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Book Chapter

A New Efficient Scheme to Model Hydrocarbon Migration at Basin Scale: A Pressure-Saturation Splitting

By
Sylvie Wolf
Sylvie Wolf
IFP Energies Nouvelles 92852 Rueil-Malmaison Cedex, France
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Isabelle Faille
Isabelle Faille
IFP Energies Nouvelles 92852 Rueil-Malmaison Cedex, France
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Sylvie Pegaz-Fiornet
Sylvie Pegaz-Fiornet
IFP Energies Nouvelles 92852 Rueil-Malmaison Cedex, France
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Françoise Willien
Françoise Willien
IFP Energies Nouvelles 92852 Rueil-Malmaison Cedex, France
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Bernard Carpentier
Bernard Carpentier
IFP Energies Nouvelles 92852 Rueil-Malmaison Cedex, France
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Published:
January 01, 2012

Abstract

Oil modeling in sedimentary basins commonly involves a great variety of complex physics, which leads to a fully coupled nonlinear set of partial differential equations. The most classical sequential time stepping is the fully implicit method, which computes pressure and oil saturation simultaneously. Although this method provides accurate solutions, it turns out to be computationally expensive. The aim of this chapter is to propose a new time-stepping strategy that allows computational cost to be minimized while preserving the accuracy of the numerical solution. The new approach is based on separating pressure from oil saturation and using a local time-step technique to calculate the oil saturation. An effective reduction of the central processing unit time is reached and is illustrated through several case studies.

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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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