“游梁式抽油机—深井泵装置系统效率研究”系中国天然气总公司“七·五”科研计划项目。在我院机械系矿机教研室的努力下,经过四年多的时间,已全面完成了其研究试验工作,并于1990年6月通过了部级技术鉴定。 “Beam pumping unit - deep well pump system efficiency research” of China National Gas Corporation “seven · five” scientific research project. After more than four years’ hard work in the teaching department of mechanical mine machine in our institute, it completed its research and experiment in an all-round way and passed the ministerial technical appraisal in June 1990.