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在东濮凹陷东南部的盆地构造岩相带分析中,发现单断式盆地有三种对沉积体系、油气分布及盆地本身演化具有控制作用的正断层:犁式边界断层、箕式边界断层和多米诺式断层。它们分别形成了犁式河湖充填模式、箕式扇体充填模式和多米诺式三角洲—重力流充填模式;前者制约着生油洼陷的发育和盆地的生油潜力,后两者主要控制着油气聚集区的发育。
In the analysis of basin structural lithofacies in the southeastern Dongpu Depression, we find that there are three normal faults that have control over sedimentary system, hydrocarbon distribution and basin evolution in single fault basin: plow boundary fault, Fault. They form plow-type rivers and lakes filling mode, Kei fan filling mode and domino delta-gravity flow filling mode respectively. The former restricts the development of oil-deficit and the potential of oil generation in the basin. The latter two mainly control the oil and gas Aggregation area development.