1) Yangchatan Coalfield
羊叉滩井田
1.
Study on coal bed methane deposit features of Yangchatan Coalfield in Songzao Mining Area;
松藻矿区羊叉滩井田煤层气赋存特征研究
2) Yangdong minefield
羊东井田
1.
According to Yangdong minefield No.
根据羊东井田2号煤层钻孔煤样瓦斯成份、含量及分布特征,以F1断层为界,以北为瓦斯稳定地段,以南至F6、F19断层为瓦斯异常地段。
3) Jinjitan mine
金鸡滩井田
1.
Fuzzy comprehensive evaluation for mining geological condition of Jinjitan mine;
金鸡滩井田开采地质条件的模糊综合评判
4) Caojiatan mine
曹家滩井田
1.
This paper uses fuzzy comprehensive evaluation to quantitatively evaluate and predict sub regions to coal seam-roof stability of 2~(-2) coal seam of Caojiatan mine,based on the six influence factors according to drilling materials.
本文基于钻探资料选定6个影响因素,利用模糊综合评判法对曹家滩井田2~(-2)煤层的顶板稳定性进行了定量评价和分区预测,结果显示,顶板整体为中等稳定,稳定性西部比东部差,南部比北部差。
6) Yangchangwan mine-field
羊场湾井田
1.
Quantitative classification of complicated degree of structures and coal seam stability in Yangchangwan mine-field
羊场湾井田构造复杂程度与煤层稳定程度定量划分
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