Enriched multi-point flux approximation

E - Fixed Constructions – 21 – B

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E21B 49/00 (2006.01) G06F 17/10 (2006.01) G06F 19/00 (2011.01)

Patent

CA 2660444

Methods and systems to reduce or eliminate numerical oscillations in solutions that occur when using conventional MPFA when modeling flow in a reservoir are provided. The technique may be referred to as enriched multi-point flux approximation (EMPFA) and may be used to improve the consistency and accuracy in constructing pressure interpolations in cells for the purpose of determining flux equations used in predicting flow in a reservoir.

L'invention concerne des procédés et des systèmes pour réduire ou éliminer des oscillations numériques dans des solutions qui se produisent lors de l'utilisation de la MPFA classique lors de la modélisation d'un écoulement dans un réservoir. La technique peut être désignée comme étant une approximation de flux multi-point enrichie (EMPFA) ou peut être utilisée pour améliorer la cohérence et la précision dans la construction d'interpolations de pression dans des cellules afin de déterminer des équations de flux utilisées pour prédire un écoulement dans un réservoir.

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