Influence of Ordovician limestone waterto mining No.15 seam in Yangquan mine;

阳泉矿区奥灰水对15号煤层开采影响的预计分析

Safety Control and Utilization of Ordovician Limestone Water in Mine;

矿井奥灰水安全防治与利用

In order to prevent and control the Ordovician limestone waterin Yanzhou Coalfield,according to the available geological information,mining technological conditions and supplement exploration information,the paper had a study on the hydrological condition of the Ordovician limestone in Yanzhou Coalfield and specially the watery.

为了对兖州煤田奥灰水进行防治,根据已有地质资料、开采技术条件及补充勘探资料,对兖州煤田奥灰的水文地质条件尤其是富水性进行分析,并进行富水性分区,探讨该井田其富水性规律。

Observeing and researching the ordovician waterin Guo er-zhuang well;

郭二庄井田奥灰水的观测与研究

The Ordovician water has great effect on the mining of the lower coal measures in North China at present.

目前 ,奥灰水已对华北地区下组煤的开采构成严重威胁 ,文章以地震波各向异性理论为基础 ,通过具体实例 ,详细介绍了确定矿井突水通道的试验研究过程 ,为矿井水的有效防治提供了新的手段。

Analysis on no fault large Ordovician Karst water inrushoccurred in 27080 coal mining face of Caoyao East Mine;

曹窑东井27080工作面非断层大型奥灰突水分析

1 shaft minefield belongs to an area with structurally medium complexity,while the direct mine water filling sources are atmospheric precipitation,surface water,coal measures sandstone fissure water,gob water,structure water(through faults and subsided columns),indirect source is Ordovician limestone karstic water.

安家岭井工矿一号井田地质构造中等复杂区;矿床充水直接充水水源为大气降水和地表水、煤系砂岩裂隙水、老窑水、构造水(通过断层和陷落柱),间接充水水源为奥灰岩溶水。

Thoroughly analyzed Ordovician limestone karstic waterwater-bearing strata,recharging,runoff and discharging conditions,development and utilization status quo,and probed into vertical changing pattern of Ordovician limestone karstic wateras well.

根据铜川新区的地层、构造及水文地质特征,对其奥灰岩溶水的含水岩性,补给、径流、排泄条件,水质特征,富水性及开发利用现状作了深入分析,总结了该区奥灰岩溶水的垂向变化规律,为合理开发利用奥灰岩溶水提出建议。

Safety mining technology for coal mining under aquifer in Ordovician limestone;

巨厚奥灰含水层煤系基底的安全开采技术