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).
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:
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.