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8th Biennial International Conference & Explosition on Petrolelum Geophysics

Some issues in 3D Pre stack Merging

Published in GEOHORIZONS - 2010

A K Srivastav*, C Chakravorty & K V Krishnan, ONGC, Chennai

Abstract


With the advancement in seismic data processing technology, pre stack merging of 3D vintages has come as a viable alternative to costly and time consuming reacquisition, which can provide a reasonably good integrated seamless data across prospects to meet the exploration time line. Here authors demonstrate that residual statics in a common super grid is superior to those determined in individual grid over the overlapping areas as there is no tapering of CDP fold in the super grid. New sets of Shot and Receiver point numbers are generated which are used for removing totally redundant traces from the super volume. This also removes

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