摘要
阐述了难钻进地层用新型金刚石钻头的结构、制造特点,射流式钻具的原理、类型,以及防塌型稀释剂的作用机理。
The structure and manufacture of new type of bits, working principle and types of fluidic drilling tools, action mechanism of anti-cave-in thinners, for difficult formation drilling were discussed.
出处
《探矿工程(岩土钻掘工程)》
2005年第11期41-43,共3页
Exploration Engineering:Rock & Soil Drilling and Tunneling
基金
国土资源部"难钻进地层用新型钻头
钻具及泥浆的研究与开发"项目(20050058)
关键词
难钻进地层
新型钻头
射流式钻具
防塌型稀释剂
difficult drilling formation
new type of bits
fluidic drilling tool
anti-cave-in thinner