摘要
根据矿井中央采区和东翼采区煤层及瓦斯赋存情况不同,采用高位钻孔替代高位巷抽采,取得同样效果,且经济效益可观。
According to the coal seams in the central and east panel and the gas occurrence, the article introduces a method of using the high drill holes instead of upper lane extracting , which has proved effective and considerably economic efficient.
出处
《江西煤炭科技》
2007年第1期9-10,共2页
Jiangxi Coal Science & Technology
关键词
高位钻孔抽采
治理瓦斯
效果显著
high drill holes extracting
gas prevention
remarkable effect
