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Type: Artigo de evento
Title: Representation Of Reservoirs Generated By Object-based Stochastic Simulation In Numeric Flow Modeling
Author: Pumputis A.
Schiozer D.J.
Abstract: The interest for the reservoir characterization through the use of object-based stochastic simulation has increased recently in the petroleum industry, mainly because it is a promising technique for the evaluation of new fields. The objective of this work was to study the representation of object-based stochastic reservoirs in numerical flow simulation and the influence of such a process in the petroleum production forecast. Using data of object-based stochastic simulations of a real petroleum field containing sand rich turbidities reservoirs poorly connected, it was studied the interaction of four different reservoir characterization tools: (1) object-based stochastic simulation, (2) calculation methods of petrophysical properties, (3) upscaling and (4) numeric flow simulations. Aiming the representation of the real model with the smallest acceptable computational effort, it is shown how the choice of the calculation method of petrophysical data and the upscaling process affect the flow simulation results. It was possible to test the importance of each part of the process, especially the influence of the model heterogeneity and of use of different grids in the flow simulations. Concerning volumes in situ and oil and gas production the effect of the object-based stochastic simulation and of different methods of properties calculation were more important in the final results. Water production was most influenced by the upscaling process. It is shown the importance of each part of field production prediction process from the reservoir characterization through the flow simulation. The influence of heterogeneity and details about the upscaling process are discussed.
Rights: fechado
Identifier DOI: 
Date Issue: 2002
Appears in Collections:Unicamp - Artigos e Outros Documentos

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