Mechanism analysis of fluid-particle two-phase flow in macropores
of unconsolidated sandstone reservoir

PEI Gui-hong; LIU Jian-jun; Zeng Liu-fang; LIANG Bing

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Mechanism analysis of fluid-particle two-phase flow in macropores of unconsolidated sandstone reservoir

更新时间：2026-06-25

- Mechanism analysis of fluid-particle two-phase flow in macropores of unconsolidated sandstone reservoir
- Vol. 26, Issue S2, (2005)
- 作者机构：
  
  1. 武汉工业学院多孔介质力学研究所,武汉,430023
  2. 辽宁工程技术大学力学与工程科学系,阜新,123000
  3. 胜利油田孤东采油厂,东营,257237
- 作者简介：
- 基金信息：
- DOI：
  CLC： TE122.1
- Online First：16 December 2005，
  
  Published：2005
- 稿件说明：
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PEI Gui-hong, LIU Jian-jun, Zeng Liu-fang, et al. Mechanism analysis of fluid-particle two-phase flow in macropores of unconsolidated sandstone reservoir[J]. 2005, 26(S2).
DOI：

PEI Gui-hong, LIU Jian-jun, Zeng Liu-fang, et al. Mechanism analysis of fluid-particle two-phase flow in macropores of unconsolidated sandstone reservoir[J]. 2005, 26(S2). DOI：

摘要

油藏中大孔道的存在不仅导致套损和井壁失稳等，而且大大降低了油田注水和注化学剂的驱油效率。因此，研究大孔道形成及大孔道内流体-砂粒两相运移机理十分重要。根据多相流体力学的理论，考虑流体-砂粒之间的相互作用关系以及砂粒的沉降等，建立了大孔道内流体-砂粒两相运移的数学模型，并根据有限元方法探讨了数值求解的方法。从而为疏松砂岩油藏大孔道形成预测提供理论参考。

Abstract

The macropores not only cause casing damage and wellbore collapse

but also reduce the efficiency of water or chemical flooding. So

it is very important to study the mechanism of macropore and fluid flow in it. According to multiphase fluid mechanics

and considereing the interaction between fluid and sand particles

a mathematical model for fluid-sand partical two-phase flow in macropore is deduced. Numercial solution of the model is given based on finite element method. The work can provide a theoretical basis for predicting macropore formation in unconsolidated sandstone reservoir.

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