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Technical Abstract

Integrated high-resolution model building: a case study from the Sultanate of Oman

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The geology of northern Oman presents significant challenges for land velocity model building. We show in this paper that these challenges can be overcome by using an integrated high-resolution velocity model workflow, through the combination of different types of waves, that allow resolving different parts of the velocity model. This dedicated workflow consists of Multi-Wave Inversion (MWI) for the near-surface, followed by Optimal Transport Full Waveform Inversion (OT-FWI) and then by ray-based joint reflected and diving wave tomography inversion. It resolves challenges imposed by complex shallow geology and allows for proper imaging of deeper structures. Compared to a conventional ray-based only model building flow, the integrated high-resolution workflow enabled generating a geologically plausible velocity model which minimizes depth positioning errors and greatly enhances structural and stratigraphic trends.
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Publications

EAGE - European Association of Geoscientists and Engineers

Authors

Mohammad Farooqui, Diego Carotti (CGG) ; Moosa Jahdhami (Petroleum Development Oman)

Month

May

Copyright

©2021 EAGE
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