STRATIGRAPHIC GEOLOGIC ATTRIBUTE AND HYDROCARBON GEOLOGY IN LAOSHAN UPLIFT OF SOUTH YELLOW SEA
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摘要: 应用地震地层学研究方法,对近几年重新采集、处理的地震剖面进行综合解释,同时,结合与下扬子地块的区域地质对比,建立崂山隆起地层层序格架,确定其地层地质属性,分析其地层分布规律和油气地质特征。研究认为崂山隆起海相下构造层分布稳定,残留厚度较大,烃源丰富,保存条件较好,具备形成大型油气藏的油气地质条件,是潜在的油气勘探目标。Abstract: In recent years, the first effective seismic reflection received in Laoshan uplift of middle South Yellow Sea brought the hydrocarbon exploration potentials into focus.Seismic stratigraphy method has been used to interpret the seismic profiles re-acquired and re-processed these years, and according to the regional geological comparison with Yangtze plate, we established the framework of seismic sequence of Laoshan uplift, calibrated the stratum geologic attribute, and analyzed stratum distribution law and hydrocarbon geologic features in Laoshan uplift.The study results suggested that the lower marine structural layer in Laoshan uplift has a steady distribution as well as a huge residual thickness,abundant hydrocarbon sources and good preservation conditions. Therefore,Laoshan uplift has hydrocarbon geologic conditions of major hydrocarbon reservoirs, and should be the potential target for future hydrocarbon exploration.
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