两个泵转子通过旋转的抽油杆实现驱动。
Two pump rotor spinning rod through the implementation drive.
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.
通过上述工艺保证抽油杆具有良好的整体性能。
Through the above craft guaranteed that the oil extraction rod has the good overall performance.
同时分析了下冲程抽油杆所产生的螺旋弯曲变形。
Deformation of helical buckling appeared on rod during down stroke is also analyzed.
抽油杆的疲劳破坏是抽油杆柱的主要失效形式之一。
钢丝绳柔性抽油杆是一种特种密封钢丝绳的连续抽油杆。
Wire line flexible pumping rod is a coiled rod with sealing wire line.
介绍一种测量抽油杆减振器柱塞密封槽深度的测量工具。
An easy tool for measuring the depth of sealing groove is devised.
这样可以降低抽油杆的疲劳损坏，延长抽油杆的使用寿命。
Also it reduces suck rod fatigue failure to prolong working life.
按此方法设计的模具，抽油杆锻造合格率可达到95％以上。
The dies so designed can make the acceptance rate of forgings come up to 95% and over.
本文的定量研究为抽油杆减震器在工程中的应用提供了理论支持。
So the theory to the application of rod string absorber in engineering is provided.
找出了大斜度井中抽油杆断裂和脱扣的原因，并提出了预防措施。
Reasons of breakdown and thread-off of rod in high-inclination well are find out, and preventive measures are proposed.
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.
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.
抽油机井示功仪测试的上、下漏失曲线反映了抽油杆在静止状态下的受力。
The leakage curves in the indicator diagram of a pumping well reflect the forces born by the sucking rod in static state.
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.
对抽油杆检测中发现的常见不合格项进行了分析，探讨了形成原因和解决方法。
The common faults during oil pumping rod inspection are analyzed, the reasons that cause them and the solving methods are discussed.
本文系统地分析了影响抽油杆使用寿命的各种因素，并提出了相应的技术对策。
The paper analysis systematically the factors of influencing pumping rods' service life, and supply the corresponding technological countermeasures.
利用计算机模式识别原理，快速、准确地识别出抽油杆表面多种缺陷的阻抗图。
Based on the principle of model recognition, we can quickly and accurately identify the impedance charts of various defects on the surface of pump-rod.
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.
碳纤维连续抽油杆与普通抽油杆相比具有质量轻、弹性好、抗腐蚀、耐疲劳等优点。
Compared with normal rods, the carbon fibre coiled rod behaves much more advantages, such as lighter weight, better elasticity, resisting corrosion, higher fatigue limit, etc.
在开发过程中，出现严重的抽油泵、管及抽油杆腐蚀和偏磨现象，造成泵漏、杆等问题。
The corrosion on suck rod, tubing and pump are serious, resulting pump leakage and rod broke, during exploration.
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.
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.
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