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Coal and Gas Outburst Extremely Low Permeability of Soft Coal Seam Deep Water Injection Technology
Author(s): 
Pages: 12-13,36
Year: Issue:  2
Journal: Coal

Keyword:  低透气性煤层深孔注水技术注水半径注水量;
Abstract: 通过对义安煤矿低透气性煤层深孔注水技术的实践和研究,逐渐摸索出适合该矿的煤层注水技术和措施,从而达到了在地质条件复杂、瓦斯涌出量大、煤质极为松软等条件下降尘固帮、消减瓦斯、安全回采和掘进的目的,为职工的身心健康和矿井安全生产打下坚实基础.
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