43 research outputs found
An MSSS-preconditioned Matrix Equation Approach for the Time-Harmonic Elastic Wave Equation at Multiple Frequencies
Get PDFA parallel multigrid-based preconditioner for the 3D heterogeneous high-frequency Helmholtz equation
Get PDFA parallel multigrid-based preconditioner for the 3D heterogeneous high-frequency Helmholtz equation
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Resistivity imaging with controlled-source electromagnetic data: depth and data weighting
Full text linkReduction of computing time for least-squares migration based on the Helmholtz equation by graphics processing units
Full text linkSeismic Iterative Migration Velocity Analysis: two strategies to update the velocity model
No full textInternational audienc
Viscoacoustic Frequency-Domain Full-Waveform Inversion – Application to Numerical VSP Data
No full textInternational audienceC029 Viscoacoustic Frequency-Domain Full-Waveform Inversion – Application to Numerical VSP Data A. Ribodetti* (Geosciences Azur) R.E. Plessix (Shell) S. Operto (Geosciences Azur - CNRS) & J.M. Virieux (Geosciences Azur) SUMMARY This work presents numerical tests to show that viscoacoustic frequency-domain full waveform tomographic inversion can be a useful tool for velocity and attenuation Q factor estimates from Vertical Seismic Profiles data. EAGE 69 th Conference & Exhibition — London UK 11 - 14 June 2007 EAGE 69 th Conference & Exhibition — London UK 11 - 14 June 2007 EAGE 69 th Conference & Exhibition — London UK 11 - ..
Viscoacoustic Frequency-Domain Full-Waveform Inversion – Application to Numerical VSP Data
No full textInternational audienceC029 Viscoacoustic Frequency-Domain Full-Waveform Inversion – Application to Numerical VSP Data A. Ribodetti* (Geosciences Azur) R.E. Plessix (Shell) S. Operto (Geosciences Azur - CNRS) & J.M. Virieux (Geosciences Azur) SUMMARY This work presents numerical tests to show that viscoacoustic frequency-domain full waveform tomographic inversion can be a useful tool for velocity and attenuation Q factor estimates from Vertical Seismic Profiles data. EAGE 69 th Conference & Exhibition — London UK 11 - 14 June 2007 EAGE 69 th Conference & Exhibition — London UK 11 - 14 June 2007 EAGE 69 th Conference & Exhibition — London UK 11 - ..
