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采用专用装置来减轻抽油杆的纵向震动,是延长井下抽油装备使用寿命的有效方法之一。纵向震动是导致抽油杆发生断裂事故的一个主要原因。 当前,在各种减震装置中,结构最简单、使用最可靠的是装在抽油杆柱上的机械式减震
Using special devices to reduce the longitudinal vibration of the sucker rod is one of the effective ways to extend the service life of underground oil pumping equipment. Longitudinal vibration is the leading cause of the fracture of the sucker rod. Currently, among the various damping devices, the structure is the simplest and the most reliable one is the mechanical damping installed on the rod string