Assessing Time-Lapse Full-Waveform Inversion Strategies in a Brazilian Pre-Salt Setting
Brenno Hochwart,
Sérgio Luiz E.F. da Silva,
Marco Cetale
et al.
Abstract:We conducted a comparative study of time-lapse full-waveform inversion (time-lapse FWI) strategies, considering a typical deep-water Brazilian pre-salt setting. This study employed a realistic P-wave model, ocean bottom nodes (OBN) acquisition, noisy data, and a Gaussian anomaly to represent time-lapse model changes. We evaluated the four most commonly used time-lapse FWI schemes. In the first, known as parallel time-lapse FWI, two independent FWI processes are performed from the same initial model, utilizing … Show more
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