The advantages of gas drilling are: high drilling efficiency, effectively controlling formation damage, preventing from lost circulation and adhesive drill pipe sticking.
气体钻井的优点有：钻井效率高、有效保护油气层、防止井漏和黏附卡钻。
Lay down this bent drill pipe.
甩掉这根弯钻杆。
We must have this drill pipe shortened.
我们必须把这根钻杆截短。
This is the dope for drill pipe thread.
这是钻杆丝扣油，不能用在钻铤丝扣上。
What is the drill pipe string weight in air?
钻杆在空气中的重量是多少？
Record all the drill pipe and casing pressure;
记录钻杆压和套压；
If the drill pipe threads become rusty, rust will have to be cleaned.
如果钻杆丝扣生锈，必须清除掉。
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。
Longitudinal crack of drill pipe box joint is brittle fracture at low stress.
钻杆接头的各种纵向开裂属于低应力脆性断裂。
My company can produce all kinds of odd and even series of core drill pipe and rope.
我公司可以生产各种规格系列的单双管及绳索取芯钻具。
Before drill pipe wipes are installed, a tie-back rubber can be used to wipe the pipe.
在装钻杆刮泥器之前，可以先用简易的刮泥器刮钻杆上的泥浆。
The results show that the fatigue damage of drill pipe in well head is the most serious.
算例分析表明：钻杆在井口处的单次疲劳损伤最大；
The longer the single drill pipe, the lesser the critical compressive force of drill stem.
钻杆的单根长度越长，钻柱所能承受的临界载荷越小。
The affecting factors and degrees on the bending of coiled tubing drill pipe are analyzed.
分析了连续管钻杆弯曲状态的各种影响因素及影响程度。
And returns to the surface in the space between the drill pipe and the wall of the borehole.
然后通过钻杆和钻孔壁之间的间隙返回至地表。
It is significant for adjusting drill pipe sequence to improve average life of drill string.
该研究结果对于现场提高钻柱的平均使用寿命具有重要的工程理论指导意义。
This technology controls welding parameter exactly, and improves welding quality for drill pipe.
使用该技术，能及时、准确掌握焊接参数，提高钻杆焊接质量。
In drilling engineering, drill pipe often sticks in salt formation because of wellbore shrinkage.
在钻井工程中，盐岩层井眼易发生缩径卡钻。
Thread form and the length of drill pipe can be manufactured in accordance with user requirements.
钻杆螺纹形式及长度可根据用户要求制造。
Among oil well drilling equipment and tooling, the high - strength drill pipe plays a very critical role.
高强度石油钻杆在钻井设备和工具中占有十分重要的地位。
The intelligent drill pipe samples whose internal pipes expanded successfully have the excellent insulation.
经内管膨胀贴合成功的智能钻杆样件的绝缘性能良好。
Its upper end is drill pipe box or union, the nether end is casing pin. It is a crossover with hollow inside.
它是个上端为钻杆母扣或者由壬，下端为套管公扣，内空心的转换接头。
This paper introduces feature and material characteristic of aluminum drill pipe and analyzes its application.
介绍了铝合金钻杆的结构特点和材料特性，分析了其适用范围。
The rotary and carriage assembly is adapted to apply rotational, thrust and pull-back forces to the drill pipe.
旋转和机架组件用于向钻杆施加旋转、推进和回拉力。
We can provide various types of drill pipe joints as customer's demand. All mechanical properties are beyond API standard.
我公司可按用户的要求提供各种型号的钻杆接头。各项力学性能均完全超过API标准要求。
Power Tongs and Torque Turns Load Cells: Designed for use in power tongs or drill pipe make-up and break-out applications.
动力钳和自动旋紧管箍机的载荷压力传感器：设计用在动力钳或钻杆的组装和拆卸应用中。
Power Tongs and Torque Turns Load Cells: Designed for use in power tongs or drill pipe make-up and break-out applications.
动力钳和自动旋紧管箍机的载荷压力传感器：设计用在动力钳或钻杆的组装和拆卸应用中。
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