刘志伟,李文彬

• 1:中煤科工集团重庆研究院有限公司

摘要(Abstract)：

研发了新型封孔材料固特捷和两端自堵封孔囊袋,优化了一套两端自堵囊袋式封孔工艺,并在那罗寨煤矿120101工作面进行了现场效果对比考察。相同抽采情况下,采用固特捷封孔材料的钻孔平均抽采浓度提高1～2倍,且高浓度钻孔所占比例大,抽采量提高近2倍,从而大大缩短了煤层瓦斯抽采达标时间。

关键词(KeyWords)： 封孔材料;两端自堵;瓦斯抽采;一次封孔

Abstract:

Keywords:

基金项目(Foundation):

作者(Author): 刘志伟,李文彬

参考文献(References)：

• [1]翟成,向贤伟,余旭,等.瓦斯抽采钻孔柔性膏体封孔材料封孔性能研究[J].中国矿业大学学报,2013,42(6):982-988.Zhai Cheng,Xiang Xian-wei,Xu Xun,etal.Sealing performance of flexible gel sealing material of gas drainage borehole[J].Journal of China University of Mining &Technology,2013,42(6):982-988.
• [2]刘娟红,纪洪广,贺震平,等.适于弱胶结软岩的新型冻结孔封孔材料性能及微结构研究[J].煤炭学报,2013,38(4):595-599.Liu Juan-hong,Ji Hong-guang,He Zhen-ping,etal.Study on performance and microstructure of new type sealing materialsuitable for freezing hole at weakly cemented soft rock[J].Journal of China Coal Society,2013,38(4):595-599.
• [3]李季,程五一,李敏,等.新型封孔材料的性能研究及封孔长度计算[J].中国安全生产科学技术,2011,7(2):42-45.Li Ji,Cheng Wu-yi,Li Min,et al.Analysis on performances of new sealing drill hole material and calculation of sealing length[J].Journal of Safety Science and Technoogy,2011,7(2):42-45.
• [4]兰泽全,曲荣飞,陈学习.直接法测定煤层瓦斯压力现状分析[J].煤矿安全,2009(4):74-77.
• [5]韩军智.钻孔封孔技术[M].北京:地质出版社,1983:23.
• [6]李铁磊,张仁贵,王本强.黄泥封孔测定煤层瓦斯压力方法的改进[J].煤炭工程师,1994(3):17-23.
• [7]冯旭海.综合注浆技术的应用与发展[J].中国矿业大学学报,2011,20(2):94-97.Feng Xu-hai.Development and application of integrated grouting technology[J].Journal of China University of Mining &Technology,2011,20(2):94-97.
• [8]冯向东.粘土水泥浆材料的选择[J].煤田地质与勘探,2000,28(1):43-47.
• [9]徐润.黏土水泥浆结石体研究[J].煤炭科学技术,2004,32(4):55-60.
• [10]杨会军,张超,李志梁,等.新型瓦斯抽采钻孔密封材料性能实验研究[J].煤矿安全,2016,47(08):19-22.Yang Hui-jun,Zhang Chao,Li Zhi-liang,et al.Experimental Study on Sealing Material Characteristics for New Gas Extraction Boreholes[J].Safety in Coal Mines,2016,47(08):19-22.
• [11]李国法,郑化安,付东升,等.煤矿瓦斯抽采钻孔封孔聚氨酯材料研究进展[J].洁净煤技术,2014,20(02):94-98.Li Guo-fa,Zheng Hua-an,Fu Dong-sheng,et al.Research progress of polyurethane for coal mining bore hole sealing engineering[J].Clean Coal Technology,2014,20(02):94-98.
• [12]王兆丰,武炜.煤矿瓦斯抽采钻孔主要封孔方式剖析[J].煤炭科学技术,2014,42(06):31-34.Wang Zhao-feng,Wu wei.Analysis on Major Borehole Sealing Methods of Mine Gas Drainage Boreholes[J].Coal Science and Technology,2014,42(06):31-34.