pumping unit

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.

The application of semiliquid lubricant grease in gear box of pumping unit

半流体润滑脂在抽油机减速箱保养中的应用

Field test shows that power consumption is decreased by 15. 2% after an overdrive clutch is mounted on a pumping unit.

抽油机加装超越离合器的厂内台架试验表明可节电48.3%，现场采油试验可节电15.2%。

This kind of pumping unit will promote energy-saving and production costs cut.

新型抽油机对油田的节能降耗,降低成本将起到推动作用.

There are over 300 trailer pumping unit in service in China up till now.

经过几年的运作,全国各油田在用捞油车已达300余台.

The existing beam pumping unit often have empty pumping, liquid hammer, as a result of its unadjustable pumping stroke and pumping frequency, causing great damage to the pumping unit and huge waste of energy.

现有的游梁式抽油机在工作时，由于其冲程、冲次不可调，往往会出现空抽、液击现象，造成抽油机的损坏以及电能的巨大浪费。

The design scheme and working principle of a broad-belt hydraulic pumping unit are presented.

提出了宽带液压抽油机设计方案,以及设计结构和工作原理.

Study on the power saving effect of involute pumping unit

渐开线节能抽油机的节能效果分析

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。

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 gear box of pumping unit's lubricating and leaks had seriously affected pumping unit's work.

抽油机减速箱的润滑和漏失问题已经严重影响了抽油机的正常运转,引起了人们的重视.

A down-hole autotracking well pumping unit different from the conventional pumping unit was designed.

针对抽油技术的现状和存在的问题,设计了一种不同于有杆抽油方法的井下自动跟踪式抽油装置.

This paper presents working principles, domestic-foreign developments and advantages of a new type of pumping unit called continuous steel tape pumping unit.

介绍了一种新型连续钢带抽油机及超长冲程泵装置的工作原理、国内外的发展现状以及技术优点，分析了该抽油装置的主要研究内容与技术关键。

Finally author advances a idea about the advantage and foreground of power saving pumping unit.

最后还提出了节能抽油机的优点以及应用前景.

The Principle and System Design of Power Saving Pumping Unit

抽油机节能原理与系统设计

Through modification of the framework of a beam pumping unit by removing the cross tension link, a great quantity of steel can be saved and the manufacturing cost can be reduced.

采取去掉横拉筋的办法改造抽油机游梁支架，可节省大量钢材，降低制造成本。对改造后的游梁支架进行了动态应力测试、位移测试和稳定性计算。

Wireless testing technique of indicator diagram of pumping unit

抽油机示功图无线测试技术

The pumping unit described in this article consists of a frame-mounted mechanical reversing drum.

齿轮式无游梁长冲程抽油机为机械换向台架式滚筒抽油机.

This pumping unit provides for the advantages of high-carrying capacity, life and ease of manufacture.

这种工作机构为单一的 连杆机构,具有承载能力大 、 寿命长、制造容易的优点.

Long stroke pumping unit ( Model 20 ~22 ) with derrick frame was developed for new production.

塔架式长冲程抽油机 ( 20~22型 ) 是配合油田采用新工艺而研制开发的.

Arrangement Study on Energy-saving Equipment Optimization for Pumping Unit Well

抽油机井节能设备优化配置研究

Failure analysis and connection design of pumping unit crank pin

抽油机曲柄销失效分析及联接设计

This Article introduces the process flow, equipment selection, safety and protection measures and the automatic control system of the oil tank gas-extracting unit on Tuo No. 1 oil pumping station.

本文较详细地介绍了坨一转油站油罐抽气装置的工艺流程、设备选型、安全保护措施和自动控制系统。

Analysis of harmonic wave from the pumping unit energy saving controller

可控硅调压式抽油机节能控制器的谐波分析

The favourable conditions for developing the drum type long stroke pumping unit are expounded.

论述了发展滚筒式长冲程抽油机的有利条件.

Chain type long stroke pumping unit is mainly used in mid and anaphase oilfield.

链式长冲程抽油机主要是为开采中、期油田而设计的.

The walking-beam pumping unit has not been fit for oil production in special wells defects.

游梁式抽油机—抽油泵装置已越来越不适应一些特殊油井开采的工艺要求.

A type of-saving and long-stroke pumping unit is designed.

文章介绍了一种挂钩换向链条驱动的长冲程节能抽油机的结构和工作原理.

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。

The pumping unit driven by a linear motor has been successfully used in field.

直线电机驱动抽油机已经成功在油田应用.