2007
DOI: 10.2516/ogst:2007020
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Use of a Seismic Derived Constraint: Different Steps and Joined Uncertainties in the Construction of a Realistic Geological Model

Abstract: Résumé -Intégration d'une contrainte dérivée de la sismique : revue des différentes étapes et quantification des incertitudes associées à la construction du modèle géologique -La construction d'un modèle géologique réaliste est l'un des premiers objectifs du processus de caractérisation de réservoir. Ce terme résume les différentes étapes menant à l'obtention d'un modèle 3D intégrant toute l'information a priori disponible, le modèle géologique conceptuel, les données géologiques, de sismique et de production,… Show more

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Cited by 20 publications
(17 citation statements)
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“…Truncation thresholds depend on the proportions of facies in each litho-unit and on the relationship between the different lithotypes (contacts and transitions). The Gaussian Random Function is stationary but the proportions (hence the thresholds) can vary in space (Beucher et al, 1993;Galli et al, 1994;Le Loch and Galli, 1996;Doligez et al, 2007). This method was applied to litho-units corresponding to point bar deposits (litho-units 1, 2 and 6), and to chute channels heterogeneously filled by sands and shales (litho-units 5, 8 and 9).…”
Section: Geostatistical Parametersmentioning
confidence: 99%
“…Truncation thresholds depend on the proportions of facies in each litho-unit and on the relationship between the different lithotypes (contacts and transitions). The Gaussian Random Function is stationary but the proportions (hence the thresholds) can vary in space (Beucher et al, 1993;Galli et al, 1994;Le Loch and Galli, 1996;Doligez et al, 2007). This method was applied to litho-units corresponding to point bar deposits (litho-units 1, 2 and 6), and to chute channels heterogeneously filled by sands and shales (litho-units 5, 8 and 9).…”
Section: Geostatistical Parametersmentioning
confidence: 99%
“…As also already noted by Journel and Alabert (1990), and illustrated in their paper, data integration provides a major contribution to reservoir modeling geostatistics. Moreover, this approach allows the integration of secondary data, such as qualitative conceptual geological models (Ravenne et al, 2002) or quantitative seismic data (Lerat et al, 2006;Doligez et al, 2007).…”
Section: Geological Settingsmentioning
confidence: 99%
“…In this study, the modeling was performed starting from typical workflows for the reservoir's units and its overburden (Doligez et al, 1999(Doligez et al, , 2007Cosentino, 2001;Dubrule, 2003;Labourdette et al, 2005;Zakrevsky, 2011). However, according to the available data, the stratigraphic framework was made the focus.…”
Section: Geological Settingsmentioning
confidence: 99%
“…Thus, petrophysical properties are considered as random variables whose spatial variabilities are characterized from the collected static data. A usual geological modeling process is recapped hereafter (Journel et al, 1998;Doligez et al, 2007). First, we generate a facies realization, which respects the observations at wells and the facies proportions estimated from logs and seismic.…”
Section: Workflowmentioning
confidence: 99%