查询词典 drill pipe

ABSTRACT Drilling time will be lasted and lateral force on casing exerted by drill pipe will increase in case of drilling deep well, ultrad...

在深井、超深井、大斜度井、大位移井及水平井中，钻井时间延长、钻柱作用在套管上的侧向力增高，因此套管和钻柱的摩擦与磨损问题越来越突出。

During deep ＆ ultra-deep well exploration process, with.drilling time being longer, the bigger inside force of drill pipe to case, the casing wear problem becomes more serious.

在深井超深井勘探过程中，由于径向力、涡动、横向振动等因素的存在，随着钻井时间的增长，钻柱作用于套管内壁的侧向力增大，导致套管磨损的问题越来越严重。

Power slip is a tool used to clamp drill pipe or well tube on turntable for oil drilling at the mouth of the well.

动力卡瓦是油田钻井中用来把钻杆或套管夹紧在转盘上的井口工具。

Make a mark for sticking point on the drill pipe.

在钻杆上作卡点记号。在钻杆上作卡点记号了吗？

Make a mark for sticking point on the drill pipe.

在钻杆上作卡点记号。

S135 drill pipe steel ; oxygen corrosion ; mechanism ; influence factor

S135钻杆钢；钻井液；氧腐蚀；机理；影响因素

The influence of different post weld heat treatment conditions on the microstructures and mechanical properties of friction welded joints between drill pipe DZ60 steel and its tie-in 40Cr steel has been discussed.

摘 要：首次采用摩擦焊接工艺对地质勘探用钻杆的管体与接头进行了焊接试验，探讨了不同的热处理工艺条件对DZ60钢钻杆管体与40Cr钢接头摩擦焊接头组织与性能的影响，并与采用热墩粗工艺生产的钻杆管体组织与性能进行了对比。

The drill pipe transmits rotation, vertical movement and drilling fluid to the bit.

钻杆将旋转运动、垂直运动和钻井流体传递到钻头。

The basic principle and the method of oil drill pipe end upsetting process were presented.

介绍了石油钻杆端部镦锻加厚工艺基本原理及加厚方式。

The article still analysed surplus of time-speed-distance curve of drill pipe pressure, overflow concept and have the effect taking draw water during getting.

本文还分析了钻杆压力时间曲线、溢流余量概念及起钻期间的抽汲效应。

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。