Main parts such as crownblock, mast, substructure, rotary table and travelling systemofdrilling rig meet API standard.
钻机天车、井架、底座、转盘及游动系统等主要配套件符合API规范。
2
The expressions of energy transformation for disc brake systemofdrilling rigs are derived on the basis of the principle of energy conservation.
根据能量守恒原理又推导了钻机盘式刹车系统的能量转换表达式。
3
In this paper, a monitoring systemofdrilling process by using a McS-51 single chip computer is described, and the working principle, hardware and software are given.