| 测井技术在煤层顶板岩层富水性评价中的应用 |
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| 引用本文： | 王轩,徐胜平,云晓鸣,汪宏志.测井技术在煤层顶板岩层富水性评价中的应用[J].工程地球物理学报,2014,11(6):762-766. |
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| 作者姓名： | 王轩 徐胜平 云晓鸣 汪宏志 |
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| 作者单位： | 1. 安徽理工大学地球与环境学院,安徽淮南,232001
2. 安徽省煤田地质局第三勘探队,安徽宿州,234000 |
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| 基金项目： | 安徽省国土资源科技项目 |
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| 摘 要： | 测井曲线含有丰富的地质信息,而在煤田勘探中其主要用于判别层位,未能对测井信息全面利用.本文通过研究淮南某矿钻孔测井资料,综合利用视电阻率测井曲线和自然电位测井曲线,并结合研究区的地质构造情况,对11-2煤顶板的富水性进行评价.结果表明,测井技术对煤层顶板砂岩含水性评价具有针对性强、准确率高等特点,通过测井曲线响应异常可以初步预测岩层富水区域,为工作面探放水设计工作提供技术参考.
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| 关 键 词： | 测井曲线 富水性 评价 顶板岩层 |
The Application of Well Logging Technology to Coal Seam Roof Strata's Water Abundance Assessment |
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| Wang Xuan,Xu Shengping,Yun Xiaoming,Wang Hongzhi.The Application of Well Logging Technology to Coal Seam Roof Strata's Water Abundance Assessment[J].Chinese Journal of Engineering Geophysics,2014,11(6):762-766. |
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| Authors: | Wang Xuan Xu Shengping Yun Xiaoming Wang Hongzhi |
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| Affiliation: | Wang Xuan , Xu Shengping , Yun Xiaoming , Wang Hongzhi (1. School of Earth and Environment, Anhui University of Science and Technology, Huainan Anhui 232001, China; 2. The Third Prospecting Team of Anhui Coal Geology Bureau, Suzhou Anhui 234000, China) |
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| Abstract: | Well logging curve contains abundant geological information while it is mainly used for judging strata in coal field, which fails to take full advantage of it. Through the a- nalysis of drilling logging data of a mine in Huainan and a comprehensive utilization of ap parent resistivity logging curves and spontaneous potential logging curves, combined with the geological conditions of the study area, this paper evaluates the water abundance of 11--2 coal roof. The results show that logging technology in assessing water abundance of coal roof sandstone has the advantages of highly--targeted and high accuracy, etc. The ab- normal response of well logging curve can preliminarily predict water--rich regions, which provides technical reference for the working surface＇s prospecting and drainage design. |
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| Keywords: | well logging curves water abundance assessment roof strata |
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