油管

A automatic paint-spraying and drying table for tubings ls designed so as to replace the manual painting.

为了消除油管手工刷漆效率低及漆层难以干燥的缺点，开发设计了油管自动喷漆干燥晾床。

The computer-aided system for measuring the apparent heat conductivity of insulated tubings is used to evaluate theinsulating property of insulated tubings.

隔热油管视导热系数计算机检测系统用于评价隔热油管的隔热性能。

The process and the features and the main reasons of the improper fatigue fracture of tubing are found, through the macroscopic and the microscopic observation on the tubings fractured face, and stress analysis in the root of tubing thread, that is, tightening up or loosening screw with heavy torque for many times and thread size not accurating to API standard make thread root of dangerous section high stress level.

本文通过对油管断口的宏观和微观形貌的深入观察与分析，获得了有关断裂失效发生和进程方面的各个信息，全面掌握了油管疲劳断裂的征象。

In operation, the downhole devices will be laid down with tubings which will move up and down using the operation machine. Since the injection head can rotate in the determined speed, the rotating flow, compared with the conventional stable axial flow, can prevent the sands from depositing in the horizontal annular and washing the screen. The jet from high-efficiency jet nozzle will wash the screen directly with concentrated hydro-power. The working fluid can be clean water, without damage to the formation.

作业时用油管下入该井下装置，利用作业机带动油管上下移动，由于喷头可按照既定速度旋转，返回流体在水平段由常规的平稳轴向流动变为旋转流动，既可实现对防砂管的全方位解堵，又能避免砂粒沉积；高效喷嘴产生的射流直接对着防砂管冲击，能量集中；工作介质为清水，不会对地层带来二次污染。

In operation, the downhole devices will be laid down with tubings which will move up and down using the operation machine. Since the injection head can rotate in the determined speed, the rotating flow, compared with the conventional stable axial flow, can prevent the sands from depositing in the horizontal annular and washing the screen. The jet form high-efficiency jet nozzle will wash the screen directly with concentrated hydro-power. The working fluid can be clean water, without damage to the formation.

作业时用油管下入该井下装置，利用作业机带动油管上下移动，由于喷头可按照既定速度旋转，返回流体在水平段由常规的平稳轴向流动变为旋转流动，既可实现对防砂管的全方位解堵，又能避免砂粒沉积；高效喷嘴产生的射流直接对着防砂管冲击，能量集中；工作介质为清水，不会对地层带来二次污染。

The application of through-tubing perfora- ting technology in gas well completion and stim- ulation and the problem on the plugged per- forated toles are discussed in this paper,Tte aspect of through-tubing perforating in gas well of Southern Sichuan in 1981 is preeented briefly, and some ideas about prospective of applying this technology in Sichuan gas fields are stated as well.

本文探讨过油管射孔在气井完井和增产中的应用，以及射孔孔眼堵塞问题。文章扼要介绍了1981年在川南气井中应用过油管射孔的情况，并对在四川气田应用该技术的前景，提出了几点意见。

A kind of heating technology of directly heating crude oil in the oil tube by the oil tube and bushing is developed.

提出了一种利用油管和套管作为发热体直接加热油管内原油的方法。

Electric power is output to the oil tube,which is connected with the bushing by the oil bushing connecter on the bottom of the oil tube,via a 3-phase transformer after AC-DC-AC inverse circuit .

电能由三相配电变压器经AC DC AC 逆变电路输出传送到油管，经油管下部的油套管接触器连接到套管，形成一个完整的回路。

This article presents an operating process of running and pulling oil tube with dumbbell coupling by single elevator.

论述了使用一种带有&哑铃型&接箍的油管进行单吊卡起下油管的作业工艺。

With the wildly use of casing in Petroleum Industry, how to improving the life and anti-galling ability of oil tube is more and more paid attention to .

随着油管在石油工业中的大量应用，如何提高油管寿命和抗粘扣性能越来越受到人们的重视。

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。