pumping rod

The thermal refining defect of rod head was eliminated by the tracking preheat treatment of rod head to improve the reliability of the pumping rod application.

采用杆头跟踪预热处理技术，消除了杆头调质缺陷，提高了抽油杆应用的可靠性。

Optical pumping of solid-state lasers will induce axial thermal elongation and radial gradient of refractive index in the laser rod, which may be summarized as an effect of thermal thick lens.

光泵固体激光器会在激光棒中引起轴向热伸长和径向折射率梯度。

Abstract The base of operation with safe& optimal for pumping well is the safe optimal design including mainly the reasonable combination and match of motor 、 pumping rod and pump so that lifting capacity is suitable for the fluid supply ability of oil reservoir.

抽油机井的安全优化运行的基础是安全的优化设计，主要是电机、抽油杆和泵的合理组合匹配，使举升能力和油层供液能力相适应。为此要进行油层生产状况分析；

It can remarkably reduce the friction between the rod string and the oil tube, improve the system efficiently and prolong application life of rod string and oil tube that rationally set the centralizer in the direction well sucker rod-pumping system.

合理设置定向井抽油杆柱的扶正器，可有效降低杆柱摩擦，延长检泵周期，提高系统效率和抽油杆寿命。

At present , the widely-used pumping unit is the surface drive device in the rod pumping system.

抽油机是有杆抽油系统的地面驱动设备.

Circular design is adopted for the upper and lower end face of centralizer body to avoid contact with the tubing and the wear and tear between pumping rod and tubing ends of.

扶正体上下端面采用圆弧设计，避免了与油管接触、抽油杆与油管端部的相互切削与磨损。

TX Research on the Surface Protection Technology of Steel Cable Continuous Pumping Rod

钢丝绳连续抽油杆表面防护工艺研究

Experimental Study on Surface Peening of Pumping Rod by Rolling Technology

抽油杆表面滚压强化的实验研究

The feature of the progressive cavity pump mobile intermittent recovery technique is using a tractor as power unit, adopting a double universal coupling transmitting the power to a drive head to make the rod string rotate and thereby drive the progressive cavity pump for pumping.

新开发的螺杆泵机动间歇采油技术及设备的主要特征是用拖拉机做动力源，用双万向联轴器把动力传递给驱动头，由驱动头带动抽油杆柱旋转，进而驱动螺杆泵旋转抽油。

System Identification of the Hydraulic Servo Loading Test Apparatus of a Rod Pumping Unit

抽油机液压伺服加载试验装置的系统辨识

The conventional method used to improve the efficiency of the sucker-rod pumping system increases pumping unit stroke, but now mostly pumping unit stroke can be adjusted to its maximum, only fewness have the room to adjust.

提高有杆泵抽油机系统效率最常用的措施就是增大冲程，但是目前绝大多数抽油机的冲程已经调到了最大值，只有少数抽油机仍有冲程调节余量。

Sucker rod oil pumping is primary method in all these artificial pumping methods precedently.

目前，在各种人工举升采油方法中，有杆抽油法仍居于首要地位。

Main Positions of Pumping Rod String Friction in Deviated well

斜井抽油杆柱主要摩擦位置确定方法

A three-stage optimization system is employed for rod pumping wells.

对于有杆泵采油井，该工艺实行三级优化系统。

The product consists of wear-resistant alloy centralizer body and pumping rod with simple structure.

本产物结构简略,只有合金 耐磨 扶正体、抽油杆短接两部分构成.