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Issue:
Pre-Stack Reverse Time Migration Imaging Based on Relief Surfaces
Author(s):
WANG Xiwen
,
QIN Guangsheng
Pages:
357
-
359
Year:
2012
Issue:
3
Journal:
Xinjiang Petroleum Geology
Keyword:
relief surface
;
numerical simulation
;
seismic imaging
;
pre-stack
;
reverse time migration
;
Abstract:
中国西部地区复杂地表条件对准确地震成像提出了挑战。通过对起伏地表模型的数值模拟和处理分析,探讨了起伏地表条件下地震成像存在的问题和解决方法,实现了基于起伏地表的叠前逆时偏移,并用来对模型数据进行处理。与常规处理方法和基于浮动基准面的叠前深度偏移相比,该方法在地形复杂的陕北地区取得了良好的效果。
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