| 灰关联分析在砂岩储层评价中的应用 |
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| 引用本文： | 巴凯,杨德冰,唐直平.灰关联分析在砂岩储层评价中的应用[J].吐哈油气,2011(2). |
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| 作者姓名： | 巴凯 杨德冰 唐直平 |
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| 作者单位： | 长江大学研究生部;中国石油长庆油田公司苏里格气田开发指挥部;中国石油吐哈油田公司井下技术作业公司; |
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| 摘 要： | 对砂岩储层的评价来说,由于影响因数众多,储层定量评价难度较大。灰关联法能通过关联度分析及确定各评价因素的权重系数来理清系统中各因素间的主次关系,从而对目的层段砂岩储层质量进行分类评价。该文以王集油田东区的砂岩储层为研究对象,运用灰关联分析理论,采用权重系数的方法优选了有效厚度、孔隙度、渗透率、饱和度等4个评价因素,并对该区块的储层进行了评价。其评价结果与其他评价方法的结果类似,表明这种基于灰关联分析理论的砂岩储层评价的结果是较为客观和可靠的。
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| 关 键 词： | 灰关联分析 储层评价 关联度 权重系数 |
Application of Grey Association Analysis in Evaluation of Sandstone Reservoir |
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| Authors: | Ba Kai Yang Debing Tang Zhiping |
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| Affiliation: | Ba Kai1,2,Yang Debing2,Tang Zhiping3(1.Postgraduate Department of Yangtze University,Jingzhou 434023,Hubei,2.Development Headquarters of Sulige Gas Field,Changqing Oilfield Company,PetroChina,Xi'an 710018,Shanxi,3.Downhole Technical Operation Company,Tuha Oilfield Company,Shanshan 838202,Xinjiang) |
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| Abstract: | There are many factors influencing the sandstone reservoir evaluation, it is difficult to evaluate sandstone reservoir quantitatively. Grey association analysis can clarify the primary and secondary relationships among different factors by analyzing association degree and determining weight coefficients of each evaluation factor, and the classified evaluation for the quality of sandstone reservoir of target interval can be conducted. The grey association theory was used to evaluate the sandstone reservoir o... |
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| Keywords: | grey association analysis reservoir evaluation association degree weight coefficients |
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