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西细庄矿原隶属于河北省张家口市国资委,2004年12月31日并入开滦(集团)蔚州矿业公司,该矿于1984年4月1日设计施工,于1986年12月9日正式投产,年设计生产能力30万t/年,2009年核定生产能力为60万t年。该矿主采煤层为5号煤,煤层厚度2.0～3.5m,平均厚度为2.75m,顶板多为细、粉砂岩,局部为粗砂岩,厚度0.73～20.15m,平均厚度为6.12m,伪底多为砂质泥岩,直接底为砂质泥岩或泥岩,局部为炭质泥
West fine Zhuang Autonomous Region owned subsidiary of Zhangjiakou City, Hebei Province SASAC, December 31, 2004 into the Kailuan (Group) Co., Ltd. Yuzhou mining, the mine on April 1, 1984 design and construction, in December 1986 9 Day formally put into operation, the annual design production capacity of 300,000 t / year, 2009 approved production capacity of 600,000 t years. The main coal seam for the No. 5 coal seam thickness of 2.0 ~ 3.5m, the average thickness of 2.75m, roof mostly fine, siltstone, locally coarse sandstone, the thickness of 0.73 ~ 20.15m, the average thickness of 6.12m, false Bottom mostly sandy mudstone, directly to the bottom of the muddy mudstone or mudstone, part of the carbonaceous mud