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流体在抽油杆与油管环形空间的流动是有杆抽油系统的一个动态子系统。本文对抽油杆柱的粘滞阻力进行了理论分析，井利用自行设计建立的有杆抽油系统模拟实验装置，对四种不同条件下的抽油杆柱阻力进行实验研究，得到了计算抽油杆柱阻力系数的相关式。
The fluid flow between sucker rod and tubing annulus is a dynamic subsystem of sucker rod pumping system. In this paper, the theoretical analysis of the viscous resistance of the sucker rod column was made. Using the self-designed rod sucker rod system simulation experiment device, the resistance of sucker rod column under four different conditions was experimentally studied. Correlation of rod resistance coefficient.