As Shengli Chengdao subtidal oil field is exploited and its associated gas with crude oil mounts up.The gas gradually bears enough economic value to export.

• 随着胜利浅海埕岛油田开发,原油伴生气逐渐增多,渐渐具备外输的经济价值,为此,建设了埕岛中心二号天然气外输工程。