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Abstract

A methodology example is presented, where sedimentology and seismic characterization are involved in the construction of the reservoir model. The example is provided by an offshore clastic gas field consisting of several unconnected pools of different size, some of them below seismic resolution. The construction of a reservoir model was planned in order to: 1. assess the field reserves, 2. evaluate the impact of development actions on reserves. Reservoir extension and reservoir quality, i.e. facies and porosity distribution, were identified as the two main variables whose precise assessment was required for the sake of the geological model. A detailed work was planned that foresaw close integration between sedimentology and seismic characterization activities. At the end, seismic inversion products like sand occurrence were interpreted by the sedimentologist and integrated into his sedimentological model. LambdaRho elastic parameter was used to check the fluid contact previously defined with log data. Porosity maps resulting from seismic inversion were used as trends to distribute the petrophysical properties in the reservoir model.

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/content/papers/10.3997/2214-4609.20132046
2013-11-17
2022-01-26
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http://instance.metastore.ingenta.com/content/papers/10.3997/2214-4609.20132046
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