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煤层瓦斯抽放钻孔封孔质量检测应用研究

杨利平

scientific and technological innovationInformation（2020）

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Abstract
为了检验煤层瓦斯抽放钻孔封孔深度的合理性以及挺高瓦斯抽采效率,在煤层瓦斯抽采钻孔正常抽采状态下,利用YFZ3型瓦斯抽放钻孔封孔质量检测仪测定钻孔内不同位置的瓦斯抽采参数,根据测点数据的变化规律,判断封孔质量优劣和确定封孔深度,为煤层瓦斯的高效抽放提供了保障.
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