摘要
吉林省地矿局通过抓好探矿装备的配套,加强生产与技术的管理和坚定不移地依靠技术进步,钻探生产水平大幅度地提高,取得了明显的技术经济效益。
The technique on the drilling production has been enhanced greatly and gained the tangible economic benefits by forming a complete set of equipments of drilling rig, intensifying the management of production and technique, and using the advanced technology in the Bureau of Geology & Mineral Resources of Jilin Province
出处
《吉林地质》
1991年第3期79-83,共5页
Jilin Geology
关键词
钻探
金刚石
地质勘探
Polytechnic drilling of diamond Technique 'through the complex layer with high speed' Atomization drilling with central sampling by air anti-circulation