P215 Source Location by Diffraction Stacking D.J. Gajewski* (University of Hamburg) D. Anikiev (St. Petersburg State University) B. Kashtan (St. Petersburg State University) E. Tessmer (University of Hamburg) & C. Vanelle (University of Hamburg) SUMMARY For deposits with weak 4-D signatures the passive seismic method may provide an alternative option for reservoir characterization. We introduce a new localization technique which does not require any picking of events in the individual seismograms of the recording network. The localization is performed by a modified diffraction stack of the squared amplitudes of the input seismograms resulting in the image section. The method is


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