地面定向钻进技术在煤矿陷落柱突水防治中的应用
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摘要
为了治理潘集二矿重大突水事故,提出了地面定向水平孔技术截流堵源的方案。潘集二矿12123工作面上、下底抽巷联络巷底板发生突水,瞬时最大突水量达14 000 m3/h,矿井部分被淹。因工作面上方存在湖泊和多个采空区,遂选择地面定向水平钻孔施工方案,即在地面施工一个定向水平堵源主孔对突水点灌注沙石骨料完成充填、形成顶板盖层,再通过主孔由地面注浆站灌注水泥浆完成陷落柱的封堵工作,并施工四个水平分支孔探查了陷落柱形态特征。结果表明,陷落柱导水通道被成功封堵,堵水率达到100%,显示了地面定向水平钻孔技术在陷落柱突水治理中的优越性,为今后类似突水事故的治理提供了宝贵的经验。
In order to control the major water inrush accident in Panji No.2 coal mine,a scheme for intercepting the source of the ground oriented horizontal hole technology was proposed. The water inrush occurred on the bottom of the No.12123 working face and the lower bottom pumping roadway of Panji No. 2 coal mine. The instantaneous maximum water inrush reached 14 000 m3/h,and the mine was partially flooded. Because there are lakes and multiple goafs above the working face,choose the ground-oriented horizontal drilling construction scheme,construct a horizontal horizontal plugging main hole on the ground to fill the sandstone aggregates at the water inrush point to complete the filling and form the roof cap. Then,through the main hole,the grouting station is filled with cement slurry to complete the plugging work of the collapse column,and four horizontal branch holes are constructed to explore the morphological characteristics of the collapse column. The results show that the water channel of the collapse column was successfully blocked and the water shutoff rate reached100%. It shows the superiority of the ground-oriented horizontal drilling technology in the water inrush of the collapse column,and provides valuable experience for the treatment of similar water inrush accidents in the future.
In order to control the major water inrush accident in Panji No.2 coal mine,a scheme for intercepting the source of the ground oriented horizontal hole technology was proposed. The water inrush occurred on the bottom of the No.12123 working face and the lower bottom pumping roadway of Panji No. 2 coal mine. The instantaneous maximum water inrush reached 14 000 m3/h,and the mine was partially flooded. Because there are lakes and multiple goafs above the working face,choose the ground-oriented horizontal drilling construction scheme,construct a horizontal horizontal plugging main hole on the ground to fill the sandstone aggregates at the water inrush point to complete the filling and form the roof cap. Then,through the main hole,the grouting station is filled with cement slurry to complete the plugging work of the collapse column,and four horizontal branch holes are constructed to explore the morphological characteristics of the collapse column. The results show that the water channel of the collapse column was successfully blocked and the water shutoff rate reached100%. It shows the superiority of the ground-oriented horizontal drilling technology in the water inrush of the collapse column,and provides valuable experience for the treatment of similar water inrush accidents in the future.
引文
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[18]史海岐.随钻测量定向钻进技术在煤矿水害防治中的应用[J].现代矿业,2014,30(4):38-41.SHI Haiqi.Application of Measurement While Directional Drilling Technology in Preventing and Controlling the Water disasters in Coal Mine[J].Modern Mining,2014,30(4):38-41.
[19]石智军,李泉新,许超.煤矿井下随钻测量定向钻进技术及应用[J].地质装备,2013,14(6):32-36.SHI Zhijun,LI Quanxin,XU Chao.Technology and application of directional drilling in underground coal mine[J].Equipment for Geotechnical Engineering,2013,14(6):32-36.
[20]袁辉,邓昀.L型地面钻孔注浆技术在矿井水害防治中的应用[J].煤炭科学技术,2017,45(4):171-175.YUAN Hui,DENG Jun.Grouting technology of L type surface borehole applied to water disaster prevention in mine[J].Coal Science and Technology,2017,45(4):171-175.
[2]郭金栋,王恩元.煤炭能源安全测度指标体系与综合评价[J].中国安全科学学报,2010,20(11):112-118.GUO Jindong,WANG Enyuan.Measurement indicator system&comprehensive appraisal for coal energy security in China[J].China Safety Science Journal,2010,20(11):112-118.
[3]张茂林,尹尚先.华北型煤田陷落柱形成过程研究[J].煤田地质与勘探,2007,35(6):26-29.ZHANG Maolin,YIN Shangxian.Forming process of subsided column in coalfields of North China[J].Coal Geology&Exploration,2007,35(6):26-29.
[4]赵苏启,武强.导水陷落柱突水淹井的综合治理技术[J].中国煤炭,2004,30(7):27-29,6.ZHAO Suqi,WU Qiang.Integrated management technology of water guide collapse column flooded wells[J].China Coal,2004,30(7):27-29,6.
[5]芮芳.宿南矿区岩溶陷落柱发育特征及其导水性研究[D].淮南:安徽理工大学,2017.
[6]李振华,徐高明,李见波.我国陷落柱突水问题的研究现状与展望[J].中国矿业,2009,18(4):107-109.LI Zhenhua,XU Gaoming,LI Jianbo.Research status and outlook of water-inrush from collapse column in China[J].China Mining Magazine,2009,18(4):107-109.
[7]孟召平,易武.开滦范各庄井田突水特征及煤层底板突水地质条件分析[J].岩石力学与工程学报,2009,28(2):228-237.MENG Zhaoping,YI Wu.Water inrush characteristics of Fangezhuang coalmine field in Kailuan and its geological condition analysis of water inrush from coal seam floor[J].Chinese Journal of Rock Mechanics and Engineering,2009,28(2):228-237.
[8]赵苏启,郭启文,陈晓国.皖北局任楼矿陷落柱特大水害快速钻探和注浆技术[J].中州煤炭,1997(5):17-19.ZHAO Suqi,GUO Qiwen,CHEN Xiaoguo.Rapid drilling and grouting technology for the heavy water damage of the sunken column in wanbei bureau[J].Zhongzhou Coal,1997(5):17-19.
[9]周垒.浅谈导水陷落柱突水淹井综合治理[J].水力采煤与管道运输,2011(0):39-41.ZHOU Lei.A brief discussion on the comprehensive treatment of water flooding and flooding well[J].Hydraulic Coal Mining and Pipeline Transportation,2011(4):39-41.
[10]郭江.动水条件下矿井突水快速治理与恢复技术研究[J].中国高新技术企业,2017(10):220-223.GUO Jiang.Study on the rapid management and recovery of mine water inrush under dynamic water condition[J].China High Technology Enterprises,2017(10):220-223.
[11]李长青,安许良,孙晓宇.地面定向水平孔煤层底板超前注浆防治水技术研究[J].煤炭工程,2017,49(9):19-22.LI Changqing,AN Xuliang,Sun Xiaoyu.Study on advance grouting in coal floor with ground directional horizontal hole for water hazard control[J].Coal Engineering,2017,49(9):19-22.
[12]刘爽.井下定向钻孔技术在红柳煤矿顶板水害防治中的应用研究[D].西安:西安科技大学,2017.
[13]陈星,袁东.新型煤矿瓦斯抽采技术及其作用研究[J].煤炭技术,2014,33(6):54-56.CHEN Xing,YUAN Dong.Study on new extraction technology and effects of coal mine gas[J].Coal Technology,2014,33(6):54-56.
[14]姚宁平.我国煤矿井下近水平定向钻进技术的发展[J].煤田地质与勘探,2008,36(4):78-80.YAO Ningping.Development trend of nearly horizontal directional drilling technology in coal mines of China[J].Coal Geology&Exploration,2008,36(4):78-80.
[15]王跃东.复杂地质条件矿井水平定向钻进施工技术分析[J].山西大同大学学报:自然科学版,2011,27(3):69-71.WANG Yuedong.Technical analysis of horizontal directional drilling in complex geological conditions.[J].Journal of Shanxi Datong University:Natural Science,2011,27(3):69-71.
[16]段中稳.隐伏导水陷落柱的综合防治[J].矿山压力与顶板管理,2004(2):115-117.DUAN Zhongwen.Comprehensive prevention and control of concealed water diversion column[J].Ground Pressure and Strata Control,2004(2):115-117.
[17]刘徐三.煤层瓦斯抽采水平定向钻孔钻进工艺及稳定孔壁冲洗液技术研究[D].成都:成都理工大学,2013.
[18]史海岐.随钻测量定向钻进技术在煤矿水害防治中的应用[J].现代矿业,2014,30(4):38-41.SHI Haiqi.Application of Measurement While Directional Drilling Technology in Preventing and Controlling the Water disasters in Coal Mine[J].Modern Mining,2014,30(4):38-41.
[19]石智军,李泉新,许超.煤矿井下随钻测量定向钻进技术及应用[J].地质装备,2013,14(6):32-36.SHI Zhijun,LI Quanxin,XU Chao.Technology and application of directional drilling in underground coal mine[J].Equipment for Geotechnical Engineering,2013,14(6):32-36.
[20]袁辉,邓昀.L型地面钻孔注浆技术在矿井水害防治中的应用[J].煤炭科学技术,2017,45(4):171-175.YUAN Hui,DENG Jun.Grouting technology of L type surface borehole applied to water disaster prevention in mine[J].Coal Science and Technology,2017,45(4):171-175.
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