[size=4] 渗透率级差 ( permeability ratio ) 渗透率级差 (K mn)是最大渗透率(K max)与最小渗透率(K min)的比值,表明渗透率的分布范围及差异程度：K mn= K max / K min渗透率...
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permeability-ratio curve 相对渗透率曲线
oil-water relative permeability ratio 油水相对渗透率比
relative permeability ratio 相对渗透率比值 ; 相对渗透率
water relative permeability ratio 油水相对渗透率比
hydraulic permeability ratio 水力比率
hydraulic permeability ratio changer 变液压比装置
permeability-porosity ratio 渗透率
permeability-to-porosity ratio 渗透率 ; 孔隙度比
The permeability ratio index is brought forward by experimental results and can be a new index for flow unit partition.
通过实验论证，提出了流动单元划分的渗透率差异指标。
The results indicate that with the permeability ratio increases, the enhanced recovery rate of residual polymer reutilization presents a first increases and then decreases trend;
结果表明：随渗透率级差的增大，残留聚合物再利用提高采收率幅度先增加后减小；
The closer the permeability ratio is and the smaller the permeability contrast is, the more gently the recovery evaluation parameter curve is and the smaller the range-ability of the curve changes.
渗透率比值越接近，层间渗透率级差越小，采出程度评价参数曲线越平缓，变化幅度越小。
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