Method for optimising the production of a cluster of wells

E - Fixed Constructions – 21 – B

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E21B 47/10 (2006.01) E21B 43/14 (2006.01) E21B 47/06 (2006.01)

Patent

CA 2645902

The present invention relates to a method to optimise production of a cluster of wells on the basis of an estimation of the contributions of individual wells to the production of the cluster of wells, tailored to the particular constraints and requirements of the oil and gas production environment. The wells in the cluster may differ in terms of nature and flux of its effluents, and/or mode of operation, stimulation and/or manipulation. The wells may also produce from multiple subsurface zones or branches. The wellheads of the wells in the cluster may be located on land or offshore, above the surface of the sea or on the seabed. The method according to the invention may be used to generate one or more optimisation models, taking into account only significantly relevant well and production syatem characeristics and effects.

L'invention concerne un procédé pour optimiser la production d'un groupe de puits sur la base d'une estimation des contributions de puits individuels à la production du groupe de puits, ledit procédé étant adapté aux contraintes et aux conditions particulières de l'environnement de production de pétrole et de gaz. Les puits du groupe peuvent être différents du point de vue de la nature et du flux de leurs effluents et/ou du mode d'exploitation, de stimulation et/ou de manipulation. Les puits peuvent aussi produire à partir de multiples zones ou ramifications souterraines. Les têtes de puits du groupe peuvent se situer sur terre ou en mer, au-dessus de la surface de la mer ou sur le fond marin. Le procédé de l'invention peut être utilisé pour produire un ou plusieurs modèles d'optimisation ne tenant compte que des caractéristiques et des effets réellement pertinents des puits et du système de production.

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