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- When using the mechanical recovery method with sucker rod pump in directional and horizontal wells,it needed install to centralizer on sucker rod string. 在定向井、水平井中使用有杆泵机械采油方法时,需要在抽油杆柱上安装扶正器。
- In contrast to conventional centralizers screwed on sucker rod, new-type centralizers have several advantages of simple structure,ease use, less cost and any positions spaced on the rod string. 它相对接头连接式抽油杆扶正器具有结构简单、成本低、易于安装使用,能够根据生产需要布置在抽油杆柱任意位置的特点。
- The causes of abrasion of sucker rod string and tubing string aie analyzed, and it is indicated that the effective measure for preventing the abrasion is using sucker rod centralizers. 分析了油管和抽油杆产生偏磨的原因，指出防止油管和抽油杆偏磨的有效措施是采用抽油杆扶正器。
- Research on stability of the sucker rod string 抽油杆柱稳定性问题的研究
- Optimization and application of flexible sucker rod string 柔性抽油杆柱的优化设计及应用
- Study on partial abrasion protector for sucker rod string 抽油杆柱防偏磨器的研究
- Dynamic Model of Rotary Sucker Rod String and Its Finite Difference Equation 旋转级次抽油杆柱动力学模型及其差分方程
- Reasons of sucker rod string lagging in heavy oil slant hole and solving method 稠油斜直井抽油杆柱滞后原因及解决途径
- 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
- A Primary Study on the Frictional Power of Sucker Rod String in Wells 标准试验井抽油杆摩擦功率的初步研究
- Longitudinal vibration characteristic and resonance condition of sucker rod string 抽油杆柱的纵向振动特性与共振条件
- The Frictional Force Calculation and the Centralizer Distribution Design of Sucker Rod String in Directional Wells 定向井中抽油杆柱的摩擦力计算和扶正器分布设计
- Keywords sucker rod string stability power progression neutral point eccentric abrading point; 抽油杆柱;稳定性;幂级数;中和点;偏磨点;
- Computer Simulation for Transient Kinematics and Dynamics Characteristics of Sucker Rod String of Compound Steel-glass Fiber 钢-玻璃钢混合抽油杆柱动特性的计算机模拟
- The twisting vibration characteristic analysis of the sucker rod string for progressing cavity pump oil production system 螺杆泵采油系统杆柱的扭转振动特性分析
- Fatigue bet of 20CrMo steel for Grade D sucker rod. D级抽油杆用20CrMo钢疲劳试验
- Keywords polymer flooding rod pumping wells;power law fluid;sucker rod string;liquid friction force;longitudinal vibration;dynamometer card;simulation model; 聚合物驱抽油机井;幂律流体;抽油杆柱;液体摩擦力;纵向振动;示功图;仿真模型;
- Location and spacing of sucker rod centralizers in straight holes. 直井抽油杆柱扶正器安装位置及安装间距。
- sucker rod string 抽油杆柱
- This paper gives a diagnostic model for sucker rod pumping of the horiznotal well,in which a system including the sucker rod sting subing string and liquid columns is considered. 本文给出了考虑杆柱、液柱、管柱组成的有杆泵系统的泵况诊断数学模型。
