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针对沧东凹陷,依托孔南1760km2三维地震连片处理数据体,在构造解释的基础上,深化沧东凹陷第三系基本成藏条件研究,构建油气成藏模式,形成了沧东凹陷以孔店组为主要含油层系,构造带主体不同层系大面积叠置含油连片,凹陷及斜坡区孔二段自生自储大面积连片含油,沙河街组自生自储形成低熟油气藏的油气富集模式。指出斜坡区孔二段是岩性地层油藏勘探的现实领域,并取得良好的应用效果。
For Cangdong depression, relying on the data of 1760km2 3D seismic contiguous processing in Kongnan, on the basis of tectonic interpretation, deepening the study of the basic reservoir forming conditions in the Cangdong depression and constructing the hydrocarbon accumulation mode, The shop group is mainly composed of oil-bearing strata, and oil-bearing contiguous layers are overlaid on different layers in the main body of the structural belt. The second member of wells in the depression and slope area is self-generating and self-storing large area contiguous oil, and the Shahejie Formation spontaneously accumulates to form low-mature oil and gas reservoirs Oil and gas enrichment model. It is pointed out that the second member in the slope area is a realistic field of lithologic stratigraphic exploration and has achieved good application results.