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由兰州石油机械研究所研制的前置式气动平衡抽油机已于1987年9月18日在长庆油田通过技术鉴定。鉴定会由国家机械委通用机械局主持,来自全国各油田、大学、研究所和工厂等14个单位的33名专家和代表在认真审查了设计、制造和测试等全部技术资料并观察和调试了已运行五千多小时的样机后,一致认为: 此种气动平衡抽油机是国内又一种新型节能采油设备,填补了国内前置式气动平衡抽油机的空
The front-mounted pneumatic balancing pumping unit developed by Lanzhou Petroleum Machinery Research Institute passed technical appraisal in Changqing Oilfield on September 18, 1987. The appraisal was presided over by the General Machinery Bureau of the State Machinery Commission. 33 experts and representatives from 14 units across the country, including oilfields, universities, research institutes and factories, carefully reviewed all the technical information on design, manufacture and testing and observed and debugged After more than 5,000 hours of operation, it has been agreed that this type of pneumatic balance pumping unit is another new type of energy-saving oil recovery equipment in China that has filled the vacant domestic front-mounted pneumatic balance pumping unit