| 基于灰色定权聚类的微观水驱油模型实验特低渗透储层流动单元划分及评价 |
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| 引用本文： | 黄进腊,孙卫.基于灰色定权聚类的微观水驱油模型实验特低渗透储层流动单元划分及评价[J].地质科技情报,2011,30(3):77-82. |
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| 作者姓名： | 黄进腊 孙卫 |
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| 作者单位： | 西北大学,大陆动力学国家重点实验室,西安710069;西北大学,地质学系,西安710069 |
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| 基金项目： | “十一五”国家科技支撑计划(2007BAB17B02); 国家“973”项目(2003CB214606) |
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| 摘 要： | 为研究微观水驱油模型流动单元划分及评价的可行性和效果,应用灰色定权聚类方法,以吴起油田X井区特低渗透长63储层25块样品为例,采用真实砂岩微观水驱油模型实验,以测得的渗透率、水驱前含油饱和度、启动压力、1 PV驱油效率以及孔隙度5项参数为基础,将样品划分为Ⅰ类、Ⅱ类和Ⅲ类流动单元.Ⅰ类、Ⅱ类和Ⅲ类流动单元分别与水下分流...
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| 关 键 词： | 灰色系统 灰色聚类方法 砂岩微观水驱油模型实验 流动单元 驱油效率 孔喉特征 |
Division and Evaluation of Flow Units by Means of Sandstone Micro-model for Water-Oil Displacement Experiment Based on Grey Fixed Weight Clustering Method |
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| HUANG Jin-la
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SUN Wei.Division and Evaluation of Flow Units by Means of Sandstone Micro-model for Water-Oil Displacement Experiment Based on Grey Fixed Weight Clustering Method[J].Geological Science and Technology Information,2011,30(3):77-82. |
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| Authors: | HUANG Jin-la SUN Wei |
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| Institution: | a,b(a.State Key Laboratory of Continental Dynamics;b.Department of Geology, Northwest University,Xi′an 710069,China) |
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| Abstract: | To research the feasibility and effect of the division and evaluation of flow units made by applying micro-model for water-oil displacement,twenty five samples from the Chang-63 reservoir with ultra-low permeability in well block X of Wuqi Oilfield in Ordos Basin were tested by means of real-sandstone micro-model for water-oil displacement experiment for the collection of the parameters of their permeability,oil saturation before displacement,starting pressure,displacement efficiency of 1PV together with po... |
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| Keywords: | grey system grey clustering method sandstone micro-model for water-oil displacement experiment flow unit displacement efficiency pore throat characteristics |
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