Method and apparatus for effective well and reservoir...

E - Fixed Constructions – 21 – B

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E21B 49/00 (2006.01) E21B 41/00 (2006.01)

Patent

CA 2486857

A method for evaluating well performance includes deriving a reservoir effective permeability estimate from data points in a production history, wherein the data points include dimensional flow rates and dimensional cumulative production, at least one of the data points has no sand face flowing pressure information; and deriving at least one reservoir property from the reservoir effective permeability estimate and the data points according to a well type and a boundary condition for a well that produced the production data.

La présente invention concerne un procédé permettant d'estimer le rendement d'un puits. Ledit procédé consiste à dériver une estimation de perméabilité efficace d'un réservoir à partir de points de données dans un historique de production, les points de données comprenant des débits dimensionnels et une production cumulative dimensionnelle, au moins l'un des points de données ne présentant aucune information de pression d'écoulement côté sable; et à dériver au moins une propriété de réservoir à partir de l'estimation de perméabilité efficace d'un réservoir et des points de données en fonction d'un type de puits et d'une condition limite pour un puits qui a produit les données de production.

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