摘要
该文介绍了山东富安煤炭有限公司在井下斜巷过砾岩过程中,砾岩层内偏孔、塌孔的处理,注浆套管封闭方法的应用,提高了套管封闭次数和质量,缩短套管封闭工期。
That paper introduces Coal Co. , Ltd. Shandong, Chevalier had gravel in the pit Inclined process, the conglomerate layer closure of the casing grouting application of the method to improve the number and quality of the casing closed, shorten duration of the casing closed.
出处
《山东煤炭科技》
2011年第6期60-61,共2页
Shandong Coal Science and Technology
关键词
注浆套管
封闭
质量
grouting casing seal quality
