Its oil accumulation was controlled by vertical and lateral distribution and heterogeneity of the reservoir.
油藏的聚集明显受储层纵向分布和横向展布及非均质性的控制。
Ansai oil field in Ordos basin is a ultra low permeability reservoir with natural and induced fractures, which caused serious lateral heterogeneity of permeability in the reservoir.
鄂尔多斯盆地安塞特低渗透油田由于存在天然裂缝或人工压裂裂缝，造成了储集层平面渗透率的方向非均质性。
A parameter for quantitatively describing the lateral heterogeneity of reservoir permeability — heterogeneity factor is defined based on the percolation flow through porous media.
基于多孔介质中的渗流过程，定义了一个定量评价油藏渗透率水平非均质性的新参数———非均质系数。
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