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前言我国的石油工业和其他部门一样,在“工业学大庆”的战斗号召下,日新月异,突飞猛进。石油工业的迅猛发展,就越来越多地需要较高强度的钻杆,也就是目前使用的无细扣接头的钻杆。过去,钻杆分成杆作和细扣接头两部份,由于钻井时钻杆受到很大的复杂应力的作用,使两体接头部份产生径向裂纹,甚至造成井下钻杆折断事故,因此,这种细扣联接的旧钻杆大批地被淘汰。为了使这些旧钻杆恢复生命,投入生产,我们成立了三结合攻关小组,通过向兄弟单位学习,结合钻杆的特点和现有加工条件,边设计边制造,终于在1973年成功地制造出一台东方红414—2型钻杆闪光对焊机,用这台焊机对焊的钻杆,在现场大量地使用,钻井深达2699米,正准备向更深的地层钻进。
Foreword China’s petroleum industry, like other departments, has been making rapid changes with each passing day in the battle of Daqing Industrialization. The rapid development of the oil industry increasingly requires higher strength drill pipe, which is currently used without a small buckle joint drill pipe. In the past, the drill pipe was divided into two parts: the rod and the thin buckle. Since the drill pipe was subjected to a great deal of complicated stress during drilling, radial cracks were generated in the joint part of the two bodies and even the drill pipe was broken accidentally. Therefore, The fine linkage of the old drill pipe in large numbers to be eliminated. In order to bring these old drill rods back to life and put into production, we set up a three-pronged research team that, by learning from our brothers, combining the characteristics of the drill pipe with the existing machining conditions, and designing and manufacturing it, finally succeeded in manufacturing in 1973 A Dongfanghong 414-2 drill flash flash butt welding machine, with this welding machine butt welding drill rod, a large number of use in the field, drilling up to 2699 meters deep, is preparing to drill deeper into the ground.