最近建成投运的东海天然气工程,是上海燃气结构的重大调整,从此上海市民用上了高效、洁净、无毒优质的天然气。整个工程分上、下游两部分,上游工程包括海上综合钻井平台、天然气处理厂,原油中转站、海底输气管线和生产指挥中心;下游工程包括首站、门站、长输管线、城市输配系统、事故气源备 The Donghai Natural Gas Project, which was recently completed and put into operation, is a major adjustment of Shanghai’s gas structure. From then on, Shanghai’s civilians have used natural gas that is efficient, clean, and non-toxic. The entire project is divided into upper and lower parts. The upstream projects include offshore integrated drilling platforms, natural gas processing plants, crude oil transfer stations, submarine gas pipelines and production command centers; downstream projects include first stations, portal stations, long-distance pipelines, and urban transmission and distribution. System, accident source preparation