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- W2335765358 abstract "The main objective of this project was to evaluate the ability to derive petrophysical properties like porosity from pre-stack seismic data in a carbonate environment. We apply a direct petrophysical inversion technique to an offshore carbonate reservoir. Starting from an initial geological model in depth and a number of carefully conditioned seismic angle stacks, we derive a detailed 3-D model of the porosity and hydrocarbon saturation matching the observed seismic data. We use a well-calibrated Petro-Elastic Model (PEM) to link the petrophysical properties to the seismic velocities. We compare inversion results obtained using the Xu-Payne and T-matrix PEMs which both account for carbonate pore geometry, lithology, porosity and fluid content but have different elastic sensitivity to fluid saturations. The inverted results provide detailed images of the spatial variations of porosity and fluid content across the reservoir interval. Predicting absolute saturation values is more difficult, as saturation estimation is strongly dependent on the choice of PEM." @default.
- W2335765358 created "2016-06-24" @default.
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- W2335765358 date "2011-08-15" @default.
- W2335765358 modified "2023-09-23" @default.
- W2335765358 title "Petrophysical Seismic Inversion over an offshore carbonate field" @default.
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- W2335765358 doi "https://doi.org/10.3997/2214-4609-pdb.264.sbgf_3093" @default.
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