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An Integrated Approach to Design Completions for Horizontal Wells for Unconventional Reservoirs

机译:为非传统水库设计水平井完成的综合方法

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This paper presents a comprehensive and integrated workflow to design completions for a heavy oil recovery process that involves injection and production through the same well. Unlike in traditional completion design, the transient effects are particularly important to consider while analyzing the long-term performance for these types of completions to capture the effect of variations or uncertainties in reservoir and fluid flow characteristics over time. The proposed integrated workflow involves initial screening and selection of flow restricting completions that can meet the desired injection and production performance based on a detailed wellbore hydraulics modeling tool. A select few completions are then analyzed for longer term performance using a reservoir simulator that couples the flow restricting nature of completions with flow in the reservoir. The use of best-in-art wellbore hydraulics model and reservoir simulator in a staged process yields an effective way to assess and optimize the completion design for these wells in a reduced time span. The workflow disclosed here can be used to design effective completions for a broad class of cyclic liquid injection methods for heavy oil resources.
机译:本文介绍了全面且综合的工作流程,为重型石油回收过程设计完成,涉及通过同一井注射和生产。与传统的完井设计不同,瞬态效应尤为重要,同时分析这些类型的完成的长期性能,以捕获储层中的变化或不确定性随时间的变化或不确定性的影响。所提出的综合工作流程涉及初始筛选和选择流量限制性完成,这些完井完成可以满足所需的注射和生产性能,基于详细的井筒液压建模工具。然后使用储存器模拟器进行延长术语性能的选择少数完成,该储层模拟器将流量限制在储存器中的流动限制完井的流动。在分阶段过程中使用最佳井筒液压模型和储库模拟器的使用产生了一种有效的方法来评估和优化这些井的完成设计,在减少的时间范围内。这里公开的工作流程可用于为大类循环液体注射方法设计有效完成,用于重油资源。

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