卷 / 06期
关键词：
D O I：
10.1190/1.1442887
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：
Static effects due to surface topography and near-surface velocity variations may be accurately compensated for, in an implicit way, during prestack reverse-time migration of common-source gathers, obviating the need for explicit static corrections. Receiver statics are incorporated by extrapolating the observed data from the actual recorder positions; source statics are incorporated by computing the excitation-time imaging conditions from the actual source positions. -Authors
引用
收藏
页码：757 / 760
页数：4
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