三元煤业3煤层四采区本煤层钻孔瓦斯抽采半径考察  

Investigation on the Gas Extraction Radius of Drilling in the Fourth Mining Area of the 3#Coal Seam of Sanyuan Coal Industry

作　　者：刘兵 韩俊丰 郝志祥 Liu Bing;Han Junfeng;Hao Zhixiang(Shanxi Sanyuan Coal Industry Co.,Ltd.,Shanxi,046000;State Key Laboratory of Coal Mine Safety Technology of China Coal Science and Engineering Group Shenyang Research Institute Co.,Ltd.,Liaoning,113122)

机构地区：[1]山西三元煤业股份有限公司,山西046000 [2]中煤科工集团沈阳研究院有限公司煤矿安全技术国家重点实验室,辽宁113122

出　　处：《当代化工研究》2024年第23期124-126,共3页Modern Chemical Research

摘　　要：为了精确考察本煤层钻孔瓦斯抽采半径,为三元煤业3#煤层四采区本煤层钻孔设计提供可靠依据,基于三元煤业4316工作面这一地质背景,通过分析瓦斯赋存规律,进而确定了钻孔布置参数,利用流量法进行了抽采半径考察。考察结果确定普通本煤层钻孔3 m半径的抽采达标时间为80 d,通过考察发现,这一研究成果对于在类似条件巷道中开展作业时的钻孔施工参数设定和预抽时间选取有着特定的指导价值,能够为煤层安全且高效地开采创造有利条件。In order to accurately investigate the gas extraction radius of this coal seam drilling and provide reliable basis for the drilling design of this coal seam in the fourth mining area of the 3#coal seam of Sanyuan Coal Industry,based on the geological background of the 4316 working face of Sanyuan Coal Industry,the gas occurrence law was analyzed,and the drilling layout parameters were determined.The flow method was used to investigate the extraction radius.The investigation results determined that the standard extraction time for ordinary coal seam drilling with a radius of 3 m is 80 days.Through investigation,it was found that this research result has specific guiding value for the setting of drilling construction parameters and the selection of pre extraction time when carrying out operations in tunnels with similar conditions,and can create favorable conditions for safe and efficient mining of coal seams.

关 键 词：抽采半径 抽采达标 流量法 

分 类 号：TD75[矿业工程—矿井通风与安全]