通过实验论证，提出了流动单元划分的渗透率差异指标。
The permeability ratio index is brought forward by experimental results and can be a new index for flow unit partition.
八面河油田面14区为断块稠油油藏，油层出砂，渗透率差异大。
Mian14 Area of Bamianhe Oilfield is a fault block and high-viscosity oil reservoir, with sanding formation and very different permeability.
宏观非均质性较强，层内纵向上渗透率差异明显，渗透率非均质参数值较大；
Reservoir macroheterogeneity is also high. Its internal longitudinal permeability has obvious differences and the value of permeability heterogeneity parameters is greater.
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