目前处理钻杆折断事故,最普遍使用的工具是公锥和母锥。这种工具在使用时,有很多缺点,既麻烦也浪费时间,而处理效果也不十分好。最近苏联某勘探队工人布聶金同志,提出一项捞取工具的建议,用于捞取折断的钻杆。其结构参见附图,图中所示的捞取器是用于捞取折断的 At present, the most commonly used tools for handling drill pipe breakage are male and female cones. There are many drawbacks to using this tool, which is troublesome and time-consuming, and the result is not very good. Recently, a prospecting team worker in the Soviet Union, Comrade Bu Niem, put forward a suggestion for fishing tools for fishing off broken drill pipe. Its structure is shown in the accompanying drawings, which are used for fishing and breaking