1) retractable bit technology
不提钻换钻头技术
2) integrally retractable alternative cutting element bit
整体不提钻换钻头
3) bit stabilization techniques
钻头稳定技术
4) bit change
换钻头
5) drilling technology
钻井技术
1.
Countermeasures of improving drilling technology economic indicator for deep wells in western Sichuan;
提高川西深井钻井技术经济指标对策研究
2.
Application and development of horizontal well drilling technology in Jianghan Oilfield;
江汉油田水平井钻井技术的应用与发展
6) drilling technique
钻探技术
1.
It discussed karst growth rule in Zhengzhou,destroy depth disturb mining,slip-casting and the problem of drilling technique.
分别讨论了郑州矿区喀斯特发育规律、采矿扰动破坏深度、注浆技术和钻探技术问题,提出郑州矿区水害治理对策。
2.
The wirelinecore drilling technique can be utilized to achieve such technical and economical effect as top quality,high efficien-cy and low consurnption when geological exploration holes go more and more deep,coring becomes more andmore difficult and the drilling site is more and more remote.
绳索取心技术是一种先进的多功能的钻进方法，在地质勘探钻孔愈来愈深、取心难度愈来愈大、施工地点愈来愈偏僻的情况下，采用绳索取心钻探技术可以取得优质、高效、低耗的技术经济效果。
3.
The present situation of international drilling market and the development of solid mineral drilling techniques are sized up.
分析了国际钻探市场现状以及固体矿产钻探技术的进展，归纳总结了近１０年来我国固体矿产钻探技术的主要进展。
补充资料：冻土钻(见取土钻)
冻土钻(见取土钻)
dongtuzuan冻土钻见取土钻
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条