CAJ | 학술논문

运用Algor有限元软件对抽油杆柱和油管进行实体建模和网格划分，以抽油杆柱力学规律和运动模型为基础，建立了抽油杆柱仿真运动模型，以抽油机悬点运动规律、抽油杆柱下端（泵柱塞）受力和杆柱沿程重力分布为约束条件，计算分析了在一个抽汲周期内不同时刻抽油杆柱沿程径向位移分布规律、最大径向位移和中性点分布特征，对比分析了扶正器安装前后抽油杆柱径向位移的变化，为防偏磨扶正器安装设计提供理论依据；以油井的现场偏磨情况与理论仿真结果进行对比分析，验证了仿真结果的正确性。
운용Algor유한원연건대추유간주화유관진행실체건모화망격화분，이추유간주역학규률화운동모형위기출，건립료추유간주방진운동모형，이추유궤현점운동규률、추유간주하단（빙주새）수력화간주연정중력분포위약속조건，계산분석료재일개추급주기내불동시각추유간주연정경향위이분포규률、최대경향위이화중성점분포특정，대비분석료부정기안장전후추유간주경향위이적변화，위방편마부정기안장설계제공이론의거；이유정적현장편마정황여이론방진결과진행대비분석，험증료방진결과적정학성。
Using Algor finite element software,the entity modeling and the mesh of sucker rod string and tubing were established and generated.Based on the mechanics rule and motion model of rod string,the simulation motion model of rod string was built.By constraints of the suspension point motion of the sucker rod of pumping unit,the force of the column bottom (pump plunger),and the distribution of gravity force along the rod string,it was calculated and analyzed that the radial displacement distribution along the sucker rod string,the maximum radial displacement,and the distribution charac-teristics of neutral point at different moment in the same swabbing period.And it was compared and analyzed that the change of radial displacement before and after installing centralizer on the rod string.It provides theoretical basis for the design and installation of preventing eccentric wear centralizer.The correctness of the simulation results was validated by comparing the eccentric wear in the oilfield and simulation results.