冻结孔项目技术要点分析  

Technical Points on Frozen Boring Project

作　　者：张建琰 Zhang Jianyan(Jiangsu Coal Geology Bureau,Nanjing,Jiangsu 210046)

机构地区：[1]江苏煤炭地质局

出　　处：《江西煤炭科技》2019年第4期172-173,176,共3页Jiangxi Coal Science & Technology

摘　　要：通过对综合设备、钻具、泥浆性能、压力等因素的研究,分析了冻结孔技术要点,认为通过选取合适的设备及钻具,使用科学的泥浆配比,机班长熟练的操作,配合高精度的测斜仪器,可以满足高质量冻结钻孔或其他同类型钻孔的施工要求。On basis of the study on comprehensive equipment,drilling tools,mud properties and pressure,the frozen boring technical points are presented,including reasonable selection of equipment and drilling tools,scientific mud proportion,skilled operation and high-precision clinometer,which can meet the construction demands of high-quality frozen boring and other similar drilling.

关 键 词：冻结造孔 测斜点位 真方位 假方位 

分 类 号：TD265.3[矿业工程—矿井建设]