摘要
通过对钻孔偏斜原因的分析,介绍了磁铁矿区钻孔测量偏斜的基本方法,总结出预防钻孔偏斜的措施,以及在钻孔产生偏斜的状态下应采取的正确方法。
The reasons for declination of drillhole are analyzed. The basic methods for measuring declination of drillhole in magnetite zone, the measures to be taken for preventing declination and the methods to correct declination are discussed.
出处
《矿业工程》
CAS
2009年第2期65-67,共3页
Mining Engineering
关键词
钻孔偏斜
轴线
方位角
测斜仪
declination of drillhole
axial line
azimuth angle
declination measuring meter
