Dissatisfaction with the resolution of time-domain images and poststack-migrated sections obtained by conventional processing directed a lot of effort in prestack migration methods and also led to new time-domain imaging techniques (Hubral, 1999). The common-reflection-surface (CRS) stack belongs to these new methods. It has been demonstrated that (a) the CRS stack produces high-resolution time-domain sections (Hubral, 1999) and (b) posstack depth migration of CRS stacked sections may be considered as an alternative to prestack depth migration in difficult areas and, as shown by Trappe et al. (2001), can lead to better results than prestack depth migration.

The objective of this...

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