关键词: 渤海, 滩海, 上第三系, 中国海域, 油气勘探

Abstract:

:Bohai Bay basin has the same conditions for oil and gas generation and accumulation .It is a large rift basin composed of the continental and sea parts .The deposit center had moved tow ards the cent ral part of the sea , and more and better reservoir layers of newer ages were developed tow ards the eastern area .The areas fo r increasing oil reserve and production in the recent period are in the central Bohai depression of the Bohai Bay Basin and ext remely shallow sea .The recent exploration progress show s that the deposition centers nearby of fsho re basin and continental basin in the Cenozoic age had been moved outw ards with the time .Therefore , the exploration should be carried out in the southern Yellow Sea and upper continental slope in the no rthern South China Sea , and explorat ion of estern belt in East Sea Basin should be enhanced .

Key words: Bohai sea , shoal sea , paleogene , of fsho re of China , oil and gas exploration