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位于山东半岛东北部的北黄海盆地沿东北方向可以延伸到朝鲜的西朝鲜湾盆地和安州盆地 ,而沿西南方向可以延伸到中国的胶莱盆地。长期以来该盆地的找油重点为第三系 ,结果收效甚微。2 0世纪 80年代末朝鲜在西朝鲜湾靠北黄海盆地一侧钻井数口且在中生代地层中发现了商业性油气流 ,自此中生代地层替代新生代第三纪地层成为人们关注的焦点 ,人们希望在北黄海盆地的中生代地层中也能找出商业性油气流。本文以李四光 ( 1 979)划分的新华夏系第二隆起带理论为指导 ,将胶莱盆地、北黄海盆地、西朝鲜湾盆地和安州盆地作为一个整体进行考虑 ,在详细分析了安州盆地、西朝鲜湾盆地和胶莱盆地的中生代地层分布、油气潜力及其类比关系后认为 ,北黄海盆地在基底结构及其上覆盖层的沉积特征上应具有与安州盆地、西朝鲜湾盆地和胶莱盆地相似的特征。目前 ,西朝鲜湾盆地和胶莱盆地在中生代地层中已取得重要的油气发现和油气显示 ,而它们主要是由下白垩统和上侏罗统组成。因此 ,我们有理由相信 ,北黄海盆地的中生代地层很可能成为有远景的勘探靶区。
The North Yellow Sea Basin, located in the northeastern Shandong Peninsula, extends northeastward to the North Korea’s West Korea Bay Basin and the Anzhou Basin, while extending southwestward to the Jiaolai Basin in China. For a long time, the focus of oil exploration in the basin was Tertiary, with little result. In the late 1980s, North Korea drilled several wells in the North Korean Yellow Sea and relied on the Mesozoic strata in the North Yellow Sea basin. Since the Cenozoic strata replaced the Cenozoic Tertiary strata, people became the focus of attention It is hoped that commercial oil and gas flows can also be found in the Mesozoic strata in the North Yellow Sea Basin. Guided by the theory of the second uplift of Neogene Cathaysian, which is divided by Li Siguang (1979), the paper takes the Jiaolai Basin, the North Yellow Sea Basin, the West Korean Peninsula Basin and the Anzhou Basin as an example. After a detailed analysis of the Anzhou Basin , The distribution of the Mesozoic stratigraphic distribution, hydrocarbon potential and their analogies in the West Korea Bay Basin and the Jiaolai Basin, it is considered that the sedimentary characteristics of the North Yellow Sea basins and the overburden should have the same features as those of the Anzhou Basin, the West Korean Gulf Basin and the Similar features of the Jiaolai Basin. At present, the West Korean Gulf Basin and the Jiaolai Basin have made important oil-gas discoveries and hydrocarbon displays in Mesozoic strata, and they are mainly composed of Lower Cretaceous and Upper Jurassic. Therefore, we have reason to believe that the Mesozoic strata in the North Yellow Sea Basin are likely to become prospective exploration targets.