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Abstract

Summary

The subject of integrated uncertainty quantification of reservoir is not new; all majors and service companies are proposing their big loops. It is more robust and coherent to sample together static and dynamic parameters whether for uncertainty quantification or for optimization purpose. It avoids working with only few static models and thus avoids the bias in decision making. But in practice, handling in a big loop structural, geological and dynamic uncertainties often results in a complex workflow and lines of script. A specialist or an experienced engineer should be present in a project team.

TotalEnergies E&P has developed a Big Loop Uncertainty tool allowing an easy and intuitive integration of reservoir uncertainties in a single workflow. The objective was to give a tool that any engineer can manage with only understanding of the discipline. Based on the experimental design and surface response solid basis, the tool “hides” the complexity and routine links. The single parametrization allows to explore differently global and local uncertainties, impacts or do optimization.

Here we are presenting an application of this tool to a rather complex case with 9 geological and 24 dynamic parameters mainly associated with several levels of heterogeneity, active aquifer and fault transmissivities.

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/content/papers/10.3997/2214-4609.202335012
2023-11-27
2025-05-23

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References

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/content/papers/10.3997/2214-4609.202335012
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Big Loop Uncertainty for Industrial use
Conference Proceedings 2023, 1 (2023); https://doi.org/10.3997/2214-4609.202335012
/content/papers/10.3997/2214-4609.202335012
/content/papers/10.3997/2214-4609.202335012
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