相同孔隙度条件下，砂岩的渗透率比泥岩大得多。
The permeability of sandstone is much bigger than that of mudstone under the same condition.
当聚合物的相对分子质量及其分布宽度相同时，随着岩心渗透率变异因数的增大，其聚合物驱采收率也随之增加。
When polymer relative molecular mass and its distribution width are the same, the polymer displacement efficiency increases with the increment of the core permeability variation factor.
研究表明：在放喷流量相同的情况下，渗透率越低，储层厚度越薄，压差越大，套管承受的挤压力就越大。
The simulation results show that, at the same relief discharge, the bigger the permeability is, the bigger the extrusion pressure of casing damage is.
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