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首页> 外文会议>Technology advances >A Numerical Model Coupling Reservoir and Horizontal Well Flow Dynamics:Transient Behavior of Single-Phase Liquid and Gas Flow
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A Numerical Model Coupling Reservoir and Horizontal Well Flow Dynamics:Transient Behavior of Single-Phase Liquid and Gas Flow

机译：储层与水平井流场耦合的数值模型：单相气液两相流的瞬态行为

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摘要

A fully implicit, three-dimensional simulator with localrnrefinement around the wellbore is developed to solve reservoirrnand horizontal well flow equations simultaneously, for singlephasernliquid and gas cases. The model consists of conservationrnof mass and Darcy’s law in the reservoir, and mass andrnmomentum conservation in the wellbore for isothermalrnconditions. The coupling requeriments are satisfied byrnpreserving the continuity of pressure and mass balance at thernsandface. The proposed simulator is tested against and verifiedrnwith the results obtained from a commercial code ECLIPSE-rn100?, and available public domain simulators and semianalyticalrnmodels.rnThe model can be used to simulate the transient pressurernand flow rate behavior of both the reservoir and the horizontalrnwellbore. Traditional decoupling of the wellbore transientsrnfrom the reservoir transients does not capture the horizontalrnwell pressure and flow rate transients at early times since therninteraction between the reservoir and wellbore is inherentlyrnneglected. Simulation runs with the proposed model reveal thernactual characteristics of horizontal wellbore storage andrnunloading. The effects of permeability, formation thickness,rnwell length, and fluid compressibility are also studied.
机译：开发了一种完全隐式的，在井眼周围进行局部细化的三维仿真器，以针对单相液体和气体情况同时求解油藏和水平井流方程。该模型包括储层中的质量守恒质量和达西定律，以及等温条件下井眼中的质量和动量守恒。通过保持砂面压力和质量平衡的连续性，可以满足耦合要求。对该拟议的模拟器进行了测试，并使用从商业代码ECLIPSE-rn100？获得的结果进行了验证，并提供了公共领域的模拟器和半分析模型。该模型可用于模拟储层和水平井筒的瞬态压力和流量特性。传统的井眼瞬变与储层瞬变的解耦不能在早期捕获水平井眼压力和流速瞬变，因为储层与井眼之间的相互作用是固有的。利用提出的模型进行的模拟运行揭示了水平井筒储存和卸载的实际特征。还研究了渗透率，地层厚度，井壁长度和流体可压缩性的影响。

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  • 来源
    《Technology advances》|2000年|p.1-11|共11页
  • 会议地点 Calgary(CA)
  • 作者

    R. Vicente; C. Sarica; T. Ertekin;

  • 作者单位

    Petrobras The Pennsylvania State University;

    The Pennsylvania State University;

    The Pennsylvania State University;

  • 会议组织
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 定向钻井;
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