查询词典 drill pipe

It has to be tall because it is like a giant block and tackle ,and we have to lower into the ground and haul out of the ground great lengths of drill pipe which are roated bu an engine at the top and are fitted with a cutting bit at the bottom.

井架必须很高，因为它像个巨型滑轮组。我们必须把很长的钻杆一节节地钻入地下，然后再从地下拉出来。钻杆顶部安装的发动机带动钻杆旋转，它的底部装有钻头。

On the basis of that,the structure and function of a new Russian drill pipe flaw detector with electricity bow wave are introduced.

概述钻杆柱疲劳裂纹检测的意义和在电涡流传感器原理的基础上，介绍了俄罗斯专家开发的新型电涡流式钻柱无损探伤仪的组成结构，功能。

For oil drilling, oil and gas wells in the circulation rotary drilling mud to increase agent, cooling the bit, cutting away material from the debris, lubricating the drill pipe, closed hole wall, oil and gas pressure control to prevent the oil from the spray.

用于石油钻探，油气井旋转钻探中的环流泥浆加重剂，冷却钻头，带走切削下来的碎屑物，润滑钻杆，封闭孔壁，控制油气压力，防止油井自喷。

And we have to lower into the ground and haul out of the ground great lengths of drill pipe which are rotated by an engine at the top and are fitted with a cutting bit at the bottom.

我们必须把很长的钻杆一节节地钻入地下，然后再从地下拉出来。钻杆顶部安装的发动机带动钻杆旋转，它的底部装有钻头。

No longer need or use a similar double root consisting of three drill pipe drilling means root, it can reduce the derrick height, the weight of the base can be reduced.

不再需要采用类似双根或三根钻杆构成的立根钻井方式，因此井架高度可以减小，底座的重量可以减轻。

This paper is a part of research on a development drill pipe power tongs in well .

该方法对提高油井钻杆动力钳的设计效率和设计水平具有重要意义。

The right thing to do now is to bent a drill pipe.

现在要做的事是拉弯一根钻杆。

And we control it by means of the mud which we circulate down the drill pipe.

我们采用的控制方法是让泥浆顺着钻杆向下循环。

The drill pipe that was broken has been found.

断了的钻杆被找到了。

The performances and microstructures of 26CrMoNbTiB drill pipe were measured at the different condition of heat treatment.

在不同的热处理条件下，测定了26CrMoNbTiB钻杆管的性能和组织。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。