间歇式抽油杆抽油系统的离散模拟建模

M. Jamalbayov, N. Valiyev
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引用次数: 0

摘要

该工作致力于模拟可压缩油藏中轻质和非挥发性油的过滤过程,该油藏具有低油藏压力,流入井中,以及在集成系统中通过抽油杆泵从井中间歇抽油。所研究的系统是在离散仿真建模的背景下考虑的。它由以下对象组成:泵、井和储层(井排区)。提出了一种以泵全周期抽油成本最小为准则确定泵空闲时间的算法。基于离散模拟建模概念,考虑储层流体的PVT特性和储层岩石的可压缩性,首次建立了泵井-储层系统的计算机模型。对间歇式抽油杆抽油过程进行了研究,建立了不同储层渗透率下抽油杆闲置时间对抽油效率影响的性质。开发的算法可用于创建智能井。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
The Discrete-Imitational Modeling of the Pump-Well-Reservoir System with a Intermittent Sucker-Rod Pumping
The work is devoted to the problem of modeling the filtration processes of light and non-volatile oils in compressible reservoirs with low reservoir pressure, inflow to the well and intermittent pumping of oil from the well by a sucker-rod pump in a integrated system. The system under study is considered in the context of discrete simulation modeling. It consists of the following objects: Pump, well and reservoir (well-drained zone). An algorithm has been developed for determining the pump idle time based on the criterion of the minimum cost of oil extracted during a full pump cycle. For the first time, a computer model of the pump-well-reservoir system was created on the base of the discrete-imitational modeling concept taking into account the PVT properties of reservoir fluids and the compressibility of the reservoir rocks. The sucker-rod pumping process in a intermittent mode has been studied, the nature of the influence of the pump idle time on the efficiency of the pumping at various reservoir permeabilities has been established. The developed algorithms can be used to create smart wells.
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