The particle migration in reservoir is one of the main reservoir-damaging factors.
储层中微粒运移是储层损害的主要因素之一。
The particle migration damage is a kind of general and serious damage of unconsolidated producing formation.
微粒运移伤害是疏松产层一种比较普遍又相当严重的地层伤害。
Thus reducing acid concentration or the fluid volume will be benefit for rock structure protection, preventing formation collapse and particle migration in near - wellbore region after acidizing.
降低酸液浓度和用量有利于保护岩石骨架，避免近井眼岩石酸化后造成孔隙坍塌和加速微粒运移。
The paper discusses the migration condition of POre particle under hydrodynamism emphatically, and analyzes the influences of different types driving fluid to migration according to experiments.
本文着重讨论了水动力作用下孔隙微粒运移条件，结合室内实验分析了不同类型的驱动流体对运移产生的影响。
It was found that the rate of ion exchange depends on the migration of individual ions and that the particle diffusion coefficient changes with the fractional attainment of equilibrium.
个别离子的迁移率对交换速率有影响，粒子扩散系数随平衡分数而改变。
The high particle transportation area is located in the downwind area and the migration amount decreases with the wind velocity.
颗粒物向庭院房间的迁移主要集中在风向下游房间，迁移量随背景风速的增大而减小。
The migration behavior, plugging ability and profile control effects of gel particle in core were studied.
采用模拟实验方法研究了凝胶颗粒在岩心中的运移特性、封堵能力及其调剖效果。
When the hole diameter is equal to the particle size, the encumbrance force is the least and the velocity of boundary migration is the highest.
晶界位于粒子直径区位置时所受的阻力最小、运动速度最大。
When the hole diameter is equal to the particle size, the encumbrance force is the least and the velocity of boundary migration is the highest.
晶界位于粒子直径区位置时所受的阻力最小、运动速度最大。
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