采用钻杆联接器直接连接钻杆，在钻进工作时不需要在主动钻杆上再装卸其它钻具。
It USES drill rod connector to directly connect the drill rods, so that during the drilling work, it dose not require fixing or dismantling any of the other drilling tools on the Kelly.
方钻杆之后带动整个钻柱进行旋转，由于方钻杆是与钻柱的顶部用丝扣连接在一起的。
The kelly then turns the entire drillstring because it is screwed into the top of the drillstring itself.
用于连接转盘和方钻杆的适配器。
An adapter that serves to connect the rotary table to the kelly.
用于注水泥浆和释放胶塞的专门工具。ZS C型单塞水泥头可与钻杆连接。
Special tool for pumping slurry and releasing plug. The ZSC Single-Plug Cement Head can be connected with Drill pipe.
重点对其关键技术即接头处导线连接方式和管壁中导线的绝缘、密封可靠性进行分析研究，提出了开发有线钻杆传输系统的思路和建议。
Especially, the key techniques, i. e. lead connection at connector, lead insulation on pipe wall, and sealing reliability are analyzed and studied, and also the t...
材质耐磨，连接法兰和钻杆采用高碳钢精加工。
Wear-resistant materials, a connecting flange and a drill rod by high carbon steel finishing.
所述连接体为圆柱形且设有两个螺纹孔，所述钻杆末端安装在所述螺纹孔中。
The connecting body is cylindrical and provided with two threaded holes; the tail end of the drill pipe is arranged in the threaded holes.
该定向钻探系统包括一根构成能连续地和精确地在地面上钻孔并且无需周期地断开其连接的钻杆柱。
The guided drilling system includes a drill string configured to continuously and accurately bore a hole in the ground without the need to periodically break the connection of the drill string.
结果表明，采用TLP连接技术进行钻杆焊接，接头成形好，接头组织与母材相似并连续生长，接头强度、塑性均达到母材水平。
The results show that TLP bonding produces a good joint with microstructure and strengths similar to those of base metal.
结果表明，采用TLP连接技术进行钻杆焊接，接头成形好，接头组织与母材相似并连续生长，接头强度、塑性均达到母材水平。
The results show that TLP bonding produces a good joint with microstructure and strengths similar to those of base metal.
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