A SEISMIC REFLECTION IMAGING WORKFLOW BASED ON THE COMMON-REFLECTION-SURFACE STACK

摘要

The Common-Reflection-Surface stack method is a generalized multi-dimensional and multi-parameter stacking velocity analysis tool. In its application, emphasis has so far mainly been put on its ability to produce simulated zero-offset sections of high S/N ratio. However, the method also yields a number of so-called kinematic wavefield attributes. Based on these attributes, an entire seismic reflection imaging workflow can be established that includes the Common-Reflection-Surface stack itself, an automatic time migration, and the use of the wavefield attributes to determine a velocity model for depth migration. This imaging workflow is demonstrated on a synthetic 2D data example, starting from the preprocessed multicoverage data and leading to the final depth image.