抽油杆

The dynamic strength of rod string and the mount position of centralizer were calculated,according to the acquired deformation of rod string and its impact contact force with tube in the time domain.

根据求得的时域内抽油杆柱受力变形值以及与油管柱碰撞接触力，计算了抽油杆柱动强度和扶正器安放位置。

Firstly, based on the wave equation, determining reasonably its initial boundary condition, the paper establishes a computer diagnostic model of oil pumping mechanical well, the damping factor in the model has been reasonably determined, the implicit difference solutionis conducted to the model by changing of step width expression difference solves, and the half analytical solution is explored to the model - fine integral method; and realizes the transformation from dot indicator diagram to indicator diagram of any section.

首先从抽油机井计算机诊断技术的理论基础入手，考虑多级抽油杆连续性，建立了粘滞阻尼波动方程，合理确定模型中的阻尼系数，采用无条件稳定的隐式差分法及半解析方法求解方程，获得抽油杆柱任意断面和抽油泵处的示功图。

The new technology makes the sucker rod string downwards easily by applying a downward hydraulic force at the bottom of the hollow sucker rod string, which effectively solves the problem of large drag force on the downstroke in the present technology of this kind.

介绍了一种新型空心杆采油工艺技术，这种技术采用了具有液力反馈原理的空心杆抽油泵，该泵的特点是能有效地减小空心杆的下行阻力，并能增加抽油杆的下行动力。

No research theory of remaining lifetime of pump rod can be used to in-situ, and can not diagnose it remaining lifetime by engineering examine at present.

目前研究抽油杆剩余寿命的理论方法没有一种可直接应用于现场，无法直接通过工程检测手段来判断抽油杆的剩余寿命。

The turning fixture and the feeding device of the pump rod joint can be used to realize the automatic discharging.

结果表明，抽油杆接箍车削上料装置用于抽油杆接箍生产在技术上是可行的，在实际生产过程中可以实现一人控制多台机床进行生产，整套系统在运行过程中也表现出极好的运行性能和安全性能。

But for resolving the problem that enterprise comes across in developing conscientiously, make use of taking the oil pole out receiving a hoop expecting that the device realizes automation ejection of compact on turning, can realize the semi-automatization taking the oil pole out receiving a hoop giving birth to a child, to resolve the problem that enterprise comes across in procedure of production by digital control-rization engine lathe make over and pneumatic tail seat composition work tip sigmatism.

为了切实解决企业发展中遇到的问题，可利用抽油杆接箍车削上料装置实现自动出料，通过普通车床的数控化改造和气动尾座的配合活顶尖的使用，可以实现抽油杆接箍的半自动化生产，以解决企业在生产过程中遇到的问题。

It chooses the vitta, the pump, and the sucker-rod assemblage in reason from the dimensionless quality curve, and the sucker-rod assemblage sheet.

以产量为目标根据无量纲参数曲线、抽油杆柱组合数据表来合理选择抽油泵、油管、抽油杆柱组合，并对工作状态进行预测。

The solid sucker rod is developed on the basis of general sucker rod, friction welding process has been adopted.

我公司生产的实心抽油杆是在普通实心抽油杆的基础上研制开发的。

According to working characteristics of a surface driving screw pump system,torsion load and axial force of sucker rod string which is analyzed and calculated in this article.

结合螺杆泵抽油系统的工作特点，对抽油杆柱的扭转载荷与轴向载荷进行了分析和计算，结合第四强度理论，对杆柱强度条件进行了分析。

The company range of products and services include: self-and agent all kinds of domestic and foreign oil import and export of machinery and equipment Products Services, including: drilling machinery (drill, drill pipe, square pipe, drill collar, screw drill), oil production machinery (pumping, ground-driven screw pump, electric submersible screw pump, pump, sucker rods, valves, various types of downhole tools), pipe (tubing, casing, pipe, glass pipe, composite pipe ), oil field chemicals (such as drilling fluids, completion fluids, workover fluids, anti-foam agent, emulsifier, oil microorganisms, scale, etc.) and oil technology development, transfer and services.

公司主要产品和服务范围包括：自营和代理国内外各类石油机械设备产品的进出口服务，主要包括：钻井机械（钻机、钻杆、方钻杆、钻铤、螺杆钻具）、采油机械（抽油机、地面驱动螺杆泵、电潜螺杆泵、抽油泵、抽油杆、阀门、各类井下工具）、管材（油管、套管、输送管、玻璃钢管、复合管）、油田化学品（如钻井液、完井液、修井液、防泡剂、乳化剂、采油微生物、阻垢剂等）以及石油技术的开发、转让和服务等。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。