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Application of Gas Drainage Technology by Down-over Borehole
Author(s): 
Pages: 12-14
Year: Issue:  3
Journal: SAFETY IN COAL MINES

Keyword:  下向穿层钻孔瓦斯抽采下保护层;
Abstract: 为了加大下保护层采煤工作面瓦斯治理力度,解决下保护层采煤工作面回采过程中瓦斯对安全生产的威胁,潘一矿在下保护层工作面开采过程中,利用在被保护层工作面底板抽采巷道内施工下向穿层钻孔抽采保护层瓦斯技术,提高了下保护层工作面的瓦斯抽采率,确保了工作面的安全生产,并对其取得的效果进行了分析总结.
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