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根据东海四轮对外招标和近期部分工作成果,对东海陆架盆地新生代早期与前第三系含油气系统存在的可能性及其油气资源远景评价意义进行了初步分析。推测西湖—基隆 (台北 )凹陷带新生代盆地早期———古新统 (T4-T6)可能发育裂谷早期湖相或滨海湖相沉积体系 ,与已经钻探证实的长江—丽水 (瓯江 )凹陷带构成“二坳夹一隆”的沉积格局 ,认为该河湖沉积体系与前第三系含油气系统为陆架盆地区提供了更为广阔的油气资源远景评价和勘探空间。
According to the four rounds of bid invitation and some recent achievements in the East China Sea, the possibility of the Early Cenozoic and Tertiary Petroliferous systems in the East China Sea Shelf Basin and their prospective evaluation of oil and gas resources are analyzed. It is speculated that the Early-Paleocene (T4-T6) in the West Lake-Keelung (Taipei) sag zone may develop early rift lacustrine facies or coastal lacustrine facies sedimentation system, which is consistent with the proven Yangtze River- Lishui (Oujiang) The sag zone constitutes the sedimentary pattern of the “two Au Jiaolian Long”. It is believed that the sedimentary system of the river and lake and the former Tertiary petroliferous system provide a broader field for oil and gas exploration and exploration for the continental shelf basin.