A computer system and method for modeling fluid depletion

Details A computer system and method for modeling fluid depletion A computer system and method for modeling fluid depletion

G - Physics

06

G

G06G 7/48 (2006.01) E21B 49/00 (2006.01) G06G 7/58 (2006.01)

Patent

CA 2466764

A method for modeling fluid depletion in a reservoir is disclosed. A map is divided into cells. For each of the cells a value is stored that is based at least in part on a physical characteristic of the cell. At least one cell that contains a depletion location is identified along with a depletion amount corresponding to that location. An amount of walkers associated with the depletion location is determined. For each walker, a plurality of steps are calculated with each step to an adjacent cell. Each walker starts in the cell containing the depletion location associated with that walker. The visits of all the walkers are recorded by cell. The fluid depletion of each cell is then assessed based at least in part on the number of walker visits for each cell (Fig. 3a).

L'invention porte sur un procédé de modélisation de l'épuisement d'un fluide contenu dans un réservoir souterrain selon lequel: on établit une carte du réservoir que l'on divise en cellules; on enregistre pour chacune de ces cellules une valeur basée au moins en partie sur l'une de ses caractéristiques physiques; on identifie au moins une cellule en voie d'épuisement dont on détermine le degré d'épuisement; on détermine le nombre de "walkers" associés à l'emplacement de l'épuisement; on calcule pour chaque "walker" plusieurs points contigus à une cellule; chaque "walker" débute dans la cellule contenant l'emplacement épuisé associé à ce même "walker". Les visites de tous les "walkers" sont classées par cellule. On peut ainsi estimer le degré d'épuisement de chaque cellule en se basant au moins en partie sur le nombre de visites de walker par cellule (fig 3a).

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