摘要
本文以工程实践为基础 ,通过理论计算和分析 ,给出了煤层注水或瓦斯抽放时 。
Based on engineering practices and through calculating and analyzing theoretically, this paper summarized a good sealing drill hole method at injection water into seam or gas extraction and the problem of sealing drill hole has been solved.
出处
《河北建筑科技学院学报》
2003年第2期69-71,共3页
Journal of Hebei Institute of Architectural Science & Technology
关键词
封孔
煤层注水
瓦斯抽放
开采
灾害预防
sealing drill hole
injection water into seam
gas extraction
