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Organizing Heterogeneities in Turbidites: a Key Factor in Dynamic ModellingNormal access

Authors: T.N. Bui, J. Gonsalez Dunia and R. Labourdette
Event name: First EAGE West Africa Workshop 2013 - Subsurface Challenges in West Africa
Session: Regional Geology / Geophysics
Publication date: 07 November 2013
DOI: 10.3997/2214-4609.20131770
Organisations: EAGE
Language: English
Info: Extended abstract, PDF ( 2.36Mb )
Price: € 20

In turbiditic environment, the spatial distribution of heterogeneities is driven by the internal architecture of channels complex, composed of multiple stacked elementary channels (e.g. Labourdette & Bez, 2010). Stochastic modelling provides scattered facies infilling and a poor rendering of the heterogeneity distribution in the reservoir. Consequently, dynamic sweep appears rather uniform/isotropic, and doesn’t reflect the real fluid pathway along geological bodies. The example showed in this paper is a Miocene reservoir from offshore Congo; the definition of field development is still ongoing. The methodology used allows the implementation of organized heterogeneities for dynamic simulation. The calibration was performed thanks to dynamic data, and impacts the simulated forecast, especially in terms of sand connectivity, sweep efficiency.

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