【摘 要】
：
榆树田煤矿+1 300 m轨道石门揭下5煤过程中,通过现场测定瓦斯压力、瓦斯含量及钻屑瓦斯解吸指标△h2,应用富水煤岩层水压剔除技术,合理剔除下5煤层承压水的水压,准确测定煤层
【机 构】
：
徐矿集团夏阔坦矿业开发有限公司,煤科集团沈阳研究院有限公司
论文部分内容阅读
榆树田煤矿+1 300 m轨道石门揭下5煤过程中,通过现场测定瓦斯压力、瓦斯含量及钻屑瓦斯解吸指标△h2,应用富水煤岩层水压剔除技术,合理剔除下5煤层承压水的水压,准确测定煤层瓦斯压力,准确预测了下5煤层瓦斯突出的危险性,初步掌握了榆树田煤矿北翼采区下5煤层瓦斯赋存规律,为其他巷道安全揭煤提供科学依据,减少了预抽或排放时间,提高了揭煤速度,加快了矿井建设进度,缩短了矿井投产时间,具有较好的经济效益和社会效益.
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