1 发展状况胜利石油管理局从1966年就开始了链条抽油机的研制工作,LCJ12—5型链条抽油机(以下简称链条机)于1980年获国家发明二等奖.1988年获得石油部技术进步二等奖.自1987年大面积推广以来,迄今为止,该机已遍及胜利、江苏、大港、辽河、玉门、长庆等全国11个油田,共装机2000余台,成为除游梁机外我国的第二大机型. 1 Development Shengli Petroleum Administration started the development of chain pumping unit in 1966. The LCJ12-5 chain pumping unit (hereinafter referred to as the chain machine) won the second prize of national invention in 1980. In 1988, it obtained the title of " The second prize of technological progress since 1987 large-scale promotion, so far, the aircraft has been throughout the victory, Jiangsu, Dagang, Liaohe, Yumen, Changqing and other 11 oil fields across the country, a total installed capacity of more than 2000 units, in addition to beam Outside the machine’s second largest model in China.