中国东南海域指长江口启东嘴与济洲岛一线以南,莺歌海盆地以西,东至钓鱼岛隆褶带海域,整体呈NE-NNE向带状展布。地处欧亚板块、印度-澳大利亚板块和太平洋板块之间,是发育于前中生界基础之上的中新生代叠合盆地,受特提斯构造体系与太平洋构造体系双重影响。以往由于勘探技术和地震处理技术限制,油气勘探活 The southeastern China Sea refers to the NE-NNE belt distributed along the east of Qiangtze mouth and the island of Jeju Island, west of Yinggehai Basin, and east of the Diaoyu Daozong fold belt. Located between the Eurasian Plate, the Indo-Australian Plate and the Pacific Plate, Mesozoic-Cenozoic superimposed basins developed on the basis of the Mesozoic Mesozoic are influenced by both the Tethyan and the Pacific tectonics. In the past due to exploration technology and seismic processing technology limitations, oil and gas exploration activities