1887

Abstract

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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/content/papers/10.3997/2214-4609.201801158
2018-06-11
2024-04-25
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References

  1. AllemandT., SedovaA. and HermantO.
    [2017] Flattening common image gathers after full-waveform inversion: The challenge of anisotropy estimation. 87th SEG annual meeting
    [Google Scholar]
  2. BardainneT., GarceranK., RetailleauM., DuwattezX., SternfelsR. and Le MeurD.
    [2017] Laterally Constrained Surface Wave Inversion. 79th EAGE Conference & Exhibition.
    [Google Scholar]
  3. Dal MoroG. and Pipan, M.
    [2007] Joint Inversion of Surface Wave Dispersion Curves and Reflection Travel Times via Multi-Objective Evolutionary Algorithms. J. Appl. Geophys., 61, 56–81.
    [Google Scholar]
  4. Dal MoroG.
    [2008] VS and VP vertical profiling via joint inversion of Rayleigh waves and refraction travel times by means of bi-objective evolutionary algorithm. Journal of Applied Geophysics, 66.
    [Google Scholar]
  5. NobleM., GesretA. and BelayouniN.
    [2014] Accurate 3-D finite difference computation of traveltimes in strongly heterogeneous media. Geophysical Journal International, 199, 1572–1585.
    [Google Scholar]
  6. RetailleauM.
    [2015] Imaging the near surface using surface-consistent prediction operators: examples from the Middle-East. 77th EAGE Conference & Exhibition.
    [Google Scholar]
  7. SchwabF. A. and KnopoffL.
    [1972] Fast surface wave and free mode computations, in B.A.Bolt, B.Alder, and S.Fernbach, eds., Methods in Computational Physics, 11, Academic Press, 87–180.
    [Google Scholar]
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