1　国内油田小修作业机的现状在油田的原油生产活动中,各类修井、增产措施作业占有十分重要的地位。据统计,我国各油田每年要进行十多万次的各类修井作业和增产措施作业,其中绝大部分是小修作业的范畴。小修作业中承担起、下油管柱和更换井下工具的主要装备是小修作业机和通井 1 The status quo of small repairing machines in domestic oilfields In the crude oil production activities of oilfields, various types of workover and stimulation measures occupy a very important position. According to statistics, all kinds of oilfields in our country have to carry out various types of workover work and production stimulation measures more than 100,000 times a year, most of which are in the category of minor repairs. Minor repair operations to assume, under the tubing string and the replacement of underground tools, major equipment is minor repairs machine and through well