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Book Chapter

Prediction of Fluid Compositional Heterogeneities in Fields Using Local Grid Refinement: Example from the Jurassic of Northern Kuwait

By
Frédéric Monnier
Frédéric Monnier
Beicip-Franlab, Rueil-Malmaison, France
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Pierre-Yves Chenet
Pierre-Yves Chenet
Beicip-Franlab, Rueil-Malmaison, France
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Jean-Marie Laigle
Jean-Marie Laigle
Beicip-Franlab, Rueil-Malmaison, France
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Awatif Al-Khamiss
Awatif Al-Khamiss
Kuwait Oil Company (K.S.C.), Ahmadi, Kuwait
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Francois Lorant
Francois Lorant
IFP Energies Nouvelles, Rueil-Malmaison, France
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Sylvie Pegaz-Fiornet
Sylvie Pegaz-Fiornet
IFP Energies Nouvelles, Rueil-Malmaison, France
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Published:
January 01, 2012

Abstract

Applying basin modeling technology to predict high-resolution fluid distribution and properties, taking into account the local high resolution of the sediment properties in fields and prospects has been a growing need for the past 10 yr. To minimize simulation time, local grid refinement (LGR) techniques have been introduced. The main interest of LGR is to gain computing time and memory with respect to classical methods, such are Tartan gridding. With LGR, it is possible to define local areas with high resolution in a regional model. The LGR approach gives a more detailed picture of individual fields or prospects while using models of reasonable size. The models incorporate various regional elements of the petroleum system that include source rock and seal, for instance, to obtain a detailed understanding of local processes such as trap filling history.

To validate the LGR approach, a benchmark is performed. It aims at comparing the different refinement methods: (1) a high-resolution grid, (2) an LGR grid, (3) a Tartan grid, and (4) windowing. To test the behavior of and the results produced by LGR, this method is applied to a real case study from northern Kuwait. It illustrates the coupling between LGR and compositional three-dimensional Darcy flow modeling to predict the distribution of hydrocarbon composition and properties in local reservoir rock areas where accumulations are predicted. The LGR approach efficiently fills the gap between conventional basin modeling and reservoir modeling. Its application in northern Kuwait provides useful guidelines to predict API gravities, gas-oil ratio, and oil-water contact depth estimates in new prospects.

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Contents

AAPG Hedberg Series

Basin Modeling: New Horizons in Research and Applications

Kenneth E. Peters
Kenneth E. Peters
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David J. Curry
David J. Curry
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Marek Kacewicz
Marek Kacewicz
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American Association of Petroleum Geologists
Volume
4
ISBN electronic:
9781629810003
Publication date:
January 01, 2012

GeoRef

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