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首页> 外文期刊>Advances in Petroleum Exploration and Development >The Application of Fuzzy Clustering Method in the Division of Reservoir Flow Unit
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The Application of Fuzzy Clustering Method in the Division of Reservoir Flow Unit

机译：模糊聚类法在水库水流单元划分中的应用

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The reservoir of Beierxi-Puyizu in Sabei developed area comes into the special high water-cut stage. The distribution of residual oil at the later stage of polymer flooding is disperse quietly. The contradiction in layer or among layers is complex, the range of measure reduces gradually and routine measure takes effect poorly. According to the parameters such as permeability and formation capacity, the six sedimentary units of the block are divided into four flow units, the result will provides a more credible geological reference for the identification of single runway in complex channel sand and the adjustment of measures at the later stage of polymer flooding. The microfacies of the adjacent flow units are different, they are generally flow unit of margin facies belt. At the same time, the saturation of residual oil at the juncture of different microfacies belt is high. There is little residual oil exists in the channel sand flow unit of good type and more exists in very good type, it is the target of residual oil tapping at the middle and later stage of polymer flooding. The residual saturation of the flow unit in intermediate belt is high, but there are so many difficulties in tapping the residual oil.
机译：萨北发达地区的贝尔西-普伊祖水库进入特殊高含水期。聚合物驱后期的残余油分布悄然分散。层间或层间矛盾复杂，措施范围逐渐缩小​​，常规措施效果不佳。根据渗透率和地层承载力等参数，将块体的六个沉积单元划分为四个流动单元，其结果将为确定复杂航道砂中的单一跑道和调整措施提供更可靠的地质参考。聚合物驱的后期。相邻流动单元的微相是不同的，它们通常是边缘相带的流动单元。同时，不同微相带交界处的残余油饱和度很高。好的类型的河道砂流单元中几乎没有残留油，而非常好的类型中则存在更多，这是在聚合物驱的中后期注入残余油的目标。中间带中流动单元的残余饱和度很高，但是开采残余油有很多困难。

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