并讨论了转速及沉没度对杆柱变形的影响。
This paper also discussed the influence of rotating speed and sinking speed.
许可证持有人须把所有杆柱髹上较淡的色彩。
The Permit Holder shall paint all the pole structures in a colour of low chromatic intensity.
建立下泵深度和抽油杆柱组合优化设计模型。
The optimal design model of downhole pump depth and rod string assemblage is set up.
并把具有初弯曲的杆柱转化为直杆柱以求其变形。
Transferring the rod having initial bending into the straight rod, its deformation can be com-puted them.
抽油杆的疲劳破坏是抽油杆柱的主要失效形式之一。
油管屈曲造成套管、油管、抽油杆柱之间的多重磨损。
Finally, the buckled string will make multiple wear on casing, tubing and rod string.
经对抽油杆柱的井下受力分析，建立了光杆功率数学模型；
Through analyses the force on the pumping rod, building-up the polish rod mathematical model.
螺杆泵井运行过程中经常出现杆柱断脱、蜡卡、烧泵等现象。
For screw pump well, the following accidents, such as rod breaking, wax locking and pump burning, always happened.
在有杆抽油系统工作过程中，抽油杆柱的合理设计是非常重要的。
Reasonable rod pump string design is very important in the working course of rod pump system.
本文以不同杆柱载荷公式和设计方案的计算实例验证了其正确性。
Its validity is verified through the Practical example with rod load formulas and design requirements.
应用有限元法对辽河滩海油田大斜度定向井抽油杆柱受力进行了三维计算。
Using finite element analysis method, three-dimensional calculation is conducted for force summing on rod in high-inclination well of Liaohe tidal zone oilfield.
从振动力学的理论出发，对现行抽油杆柱的振动力学模型进行了系统分析。
Based on theory of vibration mechanics, this paper analyzes the vibration mechanics model of rod string systematically.
以抽油杆柱为研究对象，论述了斜直井游梁式抽油机冲程和冲次的计算方法。
Taking the rod string as the object of study, a method of computing pumping stroke and speed of walking beam pumping units for slant straight wells is also presented.
立面由铝材 杆柱和维修用横梁带凸桥梁，白色石膏的外墙下有外保温系统。
The facade consist of aluminums posts and transoms with protruding bridges for maintenance, with an EIFS-facade in white plaster.
根据斜直井抽油杆柱工况特点，建立了斜直井抽油杆柱的一维有阻尼波动方程。
According to the operating mode of the rod string in slant straight Wells, the authors establish a one-dimensional damped wave equation for the rod string.
文章对抽油杆柱断脱的设计方法进行了详细的理论分析，指出了其中存在的问题。
The paper gives a detailed analysis of the design method causing rod string dropout and points out its inadequacies.
应用第四强度理论，求解杆柱在扭矩和轴向力条件下的复合应力，设计抽油杆柱。
Rod strings are designed by computing compound stress with the fourth strength energy on the condition of torque and axial force.
方法采用增大油管直径和下加重杆技术，来减少油流上升阻力和增大杆柱下行动力。
Method Large diameter oil tube and weighting rod are adopted to decrease lifting resistance of crude oil and to increase lowering-in energy of the string.
当抽油杆柱在上述一个或几个条件共同作用下达到偏磨临界条件时。杆管将产生偏磨。
When Wells run at one or some of the above states, and the practical down stroke axial load of the plunger is greater than the critical axial load, the wear of rod string and tubing will take place.
对现有抽油杆柱设计方法进行改进与补充，给出基于实际井眼轨迹的抽油杆柱设计模型。
This paper given an improvement and supplement to design methods of rod string in existence, established a rod string design model based on actual well path.
采用力学分析的方法，结合测井资料，由下到上计算了抽油杆柱的扶正器间距和轴向力。
The axial load and centralizer spacing from the bottom to the top are calculated by using the mechanical analysis method and the log data.
为抽油杆柱组合、扶正器、防脱器安放位置及数量设计提供了更加合理、完善的理论依据。
It provides a reasonably and completely theoretical basis for combination of rods, centralizer, assembling site and number of depart device.
抽油杆与控制器组成的控制杆柱下入到丢手管柱内，控制杆柱上部与杆式泵的进油孔相连。
The control rod string which is consisted of pumping rod and controller is tripped into the release string.
在对旋转抽油杆柱的扭转振动分析的基础上，给出了各阶扭转振动固有特性参数的计算式。
On the basis of the analysis of the twisting vibration of rotary sucher-rod string, a formula of calculating every harmonic vibration eigenfrequency is presented.
针对水平井井眼具有一定曲率的特点，建立了抽油杆柱下部任意一点最小轴向力的计算方法。
In the light of characteristics that horizontal hole possesses a certain rate of curvature, the method of estimating minimum axial force at any point along a rod string is established.
针对水平井井眼具有一定曲率的特点，建立了抽油杆柱下部任意一点最小轴向力的计算方法。
In the light of characteristics that horizontal hole possesses a certain rate of curvature, the method of estimating minimum axial force at any point along a rod string is established.
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