Velocity Model Building and Migration Imaging in a Foothill Belt Area
详细信息
- 责任者：Pan Hongxun (Geophysical Research Institute ; SINOPEC ; Nanjing 210014 ; China) ; Fang Wubao
- 刊名：Oil Geophysical Prospecting
- 出版年：2013
- 卷期：48(4)
- 关键词：地震勘探 ; seismic exploration ; 速度分析 ; velocity analysis
- 页码：p.526-530
- 图表：7 illus., 16 refs.
- 分类号：1600
- issnNo：ISSN1000-7210
- isbnNo：CN13-1095/TE
摘要
According to the characteristics of 3D seismic data in the Area B of a foothill belt in the Southern China,in the paper we use progressive velocity model building technique,combining migration velocity analysis with horizon-based statistics velocity analysis and residual velocity analysis from self-developed iCluster,a seismic imaging system,to improve the accuracy of the velocity model. This approach finally leads to an improvement of the pre stack time migration image.
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