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首页> 外文期刊>Transport in Porous Media >Sensitivity Analysis for Dynamic Spontaneous Imbibition with Variable Inlet Saturation and Interfacial Coupling Effects
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Sensitivity Analysis for Dynamic Spontaneous Imbibition with Variable Inlet Saturation and Interfacial Coupling Effects

机译：可变入口饱和和界面耦合效应的动态自发吸收的敏感性分析

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摘要

Dynamic spontaneous imbibition (DSI) plays an important role in oil reservoir characterization. Conventional equations used to characterize DSI consider neither interfacial coupling effects (ICE) nor variable inlet saturation (S*) for DSI. Yazzan et al. (Transp Porous Media 87(l):309-333, 2011a; 86(3):705-717, 2011b) developed a set of equations, and a numerical solution scheme, to take into account ICE and variable S* for DSI. Based on these, a graphical user interface (GUI) simulator was built. A sensitivity analysis has been conducted to study the effect of the fluid and rock properties on DSI. The results reveal that including a variable S* has no significant impact; however, neglecting ICE results in an overestimation of the imbibition flow rate. Moreover, it is shown that the capillary and relative permeability curves determine the type of frontal advance, and that the imbibition recovery is proportional to the square root of time.
机译：动态自吸（DSI）在油藏表征中起着重要作用。用于表征DSI的常规方程式既不考虑界面耦合效应（ICE），也不考虑DSI的可变进口饱和度（S *）。 Yazzan等。 （Transp Porous Media 87（1）：309-333，2011a; 86（3）：705-717，2011b）开发了一组方程式和数值解方案，以考虑ICE和DSI的变量S *。基于这些，构建了图形用户界面（GUI）模拟器。进行了敏感性分析，以研究流体和岩石特性对DSI的影响。结果表明，包括变量S *并没有显着影响。但是，忽略ICE会导致高估吸水流速。此外，表明毛细管和相对渗透率曲线决定了额叶前进的类型，而且吸水率的恢复与时间的平方根成正比。

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  • 来源
    《Transport in Porous Media》 |2013年第2期|397-417|共21页
  • 作者

    Saddam K. Yazzan; Ramon G. Bentsen; Japan Trivedi;

  • 作者单位

    Department of Civil and Environmental Engineering, School of Mining and Petroleum Engineering, University of Alberta, 3-112 Markin CNRL-NREF, Edmonton, AB T6G 2W2, Canada;

    Department of Civil and Environmental Engineering, School of Mining and Petroleum Engineering, University of Alberta, 3-112 Markin CNRL-NREF, Edmonton, AB T6G 2W2, Canada;

    Department of Civil and Environmental Engineering, School of Mining and Petroleum Engineering, University of Alberta, 3-112 Markin CNRL-NREF, Edmonton, AB T6G 2W2, Canada;

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  • 原文格式 PDF
  • 正文语种 eng
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  • 关键词

    dynamic spontaneous imbibition; interfacial coupling; transport equations; two-phase flow; immiscible flow;

    机译：动态自发吸收界面耦合运输方程;两相流不混溶的流动;

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