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从泵示功图入手，从力学角度出发，研究了抽油机井发生气锁、液击和泵下碰时抽油泵的运动规律以及杆柱断脱时断脱点的运动规律，建立了其数学模型，并得到了满意的仿真结果，即仿真结果基本能够反映出抽油机井在各种故障下的特征。进一步的杆柱断脱仿真试验还表明：杆柱断脱位置越靠上，断脱后悬点载荷的振动越严重；井液的粘度越小，杆柱断脱后悬点载荷的振动衰减越慢。运用给出的数学模型编制成仿真软件，便可实现对抽油机井在各种故障工况下的运动规律的研究。
Starting from the pump dynamometer, starting from the mechanics point of view, studying the law of motion of pumping oil pump when airlocking, liquid hammering and pump touchdown, Model, and have been satisfied with the simulation results, that is, the simulation results basically reflect the characteristics of the pumping well under various faults. The further pole-break simulation test also shows that the more the pole is off, the more serious the vibration of the load at the dangling point is; the less the viscosity of the fluid is, the more the vibration attenuation of the dangling point after the pole is disconnected SLOW. Using the given mathematical model compiled into simulation software, we can realize the research on the motion law of pumping well under various fault conditions.