便携式全液压钻机在会东县大倾角地层的施工运用与技术探讨  

The Application of Portable Full Hydraulic Drill Rig to the Drilling High Dip Formation in the Huidong Region

作　　者：刘鹏 LIU Peng(The 280th Institute,CNNC,Guanghan,Sichuan618300)

机构地区：[1]核工业二八0研究所,四川广汉618300

出　　处：《四川地质学报》2022年第S01期36-40,共5页Acta Geologica Sichuan

摘　　要：会东县属于山区,地层多变、倾角大,构造发育。核工业二八0所(以下简称“二八〇所”)2021年在该地区施工钻探工作量1000余米,设计钻孔3个,均为45°斜孔。结合地层特点、地质设计及设备情况,二八〇所投入一台套EP1000型便携式全液压钻机进行施工。为解决在施工中出现的钻孔漏失严重、地层破碎和掉块等状况,从钻机安装、施工工艺选择、钻孔结构设计、钻井液配比和钻进参数选取等方面出发,采用了随钻堵漏、水泥浆封孔堵漏、顶漏钻进等事故处理措施,最终顺利完成了钻探施工。通过对本年度在该地区施工中出现的问题进行分析和探讨,总结大倾角地层的施工经验,为后续在同类型地层的施工提供了相应的资料和技术参考。The Huidong region is characterized by fractured and high dip formation and structure developed.Three inclined holes with an inclined angle of 45°and a total footage of 1000 meters were constructed in the Huidong region by the 280th Institute in 2001.A set of EP1000 portable full hydraulic drilling rig for construction was used.The measures of plugging while drilling,cement slurry sealing hole plugging and top leakage drilling were adopted in order to solve the serious leakage of drilling fluid and the drilling operation was successfully completed.

关 键 词：便携式全液压钻机 大倾角地层 45°斜孔 顶漏钻进 

分 类 号：P634.5[天文地球—地质矿产勘探]