2018
DOI: 10.1306/0913171611517242
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Probability maps of reservoir presence and sensitivity analysis in stratigraphic forward modeling

Abstract: One of the main objectives of petroleum exploration consists of predicting reservoir location. Data collected in the basin are used to better understand the sedimentary architecture, but are usually insufficient to accurately characterize this architecture. Three-dimensional stratigraphic forward modeling has brought new insights in the understanding of sediment distribution. It gives the opportunity to investigate several geological models and to tackle reservoir presence probability. However, simulation time… Show more

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Cited by 18 publications
(21 citation statements)
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“…(12). These indices are variance-based global sensitivity metrics and can be employed to apportion the variance of a target model output amongst the uncertain parameters employed to describe the system behavior (see Gervais et al 2018 for applications to SFMs).…”
Section: And References Therein)mentioning
confidence: 99%
See 2 more Smart Citations
“…(12). These indices are variance-based global sensitivity metrics and can be employed to apportion the variance of a target model output amongst the uncertain parameters employed to describe the system behavior (see Gervais et al 2018 for applications to SFMs).…”
Section: And References Therein)mentioning
confidence: 99%
“…As these models involve a large number of input parameters, a key limitation is the validation process of the resulting modeled stratigraphy, which is one of the main outputs of SFMs (Falivene et al 2014). Applications of SFMs are usually based on literature information to constrain model parameter values on a qualitative comparison between final modeling outputs and field data, parameter uncertainty being only considered by trial and error (Gervais et al 2018). In this context, a significant amount of work and time resources need to be invested to manually calibrate stratigraphic models to somehow match available information.…”
Section: Introductionmentioning
confidence: 99%
See 1 more Smart Citation
“…The model was calibrated on thicknesses and facies; (2) in the second step, a set of probability maps and sensitivity analysis were performed on 2 variables of interest (TOC and oxygen level at the sea floor). These analyses are based on a recent Global Sensitivity Analysis (GSA) approach by Gervais et al [27] and give access for this study to the spatial influence of the critical parameters (bathymetry, organic matter transport, oxygen mixing rate and primary productivity) on the output parameters (TOC and oxygen level). Besides the results of the sensitivity analysis, several models among the most representatives of the data from well studies and corresponding to different numerical scenario, were also compared to hypothesis available in literature and discussed.…”
Section: Introductionmentioning
confidence: 99%
“…The model was calibrated on thicknesses and facies; (2) in the second step, a set of probability maps and sensitivity analysis were performed on 2 variables of interest (TOC and oxygen level at the sea floor). These analyses are based on a recent global sensitivity analysis approach by Gervais et al [27] and give access for this study to the spatial influence of the critical parameters (bathymetry, organic matter transport, oxygen mixing rate and primary productivity) on the output parameters (TOC and oxygen level). Besides the results of the sensitivity analysis, several models among the most representatives of the data from well studies and corresponding to different numerical scenario, were also compared to hypothesis available in literature and discussed.…”
Section: Introductionmentioning
confidence: 99%