发明公开
- 专利标题： Constant offset migration velocity analysis
- 专利标题（中）： 康斯坦丁Offset Migrationgeschwindigkeke分析。
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申请号： EP91301159.9申请日： 1991-02-13
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公开(公告)号： EP0442719A2公开(公告)日： 1991-08-21
- 发明人: Hanson, Douglas W. , Parsons, Roger K.
- 申请人： CONOCO INC.
- 申请人地址： 1000 South Pine Street Ponca City Oklahoma 74603 US
- 专利权人： CONOCO INC.
- 当前专利权人： CONOCO INC.
- 当前专利权人地址： 1000 South Pine Street Ponca City Oklahoma 74603 US
- 代理机构： Davies, Christopher Robert
- 优先权： US479778 19900213
- 主分类号： G01V1/30
- IPC分类号： G01V1/30
摘要：
A method for determining accurately the migration velocities for use in seismic migration processing of seismic data. The method presorts the seismic data into common-offset sections (14). The common-offset data is then migrated repeatedly with a selected range of velocities (16-22). The migrated data for each velocity is further sorted into a common-image point profile (24). The correct velocity per depth may then be determined by either determining the least time moveout for the common-image point at each depth (26), or computing the semblance for each common-image point and each test velocity and selecting the largest semblance value.
公开/授权文献
- EP0442719A3 Constant offset migration velocity analysis 公开/授权日：1992-03-18
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