Abstract
Deepwater Campeche in the southern Gulf of Mexico is at the confluence of multiple structural domains, including a complex and extensive salt canopy, creating significant challenges for velocity model building and subsalt imaging. Recent developments of Full Waveform Inversion (FWI) and FWI Imaging provide us with a good opportunity to solve these challenges in this area. We demonstrate that a few iterations of velocity model updates driven by FWI can provide significant uplifts to the velocity model and image and, therefore, the understanding of underlying geology, even when only wide azimuth (WAZ) streamer data is available. We present the results of our model-building workflow and learnings in this paper centered around FWI using a single WAZ survey at Campeche Block 9.
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