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Technical Paper: Pre-Stack Full Waveform Inversion for Velocity Model Building

Society: SBGF
Paper Number: 2975
Presentation Date: 2011
 

Abstract

An accurate earth model is key to any successful depth imaging effort. Full waveform inversion is an advanced velocity model building process which uses the full two way wave equation. Existing methods use a ray tracing approach to distribute velocity errors, computed from the residual move-out in Image gathers, into the model.

In this paper we will briefly introduce the full waveform inversion theory and show some results from synthetic and real data studies.

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