Abstract: According to the degree of concealment, the main origin type and the profile form of hydrocarbon traps, a new classification for subtle traps has been made on the basis of predecessors work. It includes not only stratigraphic and lithologic reservoirs, but also paleo-structure trap reservoirs, syncline reservoirs and low permeability reservoirs being susceptible to damage, etc.. It is helpful for petroleum explorationist to expand research fields and to apply different methods by different types of subtle traps in hydrocarbon exploration.

Key words: reservoir classification, exploration method, subtle trap, stratigraphic trap, paleo-structure trap, syncline reservoir

摘要： 在前人研究基础上,依据圈闭的隐蔽性、圈闭的成因及形成圈闭的主导因素、圈闭的剖面形态,提出了一个新的隐蔽(圈闭)油气藏分类方案.方案不仅包括了常见的地层岩性油气藏,也包括了古构造油气藏、向斜油气藏、易伤害低渗透油气藏等多种特殊类型.这有利于勘探工作者开阔视野,并在勘探实践中根据不同的隐蔽油气藏类型,采取不同的勘探思路和方法.

关键词: 油气藏分类, 勘探方法, 隐蔽圈闭, 地层圈闭, 古构造圈闭, 向斜油气藏