下向测压孔双聚防漏塞-水泥砂浆分时封孔工艺  

Double Poly Leakproof Plug of Downward Pressure-measuring Hole-Cement Mortar Timeshare Sealing Technique

作　　者：徐付国 宣德全 曹拓拓 项冬冬 

机构地区：[1]义马煤业集团股份有限公司生产处,河南义马427300 [2]义马煤业集团股份有限公司通风处,河南义马427300 [3]义马煤业集团股份有限公司新安煤矿,河南新安471821

出　　处：《煤矿安全》2014年第6期52-54,共3页Safety in Coal Mines

摘　　要：基于下向测压孔存在的钻孔施工时排渣、排水困难及封孔时难以保证封孔质量等实际问题,在传统方法基础上进行了改进,提出了加大钻孔深度、气举法排水和二次分时封孔的双聚防漏塞-水泥砂浆分时封孔工艺,并在现场进行了应用,取得了较好的效果。There were the practical problems that mud and fluid discharged hardly, and it was difficult to guarantee the quality of hole sealing with drilling construction when downward pressure - measuring hole existed. On the basis of tradition method, an improvement scheme was put forward that increasing the drilling depth, fluid discharge by gas - lift method, double poly leakproof plug of twice timeshare hole sealing - cement mortar timeshare sealing technique. Then the scheme was applied in site and had achieved good effects.

关 键 词：瓦斯压力测定 下向钻孔 二次分时封孔 封孔工艺 双聚防漏塞 水泥砂浆 

分 类 号：TD712.63[矿业工程—矿井通风与安全]