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针对螺杆泵采油过程中出现抽油杆柱经常脱扣的问题，在分析抽油杆柱脱扣原因的基础上，设计了螺杆泵杆柱扶正防脱扣装置，简要介绍了这种装置的结构和工作原理。这种装置具有施工方便、性能可靠、经济耐用、防脱扣效果好、作业成功率高等特点，在现场应用中取得了很好的防脱扣效果，保证了螺杆泵采油井的正常生产，是一种与螺杆泵配合使用以防抽油杆柱脱扣的理想专用工具。
Aiming at the problem that the sucker rod column often trips during the process of oil recovery, the reason for the tripping of the sucker rod column is analyzed and the positive rod anti-tripping device is designed. The structure of this device is briefly introduced And working principle. The device has the advantages of convenient construction, reliable performance, economical and durable, good anti-tripping effect and high operation success rate, and has achieved good anti-tripping effect in the field application to ensure the normal production of a screw pump production well. An ideal tool for use with screw pumps to prevent tripping of sucker rods.