煤矿附近村庄地表瓦斯泄露来源及原因分析
|
摘要
某村庄地面出现瓦斯泄露现象,由于该村庄附近有生产煤矿,地表泄露的瓦斯有来自于开采煤层的可能性,为确认瓦斯来源,分析瓦斯泄漏原因以便采取有效措施,进行了地面泄漏气体与井下采空区瓦斯气体相关性取样实验及煤矿开采对地下水影响的分析,结果表明:地面泄漏瓦斯来源不是附近煤矿井下煤层瓦斯,但由于煤矿常年开采及该矿修建南风井时大量浅层水被疏排,导致了该区域水位下降,致使浅层瓦斯气体泄漏到地面。可为类似条件地表瓦斯泄漏原因分析提供参考。
Gas leakage appeared on the surface of a village. Due to production coal mines are near the village,it is possible that the gas comes from the mining coal seam. In order to confirm the gas source,analyze the causes of gas leakage,so as to take effective measures,sampling experiment of correlation between surface leakage gas and underground goaf gas and analysis of influence of coal mining on groundwater are carried out. The results show that the source of surface leakage gas is not coal seam gas of coal mine. However,due to the perennial mining of the coal mine and the drainage of a large number of shallow water during the construction of the south air shaft in the mine,the water level in the region has been lowered,resulting in the leakage of shallow gas to the ground. It can provide reference for the cause analysis of surface gas leakage under similar conditions.
Gas leakage appeared on the surface of a village. Due to production coal mines are near the village,it is possible that the gas comes from the mining coal seam. In order to confirm the gas source,analyze the causes of gas leakage,so as to take effective measures,sampling experiment of correlation between surface leakage gas and underground goaf gas and analysis of influence of coal mining on groundwater are carried out. The results show that the source of surface leakage gas is not coal seam gas of coal mine. However,due to the perennial mining of the coal mine and the drainage of a large number of shallow water during the construction of the south air shaft in the mine,the water level in the region has been lowered,resulting in the leakage of shallow gas to the ground. It can provide reference for the cause analysis of surface gas leakage under similar conditions.
引文
[1]李霞,曾凡桂,王威,等.低中煤级煤结构演化的拉曼光谱表征[J].煤炭学报,2016,41(9):2298-2304.
[2]孙平.煤层气成藏条件与成藏过程分析[D].成都:成都理工大学,2007.
[3]陈义林.基于精细解吸过程的无烟煤重烃浓度异常及其成因探讨[D].徐州:中国矿业大学,2014.
[4]孟召平,张纪星,刘贺,等.煤层甲烷碳同位素与含气性关系[J].煤炭学报,2014,39(8):1683-1690.
[5]刘文汇,徐永昌.天然气成因类型及判别标志[J].沉积学报,1996,14(1):110-116.
[6]李清光,琚宜文,谭锋奇,等.生物成因煤层气生成途径与判别标志及产气实验进展[A]//2014年中国地球科学联合学术年会———专题57:盆地动力学与非常规能源论文集[C]. 2014.
[7]张亚明,赵明鹏,周立岱.鸡西盆地煤层气资源赋存规律研究[J].辽宁工程技术大学学报,2003(1):44-46.
[8]蔡益栋,刘大锰,姚艳斌,等.鸡西盆地煤层气控气地质特征及有利区分布[J].吉林大学学报(地球科学版),2014,44(6):1779-1788.
[9]侯聪超.煤炭开采对地下水环境影响评价研究[D].哈尔滨:黑龙江大学,2018.
[10]国家安全监管总局,国家煤矿安监局,国家能源局,等.建筑物、水体、铁路及主要井巷煤柱留设与压煤开采规范[M].煤炭工业出版社,2017.
[11]胡炳南,张华兴,申宝宏.建筑物、水体、铁路及主要井巷煤柱留设与压煤开采指南[M].北京:煤炭工业出版社,2017.
[2]孙平.煤层气成藏条件与成藏过程分析[D].成都:成都理工大学,2007.
[3]陈义林.基于精细解吸过程的无烟煤重烃浓度异常及其成因探讨[D].徐州:中国矿业大学,2014.
[4]孟召平,张纪星,刘贺,等.煤层甲烷碳同位素与含气性关系[J].煤炭学报,2014,39(8):1683-1690.
[5]刘文汇,徐永昌.天然气成因类型及判别标志[J].沉积学报,1996,14(1):110-116.
[6]李清光,琚宜文,谭锋奇,等.生物成因煤层气生成途径与判别标志及产气实验进展[A]//2014年中国地球科学联合学术年会———专题57:盆地动力学与非常规能源论文集[C]. 2014.
[7]张亚明,赵明鹏,周立岱.鸡西盆地煤层气资源赋存规律研究[J].辽宁工程技术大学学报,2003(1):44-46.
[8]蔡益栋,刘大锰,姚艳斌,等.鸡西盆地煤层气控气地质特征及有利区分布[J].吉林大学学报(地球科学版),2014,44(6):1779-1788.
[9]侯聪超.煤炭开采对地下水环境影响评价研究[D].哈尔滨:黑龙江大学,2018.
[10]国家安全监管总局,国家煤矿安监局,国家能源局,等.建筑物、水体、铁路及主要井巷煤柱留设与压煤开采规范[M].煤炭工业出版社,2017.
[11]胡炳南,张华兴,申宝宏.建筑物、水体、铁路及主要井巷煤柱留设与压煤开采指南[M].北京:煤炭工业出版社,2017.