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2016年11月19日至24日,经过严格的现场检查和审核,涩宁兰复线通过竣工验收,正式投入生产。涩宁兰复线起自青海柴达木盆地涩北一号气田,止于甘肃省兰州市35号阀室,与涩宁兰输气管道全线并行敷设,并联运行。线路全长918.43 km,设计压力6.3 MPa,设计年输气量33亿m3。涩宁兰复线建成投产,提高了青海油田天然气外
November 19, 2016 to 24, after a rigorous on-site inspection and audit, Sembilan-line through the completion of acceptance, officially put into production. Astringent Ning Lan line from the Qaidam gas field in Qaidam Basin in Qinghai Province, ending in the valve room in Lanzhou City, Gansu Province 35, and parallel astringent Ning Lan gas pipeline laying parallel, running in parallel. The total length of the line is 918.43 km and the design pressure is 6.3 MPa. The designed annual gas transmission capacity is 3.3 billion m3. Semblance Ninglan double line completed and put into production, raising the Qinghai Oilfield natural gas outside