sucker rod

Pump-jack is a mechanical device applied to exploit the oil and pumps oil through sucker rod.

抽油机是开采石油的一种机械设备，通过抽油杆的抽汲作用把油抽上来。

The cross testing method is applied to analyze and design wearing test of sucker rod and oil tube.

运用正交实验法对抽油杆与油管的磨损实验进行分析和设计。

Research and application of the forging thread off prevention hollow sucker rod used in the screw pump

镦锻式螺杆泵防脱空心抽油杆的研制与应用

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。

At the same time, there exist a lot of problems in the rod-pumped wells of polymer flooding compared with water flooding, such as greater ergogram, lower pumping efficiency, eccentric wear of the sucker rod, shorter period of pump checking, etc.

与此同时，聚驱抽油机井与水驱抽油机井相比有诸如示功图肥大、泵效下降、抽油杆偏磨、检泵周期缩短等问题。

Some factors including water content and submergence depth which is related to sucker rod and oil tube wear were analyzed. Measures of protection eccentric wear, mainly are lower sinker rod and centralizer, were designed and calculated.

对影响杆管偏磨的含水率、沉没度等因素进行了分析，对防偏磨措施加重杆和扶正器进行了设计与计算。

Sucker rod pump units are widely used in oil extraction in our country. However, due to limitations of devices and technologies, most sucker rod pumps run under low efficiency in oilfield.

有杆抽油泵在我国众多的油井中得到了广泛使用，然而由于设备水平和采油工艺的局限，在现场使用的大部分有杆抽油泵的存在效率低下的问题。

The trip preventer uses the inertia in up and down movement of the horsehead, through driving the rotating mechanism of the worm wheels and worms with balance wheel makes sucker rod revolve undirectionally, thus the trip accident can be prevented effectively.

抽油杆自动旋转防脱器是利用驴头上、下运动中的惯性，通过摆轮驱动蜗轮、蜗杆旋转机构，从而带动抽油杆作单向旋转，可以有效防止抽油杆脱扣事故的发生。

The structure of closed valve bonnet influences the perfor-mance of sucker rod pumps.

闭式阀罩是影响抽油泵使用性能的零件.

Method for calculating pressure drop over valve of sucker rod pump

抽油泵阀开启压差的计算方法

Main products: deflection proof and abrasion-proof sucker rod joint, and common joint.

公司的主要产品有: 双向保护抽油杆防偏磨接箍和普通接箍.

For the purpose of environmental protection and pump efficiency improvement, tubing draining and anchoring is necessary for sucker rod pumping.

油管泄油和锚定是有杆泵采油系统必不可少的配套设备，用来防止环境污染及提高抽油泵泵效。

To solve the problem of rod floating during the operation of conventional rod pumps in heavy oil wells, a telescoping sucker rod pump is developed.

针对普通抽油泵在稠油井中使用时存在抽油杆柱下行困难的问题，提出一种套装式抽稠油泵。

The vibration analysis of sucker rod of hydraulic pumping system is carried out in this paper.

应用机械振动理论,对准匀速悬点运动下抽油杆柱的振动问题进行了研究.

It is important for petroleum production engineer to know pressure variation regularity of a sucker rod pump, which could help analyze the dynamics of the rod at the bottom and apprehend the working condition of the pump.

了解抽油泵筒内压力变化规律，有助于认识抽油泵在井下的工作状态，同时也有助于分析和计算抽油杆柱底部受力。

Deep pumping by sucker rod in low permeability reservoir

低渗油藏有杆泵深抽采油配套技术

The failure of reinforced plastic fiberglass sucker rod is classified into bud and thread off, and the break of the rod body is the common failure pattern.

玻璃钢抽油杆的失效类型分为断杆和脱扣两种，杆体的劈断和劈散是其最常见的失效形式。

Force measure and analysis on sucker rod string in off-center wear well

偏磨油井抽油杆受力实测分析

Integrating with the research results of testing method of main body and both ends of sucker rod, the paper also dissertates the research of no-blind testing system for sucker rod.

结合杆体和过渡区检测方法研究的结果，系统阐述了抽油杆无盲区检测系统的设计方法。

Gordian techniques and new equipments of dewatering gas production by sucker rod pumping in deep wells

深抽排水采气工艺的关键技术及新型装备

This article recommends the process of direct quenching after carburizing for sucker rod pump liners.

介绍了抽油泵衬套渗碳后直接淬火处理工艺.

Residual Life of Sucker Rod Wrench Square With Surface Derects

抽油杆扳手方段存在表面缺陷时的剩余寿命

In sucker-rod oil pumping system, the sucker rod is its vulnerable spot.

在有杆抽油系统中, 抽油杆是其薄弱环节.

Analysis of the rupture and out of joint of the sucker rod

抽油杆断脱原因分析

Research on Tubing and Sucker Rod Lopsided Wearing Mechanism and Its Prevention

管杆偏磨机理研究及其防治

Based practical investigation, the fault tree of steel common sucker rod is established by deductive method.

在现场调研的基础上，用演绎法建立了钢质普通抽油杆的事故树。

The cross testing method applied to analyze and design wearing test of sucker rod and tube.

运用正交实验法对抽油杆与油管的磨损实验进行分析和设计.

Mechanism and application of long plunger sand control sucker rod pump

长柱塞式防砂抽油泵原理与应用

The level of screw pump well being managed is more improved and that sucker rod break and collar thread off is delayed effectively, the exempt workover period is prolonged.

该技术的应用进一步提高了螺杆泵井的管理水平，有效的减缓了抽油杆的频繁断、脱问题，延长了检泵周期。

Application and development of technology of wire rope sucker rod pumping system

钢丝绳抽油杆技术的应用与发展