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Geophysical data integration and its application to seismic tomography

Mohammad Maysami


For oil exploration and reservoir monitoring purposes, we probe the earth's subsurface with a variety of geophysical methods, generating data with different natures, scales and frequency content. This diversity represents a large problem when trying to integrate all the gathered information. The concept of a shared earth by all these geophysical surveys suggests the presence of structural similarities in different data sets. For that purpose, it is necessary to work with geophysical properties that are scale-independent and not physical properties in individual layers. In this paper, I overview two methods for extracting structural information from data and using it as a constraint to the seismic tomography problem to compare different techniques and their effectiveness.