Methods for geomechanical fracture modeling

Details Methods for geomechanical fracture modeling Methods for geomechanical fracture modeling

E - Fixed Constructions

21

B

E21B 41/00 (2006.01) E21B 43/26 (2006.01) E21B 49/00 (2006.01)

Patent

CA 2549134

The present invention relates generally to methods for designing and optimizing the number, placement, and size of fractures in a subterranean formation and more particularly to methods that account for stress interference from other fractures when designing and optimizing the number, placement, and size of fractures in the subterranean formation. The present invention optimizes the number, placement and size of fractures in a subterranean formation. The present invention determinines one or more geomechanical stresses induced by each fracture based on the dimensions and location of each fracture. The present invention determinines a maximum number of fractures and a predicted stress field based on the geomechanical stresses induced by each of the fractures.

L'invention concerne généralement des méthodes pour concevoir et pour optimiser le nombre, le placement et la taille de fractures dans une formation souterraine, et en particulier des méthodes concernant les interférences de contrainte provenant d'autres fractures, lors de la conception et de l'optimisation du nombre, du placement et de la taille de fractures dans la formation souterraine. L'invention permet d'optimiser le nombre, le placement et la taille des fractures d'une formation souterraine. L'invention permet de déterminer au moins une contrainte géomécanique induite par chaque fracture, en fonction des dimensions et de l'emplacement de chaque fracture. L'invention permet de déterminer un nombre maximal de fractures et un champ de contraintes prédit, en fonction des contraintes géomécaniques induites par chaque fracture.

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