On the simulation of incompressible, miscible displacement in a naturally fractured petroleum reservoir

نویسنده

  • Todd Arbogast
چکیده

Résumé. — Une modèle porosité double, permeabilité double est presentée pour la simulation d’un déplacement incompressible miscible dans un mileau poreux naturellement fracturé. L’écoulement des fluides est décrit dans le système des fractures et dans chaque bloc matriciel par une équation elliptique pour la pression et une équation parabolique pour la concentration. L’échange de fluide entre les fractures et les blocs est modelé par l’imposition des conditions au bord sur les équations matricielles et par l’inclusion d’un terme de source distribuée en les équations dans les fractures. Une méthode d’éléments finis est donné pour approcher la solution. Elle utilise une méthode mixte pour la pression, une méthode modifiée des caractéristiques pour l’équation pour la concentration dans les fractures et une méthode ordinaire de Galerkin pour la concentration matricielle. La procédure converge asymtotiquement avec une vitesse optimale.

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تاریخ انتشار 2006