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Applicability of surface directional wells for upper Silesia Basin coal seams’ drainage ahead of min
[期刊论文] 作者：Jura Bartlomiej,Skiba Jacek,Wi,
来源：矿业科学技术学报：英文版 年份：2014
Methods of exploitation drainage, which is presently applied in polish hard coal mines in Upper Silesian Coal Basin(Poland), are not effective enough, high risk...
[期刊论文] 作者：Jura Bartlomiej,Skiba Jacek,Wierzbinski Krystian,,
来源：International Journal of Mining Science and Technology 年份：2014
Methods of exploitation drainage, which is presently applied in polish hard coal mines in Upper Silesian Coal Basin(Poland), are not effective enough, high risk...
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