| 煤储层裂隙研究方法辩析 |
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| 引用本文： | 李小彦. 煤储层裂隙研究方法辩析[J]. 煤田地质与勘探, 1998, 0(Z1) |
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| 作者姓名： | 李小彦 |
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| 作者单位： | 煤炭科学研究总院西安分院!710054 |
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| 摘 要： | 从煤岩学的角度，对煤储层裂隙的研究方法进行辩析，提出有关裂隙的定义。分析认为，主裂隙的展布方向是渗透性的优势方位；裂隙几何形态参数是渗透率大小的量级；连通性裂隙网络是高渗透区的良好标志，为预测煤储层渗透性能提供一种简单易行的研究方法。
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| 关 键 词： | 煤层 裂隙 方向 几何形态 煤岩学 |
ANALYSIS ON THE STUDY METHODS FOR COAL RESERVOIR FISSURES |
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| Li Xiaoyan. ANALYSIS ON THE STUDY METHODS FOR COAL RESERVOIR FISSURES[J]. Coal Geology & Exploration, 1998, 0(Z1) |
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| Authors: | Li Xiaoyan |
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| Affiliation: | Xi'an Branch of CCRI |
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| Abstract: | The study methods for coal reservoir fissures are analyzed from the view I)oint of coal petrology,and the deft nitions related to the fissures are presented. It is considered that the distribution direction of main fissure is the optimal direction of Permeability; the parameter of fissure geometry is the magnitude of l)ermeability;an'l the connected fissure network is the better indication of high I)ermeable area. Therefore, a siml)lificd method is Presented for the prediction of coal reservoir permeability . |
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| Keywords: | coal bed fissure direction geometry coal petrology |
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