Large-scale buried hill belt formed in Pre-Mesozoic is the advantaged area of oil and gas accumulation, but it is not an abundant area, and all kinds of buried hills near hydrocarbon depression are important places of prospecting.

• 济阳坳陷潜山型油气藏类型具有多样性、成带性,前中生代业已形成的大型潜山带是油气有利运聚方向,但不是整体富集带,而紧邻生油坳陷的各类潜山是勘探的重点部位。