| 利用等效介质理论计算油水相对渗透率曲线的理论研究 |
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| 引用本文： | 李克文.利用等效介质理论计算油水相对渗透率曲线的理论研究[J].石油天然气学报,1988(3). |
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| 作者姓名： | 李克文 |
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| 作者单位： | 江汉石油学院 84届毕业生 |
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| 摘 要： | 对于油水两相在多孔介质中的不可压、非混相流动,提出了一套根据孔隙的概率分布函数(PDF)计算油水相对渗透率曲线的基本方法,研究了孔隙的大小及其分布、多孔介质的结构特征、油水两相同渗因子以及油水粘度比等物理因素对油水相对渗透率曲线的影响,发现理论结果与实验结果比较吻合,同时,编制了相应的计算机软件EMTKR-2,利用该软件可以对任意类型的PDF进行两相相对渗透率曲线的计算并绘制出相对渗透率曲线图。
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| 关 键 词： | 等效介质理论 油水相对渗透率 粘度比 概率分布函数 岩芯分析 |
THE THEORETICAL STUDY OF CALCULATING OIL-WATER RELATIVE PERMEABILITY CURVE WITH EFFECTIVE MEDIUM THEORY |
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| Li Kewen.THE THEORETICAL STUDY OF CALCULATING OIL-WATER RELATIVE PERMEABILITY CURVE WITH EFFECTIVE MEDIUM THEORY[J].Journal of Oil and Gas Technology,1988(3). |
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| Authors: | Li Kewen |
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| Abstract: | For the incompresible flow of oil and water through a porous medium, the basic theory and method of calculating oil-water relative permeability curve by using the probability distribution function(PDF) of pore have been set up. The effects of the magnitude of pore and its distribution, the structure of porous medium, the oil-water concurrent flow and theviscosity ratio of oil and water relative ermeability curve have been studied. It is found that the theoretical results are very consistent with the experimental results. At the some time, the corresponding computer software EMTKR-2 have been worked out. The oil-water relative permeability curve and its figure can be obtained to any type of PDF by using the software EMTKR-2. |
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| Keywords: | effective medium theory oil-water rclative pcrmcability curve viscosty ratio probability distribution function(PDF) core analysis |
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