巴彦高勒煤矿多相变沉积条件下煤层顶板含水层富水性特征
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摘要
在区域水文地质条件研究基础上,结合水文地质补充勘探及以往勘探成果进一步研究矿区、矿井及首采区地质条件,着重研究矿井直接充水含水层延安组和直罗组地层的沉积条件、沉积环境、孔隙度、渗透率、顶板水化学特征、覆岩结构特征,评价巴彦高勒矿井多相变沉积条件下顶板含水层富水性特征。结果表明:含水层砂体呈条带状分布,富水性受沉积环境影响分布不均,水量以静储量为主,动态补给有限。研究成果为巴彦高勒矿区顶板水疏放、导水裂缝带发育特征研究等提供依据。
Based on the study of regional hydrogeological conditions, combined with hydrogeological supplementary exploration and previous exploration results, the geological conditions of mining area, mine and first mining area are further studied, with emphasis on the sedimentary conditions, sedimentary environment, porosity permeability, roof hydrochemical characteristics of Yan'an Formation and Zhiluo Formation which are directly water-filling aquifers in the mine. The characteristics of overburden structure and water enrichment characteristics of roof aquifer under multi-facie sedimentary conditions in Bayangaole mine are evaluated. The results show that the aquiferous sandstone is distributed in bands, and the water abundance of aquifer is uneven due to the influence of sedimentary environment, mainly with static groundwater storage and limited dynamic storage. The results provide basic basis for roof water drainage and development characteristics of water-conducting fractured zone.
Based on the study of regional hydrogeological conditions, combined with hydrogeological supplementary exploration and previous exploration results, the geological conditions of mining area, mine and first mining area are further studied, with emphasis on the sedimentary conditions, sedimentary environment, porosity permeability, roof hydrochemical characteristics of Yan'an Formation and Zhiluo Formation which are directly water-filling aquifers in the mine. The characteristics of overburden structure and water enrichment characteristics of roof aquifer under multi-facie sedimentary conditions in Bayangaole mine are evaluated. The results show that the aquiferous sandstone is distributed in bands, and the water abundance of aquifer is uneven due to the influence of sedimentary environment, mainly with static groundwater storage and limited dynamic storage. The results provide basic basis for roof water drainage and development characteristics of water-conducting fractured zone.
引文
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[13]李洋，王金平，魏启明.瞬变电磁法在井下工作面顶板导水裂缝探测中的应用[J].煤田地质与勘探，2018,46(增刊1):66–71.LI Yang,WANG Jinping,WEI Qiming. Application of transient electromagnetic method in detecting water conducting cracks on roof of underground working face[J]. Coal Geology&Exploration,2018,46(S1):66–71.
[2]方刚，蔡玥.基于沉积控水分析的巴拉素井田富水性分区研究[J].干旱区资源与环境，2019,33(3):105–111.FANG Gang,CAI Yue. Study on water yield property zoning in Balasu well field based on sedimentary water control analysis[J].Journal of Arid Land Resources and Environment,2019,33(3):105–111.
[3]赵俊峰，刘池洋，喻林，等．鄂尔多斯盆地侏罗系直罗组砂岩发育特征[J]．沉积学报，2007,25(4):535–544.ZHAO Junfeng,LIU Chiyang,YU Lin,et al. Distributional and sedimentary characteristics of sandstones in Jurassic Zhiluo Formation,Ordos basin[J]. Acta Sedimentologica Sinica,2007,25(4):535–544.
[4]李哲，陈嘉思，宫厚健，等.煤层直接顶板弱富水性含水层涌(突)水危险性评价[J].煤矿安全，2018,49(7):181–184.LI Zhe,CHEN Jiasi,GONG Houjian,et al. Risk evaluation of water inrush in poor water yield capacity aquifer of coal seam direct roof[J]. Safety in Coal Mines,2018,49(7):181–184.
[5]黄浩.基于沉积分析的顶板疏放水技术研究[J].西部探矿工程，2018,30(8):117–119.Huang Hao. Study on roof drainage technology based on sedimentation analysis[J]. West-China Exploration Engineering,2018,30(8):117–119.
[6]冯书顺，李飞飞，张小明.基于不同无量纲化方法的煤层顶板含水层富水性研究[J].煤炭技术，2016,35(5):221–222.FENG Shushun,LI Feifei,ZHANG Xiaoming. Study on water richness of coal seam roof aquifer based on different dimensionless methods[J]. Coal Technology,2016,35(5):221–222.
[7]冯书顺.多源地学信息融合的煤层顶板含水层富水性评价[J].煤炭与化工，2016,39(6):9–11.FENG Shushun. Water-rich evaluation of coal seam roof aquifer based on multi-source geoscience information fusion[J]. Coal and Chemical Industry,2016,39(6):9–11.
[8]陈敏涛，潘盛泽，袁代江.基于模糊综合评判法的煤层顶板灰岩含水层富水性评价[J].资源环境与工程，2016,30(4):608–611.CHEN Mintao,PAN Shengze,YUAN Daijiang. Evaluation of water richness of coal seam roof limestone aquifer based on fuzzy comprehensive evaluation method[J]. Resources,Environment and Engineering,2016,30(4):608–611.
[9]王厚柱，胡雄武，舒玉峰.煤层顶板岩层富水性探测技术应用[J].陕西煤炭，2010,29(2):70–72.WANG Houzhu,HU Xiongwu,SHU Yufeng. Application of water-rich detection technology in roof strata of coal seam[J].Shaanxi Coal,2010,29(2):70–72.
[10]崔雪丽，李文平.综采顶板砂岩富水性多元信息预测评价[J].煤田地质与勘探，2015,43(1):43–47.CUI Xueli,LI Wenping. Prediction and evaluation of water-rich multivariate information of fully mechanized roof sandstone[J].Coal Geology&Exploration,2015,43(1):43–47
[11]邸春生，丁湘，黄浩.深埋侏罗系煤层顶板水探放技术实践：以呼吉尔特矿区葫芦素矿井为例[J].煤田地质与勘探，2016,44(6):96–100.DI Chunsheng,DING Xiang,HUANG Hao. Practice of roof water exploration and drainage technology in deep-buried Jurassic coal seam:Take the Hulusu mine in Hujit mining area as an example[J]. Coal Geology&Exploration,2016,44(6):96–100.
[12]石守桥，魏久传，尹会永，等.济三煤矿煤层顶板砂岩含水层富水性预测[J].煤田地质与勘探，2017,45(5):100–104.SHI Shouqiao,WEI Jiuchuan,YIN Huiyong,et al. Water-rich prediction of sandstone aquifer on coal seam roof in Jisan coal mine[J]. Coal Geology&Exploration,2017,45(5):100–104.
[13]李洋，王金平，魏启明.瞬变电磁法在井下工作面顶板导水裂缝探测中的应用[J].煤田地质与勘探，2018,46(增刊1):66–71.LI Yang,WANG Jinping,WEI Qiming. Application of transient electromagnetic method in detecting water conducting cracks on roof of underground working face[J]. Coal Geology&Exploration,2018,46(S1):66–71.
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