In workover operation,running and pulling tubing and threading and unthreading in conventional way make the process complex,labor intensity high and operating environment hostile.

• 修井作业中,起下油管、上卸扣采用传统作业方式过程复杂,劳动强度高,作业环境恶劣,针对这种情况,提出了一种新的修井作业井口机械化系统设计方案。