东营凹陷是中国东部中、新生代渤海湾裂谷盆地中济阳坳陷的一个次级构造盆地,它具有北断南超、盆地基底北陡南缓的特点。东营凹陷北带包括利津与民丰两个洼陷,坨-胜-永断裂带,及其以北的陡坡带部位,它是东营凹陷主要油气聚集区之一。东营凹陷北部陡坡带是 Dongying Sag is a sub-tectonic basin in the middle and new Cenozoic Bohai Bay rift basin in the Zhongjiyang depression. It has the characteristics of a north-south and a south-easterly base in the basin. The northern part of Dongying Depression includes two depressions of Lijin and Minfeng, Tuo-Sheng-Yong fault zone and the steep slope zone to the north of it. It is one of the major hydrocarbon accumulation areas in Dongying Depression. The northern steep slope of Dongying depression is