胜利油田采油一部四大队职工在毛主席革命路线指引下,贯彻“独立自主、自力更生”的方针,最近研制成功了一种胜利牌小型作业机。这种作业机,井架高12米,最大负荷4吨,用电机作动力,全部机器包括绞车、电机、井架,总共只有1吨重。采油队用这种小型作业机就能够进行不动油井管柱的简易修井作业,如打捞抽油杆,检查或更换地下泵凡尔,而不需出动作业队。 Under the guidance of Chairman Mao’s revolutionary line, the workers of the fourth brigade of Shengli Oilfield Oil Production Company have successfully implemented the principle of “independence and independence, self-reliance” and successfully developed a small-scale victory operation machine. This operating machine, derrick 12 meters high, the maximum load of 4 tons, powered by a motor, all machines, including winches, motors, derrick, a total of only 1 tonne weight. With this type of small working machine, the production crew can perform simple workover operations on an immobile well string, such as retrieving a sucker rod, inspecting or replacing a subsea pump, without having to dispatch a crew.