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Joint Inversion of Refracted P-waves, Surface Waves and ReflectivityNormal access

Author: T. Bardainne
Event name: 80th EAGE Conference and Exhibition 2018
Session: Near Surface - High Resolution Seismic and Surface Waves
Publication date: 11 June 2018
DOI: 10.3997/2214-4609.201801158
Organisations: EAGE
Language: English
Info: Extended abstract, PDF ( 482.2Kb )
Price: € 20

Summary:
A joint inversion of P-wave first arrivals, surface wave dispersion curves and reflectivity image along picked horizons is proposed for estimating a high resolution P-wave (and S-wave) velocity model of the near-surface. The three inversion datasets are combined in a stochastic optimization process through normalization of cost function terms accounting for different data domains. The resulting velocity model is geologically consistent and reconciles P and S-wave velocities and shallow reflectivity as well.


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