草桥广饶潜山位于东营凹陷南斜坡南段 ,发育于印支运动末期。该潜山由于处于构造高部位 ,受多期构造运动影响 ,断层及不整合面发育 ,具有良好的油气运移通道 ,沙河街组四段烃源岩生成的油气多沿此运移至潜山成藏。奥陶系为主要储集层 ,储集空间主要为裂缝、溶蚀孔、洞。区域盖层为馆陶组、沙河街组四段及孔店组的泥岩层。溶蚀作用、潜山构造形态及盖层的分布是决定潜山能否成藏的主控因素。目前 ,该潜山已发现了顶部和内幕两类油气藏 Caoqiao Guangrao buried hill is located in the south slope of Dongying depression southern section, developed in the Indo-Chinese Movement late. Due to its high tectonic height, affected by multi-tectonic movement, faults and unconformities, the buried hill has good hydrocarbon migration channels. Hydrocarbons generated from the source rocks of the fourth member of Shahejie Formation are mostly transported to the buried hill Accumulation. Ordovician as the main reservoir, the main reservoir space for cracks, corrosion holes, holes. The regional cap rocks are mudstone layers of the Guantao Formation, the Shahejie Formation Member 4 and the Kongdian Formation. Dissolution, buried hill structure and distribution of cap rocks are the main controlling factors that determine whether buried hills can accumulate. At present, the buried hill has discovered two types of top and bottom oil and gas reservoirs