In the early 80's Peter Hubral succeeded in establishing the foundations of an alternative stack technique, it was based on the expansion of the Taylor’s equation, allowing it to enter the three way kinematic parameters of search (Emergent angle β, the bends of the wave fronts RNIP and RN). Data derived from these parameters are taken and the final stack generates a field of improved velocity for each sample. The main feature of the technique is that Common Reflection Surface (CRS) stack allows increasing the signal / noise ratio due to the fact that the number of traces is superior. A seismic line from the Caribbean offshore of Colombia was processed using CRS in addition to conventional NMO/DMO, with the aim of comparing the stacking sections from the interpretive point of view. As a result, several important imaging aspects arose, such as better lateral continuity of reflectors and improved quality of the structural image at depth.
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Seismic Imaging and Inversion Techniques
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Fuente6th International Congress of the Brazilian Geophysical Society