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河南石油工程技术研究院三项新技术通过中国石化集团公司专家鉴定，一项技术达到国际先进水平，两项技术分别达到国内领先水平。由河南石油工程技术研究院研究开发的“大厚层细分开采技术”、“稠油吞吐井封堵调技术”、“高温高压有杆泵采油井下工具及管柱”三项技术，近日分
Three new technologies of Henan Petroleum Engineering Research Institute have been certified by experts of China Petrochemical Corporation. One of the technologies has reached the international advanced level and the two technologies have respectively reached the leading level in China. By the Henan Institute of Petroleum Engineering Research and Development of “large thick subdivision mining technology”, “heavy oil huff and puff blocking technology”, “high temperature and pressure rod pump production underground tools and pipe string” three technologies, the recent points