陇东煤田适岩钻头的研究与应用  

Research and application of suit rock drill bit in Longdong coal regions

作　　者：潘小志[1] 

机构地区：[1]福建省121地质大队,福建龙岩364021

出　　处：《企业技术开发》2014年第6期53-55,共3页Technological Development of Enterprise

摘　　要：文章简述了陇东煤田地区地层特点,介绍了不同类型的刮刀和取心钻头,重点阐述了取心钻头的改进措施,通过现场试验,优选出了陇东煤田的适岩钻头。In this paper, formation characteristics of Longdong coal regions are described, different types of blade and core bit are introduced,improvement measures of the core bit are expounded, and suit rock drill bits in Longdong coal regions are optimized by experiment on the spot.

关 键 词：适岩钻头 刮刀钻头 取心钻头 绳索取心钻探 陇东煤田 

分 类 号：P643.41[天文地球—地质矿产勘探]