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Technical Paper: Resolution and Stability Analysis of Offset VSP Acquisition Scenarios with Applications to Fullwaveform Inversion

Society: SEG
Paper Number: 2012-629
Presentation Date: 2012
 

Abstract

In this paper, we present a methodology that can be used to analyze different acquisition scenarios with applications to full-waveform inversion. The method is based on singular value decomposition (SVD) of the linearized forward map. We focus on the particular case of an offset vertical seismic profile (VSP) survey. Using a 2D isotropic model, we analyze efficiency of full-wave inversion (FWI) for a specific VSP acquisition scenario when pressure measurements are carried out in the well. We compare resolution and stability of inversion for this scheme with typical multicomponent VSP data inversion.

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