流入控制装置在ECLIPSE提高采收率中的应用

A. Ugwu, Britt M. E. Moldestad
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引用次数: 2

摘要

由于摩擦压力损失或储层的非均质性,水平井的流入速率可能会随着完井长度的变化而变化。这些变化降低了扫油效率和最终采收率。因此,为了最大限度地提高水平井的采收率,有必要对储层中的流体流动进行管理。一种日益流行的方法是使用流入控制装置(ICD),以延迟水和气进入井中。流入控制装置通过引入额外的压降来平衡来自储层的流入。本文给出了在ECLIPSE中实现ICD的数学模型。介绍了一个与挪威海上Troll类似的非均质油藏实例。模拟结果表明,ICD可延迟262天见水,3000天后含水率降低11%。采用ICD后,气侵也减少了约51%。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
The Application of Inflow Control Device for an Improved Oil Recovery using ECLIPSE
The rate of inflow to a horizontal well could vary along the completion length due frictional pressure losses or heterogeneity in the reservoir. These variations reduce oil sweep efficiency and the ultimate recovery. Owing to this, it is necessary to manage fluid flow through the reservoir in order to maximize oil recovery along horizontal wells. One increasingly popular approach is to use inflow control devices (ICD) that delay water and gas breakthrough into the well. Inflow control devices balance the inflow coming from the reservoir towards the wellbore by introducing an extra pressure drop. This paper presents the mathematical models used for the implementation of ICD in ECLIPSE. A case using heterogeneous reservoir similar to Troll offshore Norway was illustrated. The simulation result shows that ICD could delay water breakthrough for 262days and water cut after 3000days reduced by 11%. Gas breakgthrough was also reduced by approximately 51% with ICD.
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