抽油杆

Hollow sucker rod is a kind of special product designed for production of high pour point, high condensation, high paraffin crude oil. Its connector and coupling is welded with sucker rod body in friction welding. We can get the function from the hole of hollow sucker rod. The properties of hollow sucker

空心抽油杆是用于开采"高凝、高粘、高含蜡"原油的专用产品，它是将空心杆头、接箍通过摩擦焊，焊接到无缝钢管两端形成的抽油杆，其管柱内部形成一条通道，利用这一孔道实现空心抽油杆的各种功能。

The theoretical and computational results show that an important reason resulting in eccentric wear of the inner cylinder and the pumping rod lies in the nonuniformity of the stress distribution on the outwall of the inner cylinder which yields excentralization effect of the pumping rod when swabbing fluid flows in eccentric annuli with the pumping rod moving axially in a well.

在实验上，通过不同重量百分比浓度的HPAM水溶液在内管做轴向往复运动的偏心环空中非定常流实验，把由理论公式算得的时间平均流量与实验中测得的时间平均流量做了比较，验证了本文数值计算幂律流体在内管做轴向往复运动的偏心环空中非定常流方法的正确性；上述的理论与计算表明，抽油机井杆管偏磨的一个重要原因是，在聚驱工况下，抽汲液体在抽油杆做轴向运动的井筒中流动时，抽汲液体作用在抽油杆外壁上的压力分布的不均匀性所引起的抽油杆在井筒中的偏心效应。

Studied pumping well system in this article, the intermediate power transmission parts uesed flexible rod, the downhole assembled rod pump, the ground driving device would transform up and down reciprocating motion into rotating motion. With own mechanism rounded trip for the downhole flexible rod and pump. Wellhead polished rod changed common stell for flexible polished rod. It was a innovation in theory study and craftwork method. It was a remarkable feature in this article, because these innovations were not studied and attempted for prehuman.

本文所研究的抽油系统，中间动力传动部件采用柔性抽油杆，井下配套杆式抽油泵，其地面驱动装置将传统抽油机驴头的上下往复运动变为旋转运动，并且能够利用自身结构对井下柔性抽油杆及泵体实现起下作业，井口光杆也由普通钢质光杆变为柔性光杆，这是理论研究和工艺方法的创新，这些创新都是前人所没有研究和尝试的，是本文的一大显著特点。

This paper integrates the engineering fact, founding models for calculating and analyzing, including the thereinafter several aspect:This paper founds a model for load on a rod in deviated well, according to the theory of rod designing put forward by American Petroleum Institute, doing research on the program realization of the designing sucker-rod.

本文结合工程实际，对有杆抽油系统进行建模计算和分析，主要包括以下几个方面的内容：(1)建立了斜井抽油杆柱载荷计算数学模型，按照修正的美国石油学会抽油杆柱设计理论，研究了斜井抽油杆柱的设计方法的具体实现。

On the basis of the method of separating variables of sucker rod wave equation,in combination the matrix recursion technology with trigonometric series recursion technology,a kind of quick arithmetic of pump dynamograph in failure diagnosis technology of sucker rod pumping system is proposed.

在抽油杆柱波动方程分离变量法的基础上，将矩阵递推技术与三角级数递推技术相结合，提出了有杆抽油系统故障诊断技术中计算泵功图的一种快速算法，这种方法不仅适用于单级抽油杆采油系统，同时也适用于不同材质、不同杆径抽油杆组成的抽油系统。

The visco?-elastic fluid hydrodynamic theory was applied to the wear-resistance experiment on sucker rods.The values of normal stress in suck string generated by visco?-elastic fluid and eccentricity brought out by sucker string were measured quantitatively.The partial abrasion of sucker string and tube in oil well was caused from the normal stress of visco?-elastic fluid.A module for bending analysis of sucker rod in cross direction and wire direction was developed.

大庆油田实施聚合物驱油以后，出现了抽油杆受力状况恶化、抽油杆柱严重偏磨的现象，为此开展了粘弹性流体水动力学理论和试验研究，得出了粘弹性流体在抽油机井筒内的流动规律及对抽油杆柱法向应力的影响规律，定量测出了粘弹性流体对抽油杆柱的法向应力值和抽油杆柱产生的偏心率。

By the mechanics analysis of pumping rod, the calculation model of the mechanics analysis of pumping rod and neutrality point of oil tube have been established. The function of pumping rod bend space length and account method have been derived and analysis example have been completed. The simulation of wellbore trajectory and the deformation curve of sucker rod and oil tube is also given.

论文对机械磨损和腐蚀对偏磨的影响进行了分析，通过对抽油杆和油管的力学分析，建立了下冲程抽油杆、管柱下部受力分析与中性点计算模型；给出了抽油杆变形的影响因素，建立了油井井身轨迹、抽油杆和油管在油井中的变形曲线模拟软件。

Based on the practice of the use of φ95mm subsurface sucker rod pump in Shengtuo Oilfield in recent years, the causes of the failure of the pump are analyzed, and relevant precautions are put forward:(1)selecting oil wells with sufficient fluid supply for pumping;(2)under the condition of the pump efficiency being the same, the submergence depth of the pump being somewhat larger than that of the small pump, and 450～500m being feasible;(3)adopting Grade H ultrahigh-strength rod string and fixing a sinker bar at the bottom of the rod string;(4)selecting long stroke and low pumping speed, and more than 5m stroke and less than 6min-1 pumping speed being recommended;(5)adopting zirconium oxide valve ball and seat ＋ spray welded plunger ＋ nitrided barrel.

根据胜坨油田近几年采用φ95mm有杆抽油泵提液的实践，分析了造成这种抽油泵失效的原因，包括与其配套的脱节器失效、抽油杆断脱、泵漏、电动机不配套和生产管理不善等。为增强泵的提液能力和工作可靠性，提出5 项预防措施：(1)选择有充足供液能力的油井；(2)在保持相同泵效的情况下，泵的沉没度应略大于小泵，推荐按450～500m设计；(3)采用H级超高强度抽油杆柱，并在杆柱底部配置一定重量的加重杆；(4)采用长冲程、低冲次的参数匹配，推荐光杆冲程大于5m，冲次小于6min-1；(5)为提高泵筒、活塞和阀座的防腐耐磨性，推荐采用&氧化锆阀球和阀座+喷焊柱塞+氮化泵筒&的结构形式。

The carbon fiber coiled rod proceed compare,analyses different kinds of carbon fiber coiled rod 'mer with carbon fiber world face bonding instance,and different kinds of carbon fiber coiled rod' mechanical property,thereby erect differ mer 'sucker rod not so much mechanical property of compartment' parallelism relation,thereby gist these one relation design new style dispensation 'carbon fiber reinforced polymer composite coiled rod for as well of the these theses versus available different kinds of differ mer.

本论文对已有的各种不同基体的碳纤维连续抽油杆进行比较，分析各种碳纤维连续抽油杆的基体与碳纤维的界面结合情况，以及各种碳纤维连续抽油杆的力学性能，从而建立不同基体的抽油杆与其力学性能之间的对应关系，从而依据这一关系设计新型配方的碳纤维增强复合材料连续抽油杆。

Through an analysis of the electromagnetic force on the electric heated rod, the authors work out the equation for calculating the electromagnetic force on unit area of the rod, and indicate that radial vibration of 100Hz will occur when the rod is in operation, which have little effect on the strength and sealing of the rod owing to minor amplitude.

电热杆的交流阻抗远大于导线的电阻，因此主要发热体为抽油杆，可快速有效地加热杆外的原油，而导线不会过热，有利于导线的绝缘与保护。通过对电热杆所受电磁力的分析，推导出了抽油杆内表面单位面积上所受电磁力的计算公式，从而得知电热杆工作时将产生沿径向向外的径向振动，振动频率为100Hz。但由于振幅较小，这种振动不会对抽油杆的强度和密封产生明显的不利影响。

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。