The effect of 3-D prestack seismic migration on seismic coherence and amplitude variability

被引：2
|
作者：
Rietveld, WE
Kommedal, JH
Marfurt, KJ
机构：
[1] Amoco Prod Co, E&P Technol Grp, Tulsa, OK 74133 USA
[2] Amoco Prod Co, E&P Technol Grp, London W5 1XL, England
来源：
GEOPHYSICS | 1999年 / 64卷 / 05期
关键词：
D O I：
10.1190/1.1444659
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：
We compare the effect of 3-D poststack versus 3-D prestack imaging on seismic coherence, seismic amplitude, and seismic amplitude variation. We find that the improved resolution and amplitude preservation of the prestack imaging result in more sharply defined terminations and hence better delineation by coherence and amplitude gradients even though the (macro) velocity models used in both imaging approaches are laterally invariant [v(z)].
引用
收藏
页码：1553 / 1561
页数：9
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