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济阳坳陷是中国东部一 个重要的中新 生代含油气盆 地，过去一直认 为该盆地为纯 张裂成因，但 近来盆地内负反 转构造的发现和研 究表明，该盆地在中生代发育早期 曾经历了负反转、正反转交替的发育 阶段，并总体呈现为负反转盆地特 征。本文研究了负反转构造 的类型和特征，识别出“薄底型”和 “秃底型”两类负反转褶皱和“似正 断层型”、“上 正下逆混合型 ”等两类、４ 小类 负反转断层；探讨了 盆地与负反转构造的形 成与演化，并指 出了其在盆地 成因、构造带演 化、复式油气 聚集带型式及 油气藏形成与预 测等诸多方面具有 的重要意义。
The Jiyang Depression is an important Mesozoic-Cenozoic petroliferous basin in the east of China. Historically, the basin was considered as purely fractured. However, recent discoveries and studies on the negative inversion structure in the basin show that the basin experienced the early Mesozoic development Negative inversion, positive and negative alternation of developmental stages, and overall presented as negative inversion basin features. In this paper, we study the types and features of negative inversion structures, and identify two types of negative inversion folds: “thin bottom” and “bald bottom”, two types of negative inversion folds such as “normal positive fault type” and " , And 4 sub-classes of negative inversion faults. The formation and evolution of the basin and negative inversion structure are discussed, and its formation and evolution in the basin genesis, tectonic evolution, multi-type hydrocarbon accumulation belt formation and hydrocarbon reservoir formation and prediction are pointed out Significance.