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- W2078701450 abstract "Velocity model building in presence of salt is still a challenge especially when it comes to intra-salt and sub-salt imaging. Various methods exist to tackle this issue and they differ a lot according to local geological settings. Ray-based tomography is rarely used to estimate velocities inside salt and other methods either involving manual interpretation of sediment inclusions or based on RTM amplitudes have been developed. We show in this paper an application of multi-layer tomography and high-definition tomography to intra-salt velocity update on a dataset from South Oman. The characteristics of salt and the intra-salt sediment inclusions allowed reliable dip and residual move-out information to be picked. This made the use of ray-based tomography possible and we show how high-definition tomography leads to higher resolution of the estimated model and better imaging of intra-salt and sub-salt events." @default.
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- W2078701450 date "2014-01-01" @default.
- W2078701450 modified "2023-09-26" @default.
- W2078701450 title "High-definition Tomography: An Application to Intra-Salt Velocity Update" @default.
- W2078701450 doi "https://doi.org/10.3997/2214-4609.20132097" @default.
- W2078701450 hasPublicationYear "2014" @default.
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