Abstract: The natural gases discovered in the central Bohai Sea mainly composed of hydrocarbon gases, of which the the Paleogene and older reservoirs are wet gases, while the Neogene are dry gases.

• 文章摘要: 渤海海域中部地区已发现的天然气主要为烃类气体，成熟度为成熟高成熟，古近系及以下储集层中的天然气为湿气，新近系的天然气多为干气。