In the near future, essentially all seismic data will be on depth, with time sections merely a preliminary output of the entire process of prestack depth migration.

Is this statement too bold, or is it a valid forecast of the role of this advancing technology? Over the last decade, there has been a significant evolution in imaging the subsurface by prestack depth migration (PSDM) methods. This evolution initially began with 2-D methods in structurally complex settings such as thrust belts and areas of salt tectonics. Problems with velocity variations causing fault shadows, pull-ups, and push-downs began to be solved...

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