钻杆

Ensure that the correct grade of pipe is being picked up.

确认吊起的钻杆级别是正确的。

Tool joints of our company are made of modified alloy steel, then fully heat treated. So the mechanical properties in accordance with API specifications, such as strength, hardness and impact strength are gaged to standard.

我公司生产的钻杆对焊接头严格按照 API 标准选用优质合金结构钢制造，通过特殊的热处理工艺达到预期的硬度、强度及韧性。

Sulphurized-nitrided compound layer is prepared on the surface of drilling pipe joint material 35CrMo steel by the application of ion nitriding and ion sulfurizing technology.

应用离子渗氮与离子渗硫技术，在钻杆接头材料35CrMo钢表面制备了硫氮复合处理层。采用M-200环块磨损试验机，对比研究了原始渗氮表面与硫氮复合表面在干摩擦条件下的抗磨损性能。

Sulphurized-nitrided compound layer is prepared on the surface of drilling pipe joint material 35CrMo steel by the application of ion nitriding and ion sulfurizing technology.

中文摘要：应用离子渗氮与离子渗硫技术，在钻杆接头材料35CrMo钢表面制备了硫氮复合处理层。

The article analyzes the technic factors that restrict the development of telemetering of well-drilling.

分析了制约钻井遥测发展的技术原因，结合电磁理论和钻井设备本身的特点，提出在钻井遥测系统中以钻杆为天线的工程技术，然后从多方分析了该技术的可行性和实用性，并在试验中得以证实

The techniques about side-entry sub leave casing shoe logging,h igh deviation hole condition wet connectors contact,to prevent wet connectors blockage in long open-hole well,to prevent wet connector unlatching in logging,w ire-line safe protection,c ase pipe conveyed logging in minor size casing are explained in details.A large number of logging results to proved all improvement are success,pipe conveyed logging important operation method is expounded.

详细叙述了改进的旁通出套管鞋测井作业安全防护技术；大斜度状态下湿接头对接技术；防止长裸眼条件下湿接头堵塞技术；防止测井中湿接头松脱技术；测井电缆安全保护技术；小井眼固井质量水平井测井工艺技术，用大量的实际测井效果证明了以上改进技术的可行性，简述钻杆传输测井作业中重点方法。

Air drilling ; drill pipe ; fatigue fracture ; vibration load

空气钻井；钻杆；疲劳断裂；震动载荷

When the guide hole drilling is completed, unloaded oriented bit, to accommodate tube launchers and connect with reverse bore bit and rotary joint, Then after the rotary joint drill pipe connected to Rafah, to Reamer drilling.

当导向孔钻进完成后，卸下导向钻头、发射器容纳管，接上反向扩孔钻头和旋转接头，然后在旋转接头后接上回拉钻杆，进行回拉扩孔钻进。

In the process of drilling,the slurry which is poured into from the boring bar can carry rock fragments from shaft bottom.

在钻井过程中，泥浆从钻杆注入井底，携带岩屑，在钻井完成后，总会产生一部分过剩的或者废弃的泥浆。

The breakout tong is placed on the top tool joint and the makeup tong is placed on the bottom tool joint.

钻工在钻杆或管子接头上上打上大钳（内钳打在上方接头上，外钳打在下方接头上）。

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。