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8th Biennial International Conference & Explosition on Petrolelum Geophysics

Improving Surface Seismic Resolution using VSP Data

Published in GEOHORIZONS - 2010

M. Bhanu*, J. Saikia, O. P. Singh & K. V. Krishnan, ONGC, India.

Abstract


Bore hole seismic preserves higher bandwidth than surface seismic data. Here we attempt to improve the surface seismic resolution by extracting wavelet from surface seismic data and matching it to that of VSP. This method was tried at four well locations and the results show improvement in resolution of surface seismic data. Seismic data becomes comparable to that of VSP and has better match. The results are also compared with more commonly used spectral whitening process.

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