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Numerical modeling of steam injection in heavy oil reservoirs

机译：稠油油藏注蒸汽数值模拟

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摘要

In this communication, a three-dimensional, three-phase numerical model is presented for simulation of steam injection in heavy oil reservoirs. Formulation details, numerical solution method, and computational results are presented. The model includes the effects of three-phase relative permeability, capillary pressure, and temperature and pressure-dependent fluid properties. Interphase mass transfer of water-steam is allowed, but the oil is assumed nonvolatile and the hydrocarbon gas is insoluble in liquid phases. The three-phase mass balance and the energy balance equations are solved simultaneously using finite difference method. Some steam injection laboratory data are used for studying the accuracy of this model. Comprehensive and comparative studies together with extensive sensitivity analysis among various important parameters are conducted to understand steam injection performance in the heavy oil reservoir. This work indicates that steam injection can improve oil recovery from almost zero up to nearly 60% during a fixed period of time. In addition, it shows that only 30% of OOIP can be recovered by hot water injection method. The results demonstrate that there is an optimum time for oil production that is determined according to the flow of oil production and steam-oil ratio (SOR).
机译：在此交流中，提出了一个三维三相模型，用于模拟稠油油藏中的蒸汽注入。介绍了配方细节，数值求解方法和计算结果。该模型包括三相相对渗透率，毛细管压力以及温度和压力相关流体特性的影响。允许水蒸汽进行相间传质，但假定油为非挥发性，烃类气体不溶于液相。使用有限差分法同时求解三相质量平衡和能量平衡方程。一些蒸汽注入实验室数据用于研究该模型的准确性。为了了解稠油油藏的注蒸汽性能，进行了综合和比较研究，并对各种重要参数进行了广泛的敏感性分析。这项工作表明，在固定的时间段内，注汽可以将采油率从几乎为零提高到近60％。此外，它表明通过热水注入方法只能回收OOIP的30％。结果表明，有一个最佳的采油时间取决于采油流量和汽油比（SOR）。

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  • 来源
    《Fuel》 |2013年第10期|185-192|共8页
  • 作者

    Sajad Mozaffari; Mohammad Nikookar; Mohammad R. Ehsani; Leili Sahranavard; Emad Roayaie; Amir H. Mohammadi;

  • 作者单位

    Department of Chemical Engineering, Isfahan University of Technology, Isfahan, Iran;

    IOR Research Institute, National Iranian Oil Company (NIOC) - R&T, Tehran, Iran;

    Department of Chemical Engineering, Isfahan University of Technology, Isfahan, Iran;

    IOR Research Institute, National Iranian Oil Company (NIOC) - R&T, Tehran, Iran;

    IOR Research Institute, National Iranian Oil Company (NIOC) - R&T, Tehran, Iran;

    Institut de Recherche en Genie Chimique et Petrolier (IRGCP), Paris Cedex, France,Thermodynamics Research Unit, School of Chemical Engineering, University of KwaZulu-Natal, Howard College Campus, King George V Avenue, Durban 4041, South Africa;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    EOR; Heavy oil reservoir; Steam injection; Modeling; Oil recovery;

    机译：EOR;重油藏蒸汽注入造型;采油;

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