李永涛,蒲治国,丁湘,王洋,谢小锋,贺晓浪

• 1:乌审旗蒙大矿业有限责任公司
• 2:中煤能源研究院有限责任公司

摘要(Abstract)：

针对纳林河二号矿井顶板砂岩水疏放钻孔布置难、疏放水效果不佳的问题,利用地面及井下综合物探资料,依据沉积控水规律对该矿工作面的水文地质条件进行分析,确定了疏放水的重点范围及层段的靶向标定,进而提出了靶向区域重点疏放,其他区域辅助疏放的疏放水模式:重点区域按"三角型"布置,局部加密钻孔按"米字型"布置,钻孔密度为181个/km2;非重点区域原则上按"一字型"布置,钻孔密度为76个/km2。疏放效果表明,针对疏放区域的重要性进行钻孔设计,可合理的减少疏放水钻孔工程量,节约工作面投产时间,同时起到了快速疏放顶板砂岩水的效果。

关键词(KeyWords)： 沉积条件;顶板砂岩水;综合物探;靶向标定;疏水效果

Abstract:

Keywords:

基金项目(Foundation): “十二五”国家科技支撑计划项目:蒙陕深部矿区亿吨级煤炭基地建设关键技术(2012BAB13B02)

作者(Author): 李永涛,蒲治国,丁湘,王洋,谢小锋,贺晓浪

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