首页> 外国专利> Method and system to optimize the operational policy of the field to a region of the subsurface, method to optimize a problem of optimization for the time, and to support the decision considering the development of resources of petrolu00e9o, and storage medium readable by computer.

Method and system to optimize the operational policy of the field to a region of the subsurface, method to optimize a problem of optimization for the time, and to support the decision considering the development of resources of petrolu00e9o, and storage medium readable by computer.

机译:优化油田对地下区域的操作策略的方法和系统,优化时间优化问题并支持考虑汽油资源开发的决策以及计算机可读存储介质的方法。

摘要

A field operating policy for a subsurface region is optimized by setting initial policy parameters for the subsurface region. Fluid flow within a subsurface region is simulated, wherein the simulation includes optimizing an objective function for field operating policy, the objective function corresponding simultaneously to the modeled fluid flow characteristics of one or more wellbores within the subsurface region and relating to at least one production system performance parameter. Optimizing the objective function for field operating policy may include optimizing the initial policy parameters for the subsurface region with an over time optimization technique, wherein the policy parameters are optimized for a predetermined policy period. An enhanced value of the objective function is determined at each timestep within the predetermined policy period. The optimized policy parameters for the predetermined policy period may serve as constraints in the determination of an enhanced value of the objective function at each timestep within the predetermined policy period.
机译:通过为地下区域设置初始策略参数,可以优化地下区域的现场操作策略。模拟地下区域内的流体流动,其中该模拟包括针对现场作业策略优化目标函数,该目标函数同时对应于地下区域内一个或多个井眼的建模流体流动特性,并且涉及至少一个生产系统性能参数。针对现场操作策略优化目标函数可以包括利用超时优化技术针对地下区域优化初始策略参数,其中针对预定策略时段优化策略参数。在预定策略周期内的每个时间步确定目标函数的增强值。预定策略时段的优化策略参数可以用作在预定策略时段内的每个时间步确定目标函数的增强值的约束。

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