中俄两国于2009年2月17日在北京签署了7个能源合作文件,其中包括中国石油天然气集团公司与俄罗斯石油公司、俄罗斯管道公司分别签署的长期原油供销合同。当日签署的文件还包括俄罗斯石油公司、管道公司与中国国家开发银行的贷款协议以及中俄边境相关输油管道的建设运营协议。据 China and Russia signed seven energy cooperation documents in Beijing on February 17, 2009, including long-term crude oil supply and marketing contracts signed by China National Petroleum Corporation and Rosneft and Russian pipeline companies respectively. The documents signed on the same day also included the loan agreement between Rosneft, the pipeline company and the China Development Bank and the construction and operation agreement of the Sino-Russian border-related oil pipeline. according to