P16 JOINT PP AND PS STRATIGRAPHIC INVERSION FOR PRESTACK TIME MIGRATED MULTICOMPONENT DATA Summary 1 The goal of this paper is to improve the determination of a target zone located in a slowly laterally varying background by jointly inverting PP and PS waves available in prestack time migrated multicomponent data while taking into account a priori information (well log data geological knowledge...) in the inversion process: an optimal elastic model is estimated together with an optimal correspondence between PP and PS events. The methodology and results are illustrated on a 2D realistic synthetic example. Introduction YOHAN AGULLO* DANIELE MACE KARINE


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