高位钻场孔在矿井瓦斯抽采中的应用研究-中国煤矿安全生产网 关键词:高瓦斯矿井 瓦斯抽采 高位钻场孔 [gap=495]Keyword:high-gas mine; gas extraction; high-drilled hole
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文章详细信息 关键词： 椭圆钻杆;;松软突出煤层;;瓦斯抽放 [gap=528]Keywords: oval drill rod;soft and outburst seam;gas extraction
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Natural gas extraction 天然气开采 ; 自然气开采
oil and gas extraction income 油气开采收入
Dense Gas Extraction 稠密气体萃取 ; 浓气萃取
acid gas extraction 酸性气抽提
seal gas extraction duct 密封气体抽气管
petroleum and gas extraction 石油和天然气的开采
Oil and Gas Extraction 油气提取 ; 油气开采
The effective radius of gas extraction drilling of single bedding about mining-coal bed is determined,which provides the basis for optimum arrangement of gas extraction drilling of single bedding.
确定了本煤层单一顺层钻孔抽采瓦斯的有效影响半径,从而为本煤层单一顺层瓦斯抽采钻孔的优化布置提供了依据。
参考来源 - 本煤层单一顺层瓦斯抽采钻孔的渗流场数值模拟So it become the key link solving the gas extraction in low-permeability coal beds to insure in coal mine security and enhance production efficiency.
因此，解决低渗透煤层的瓦斯抽放已成为确保煤矿安全生产，提高煤矿生产效率的关键环节。
参考来源 - 水射流非均质破岩理论及其应用·2,447,543篇论文数据，部分数据来源于NoteExpress
The local economy is overwhelmingly dependent on oil and gas extraction.
当地经济严重依赖石油和天然气提炼。
The gas extraction effects is related to negative pressure of suction.
顶板瓦斯高抽巷的抽采效果与抽放负压直接相关。
The mining, oil extraction, and gas extraction industries form yet another group.
从事采矿、采油和采气行业的焊工组成另外一个群体。
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