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分析了油田修井起下作业设备的现状，提出油管排放是实现修井起下作业机械化的一大难题，应先解决目前广泛应用的通井机作业的油管排放问题，即研制与通井机配套的油管排放装置，形成一个初步的修井作业机械化配套体系，再设计车装式综合机械化修井机的油管排放装置。在分析了油管排放过程中的难点后认为，油管水平排放比较适宜，所用排放装置可以在不作大的改动下与现行通井机配套使用，且成本低。为此，提出了简易吊运式、自动排放式、分体组合式和多层排放式等四种油管排放装置设计方案，供油田使用和设计者参考。
After analyzing the status quo of working equipment under the workover of oil well, it is put forward that the tubing discharge is a major problem to realize the mechanization of operation under the workover. The problem of tubing discharge which is widely used at present should be solved first, that is to say, Supporting the tubing discharge device to form a preliminary workover mechanization supporting system, re-design of car-mounted mechanized workover rig tubing discharge device. After analyzing the difficulties in the tubing discharge process, it is considered that the horizontal discharge of the tubing is more suitable, and the discharge device used can be used with the existing well drilling machine without major changes with low cost. For this reason, four kinds of design schemes of pipe discharge device, such as simple lifting type, automatic discharge type, split type and multi-layer discharge type, are proposed for the use of the oilfield and the designer’s reference.