Migration of common-shot gathers.

Research output: Contribution to journalArticlepeer-review


Three depth migration methods which operate on common-shot data are presented. The first migration method maps digitized horizons from the X-T domain to the X-Z domain. Because this method is based on ray tracing, its computation time is short; it is suggested for iterative velocity analysis. The other 2 migration methods map the entire common-shot gather into a depth section. The common-shot migration requires calculation of the arrival time of the direct wave from the source to all the depth points, and is done through a direct solution of the eikonal equation. All 3 methods are suitable for areas with both lateral and vertical velocity variation.- Authors

Original languageEnglish
Pages (from-to)324-331
Number of pages8
Issue number2
StatePublished - 1986


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