泵杆

Along with the using of many items of new materials and the new processing technology as well as the application technology progress, the screw rod pump production technology obtained the unceasing improvement and the very big promotion.

随着多项新材料和新工艺技术的采用以及应用技术的发展进步，螺杆泵采油技术得到了不断的完善和很大的提升。

We can say that the screw rod pump of oil production technology has already taken on an entirely new look.

可以说螺杆泵采油技术已经面目一新。

Expert system ; neural networks ; sucker rod pump ; downhole status diagnosis

专家系统；神经网络；有杆泵；井下诊断

At present, the use of domestic oil well pump rod to account for a large proportion of the number, most of which are plunger-type pump, conventional plunger pump's oil production has become one of the main.

目前国内油田使用有杆泵的井数以占很大比例，其中大部分是柱塞式抽油泵，常规柱塞抽油泵已成为主要的采油方式之一。

Finite difference method for solving mathematical models, and through examples of well calculated and analyzed for heavy oil well electric heating rod pump production program designed to provide scientific basis.

有限差分法求解数学模型，并通过实例井计算分析，为稠油有杆泵电加热井生产方案设计提供科学依据。

The system efficiency of sucker rod pump well in Tahe oil recovery No1 distriction mentioned in this paper has been up to 16.42%.

本文研究的塔河采油一区有杆泵井系统效率平均为16.42%。

Make use of Visual Basic6.0 to program the software of reliability digital simulation about rod pump system, make the problem about reliability analysis to change simple and easy.

利用Visual Basic6.0编制了有杆泵抽油系统可靠性数字仿真软件，使可靠性分析的问题变得简单易行。

The current developments of rod pump test equipment and hydraulic control system is introduced. Several rod pump test equipments are analysesed.

第一章阐述了研究意义以及目前国内外有杆泵测试领域及相似领域的现状，介绍了与液压伺服机系统相关的研究领域的现状。

This paper gives an introduction to the episodic research fruit of management techniques of PC pump well. Which is the first and critical step in the future work.

可作的工作很多也很有意义，本文介绍的是螺杆泵采油井管理技术研究的阶段性成果，也是关键性的一步。

Application of the model results show that the effectiveness and accuracy of other oil fields to enhance the efficiency of screw pump well system has a certain significance.

应用结果表明了该模型的有效性和准确性，对提高其他油田螺杆泵井系统效率具有一定的指导意义。

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。