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Lower Paleozoic hydrocarbon accumulation conditions of Middle Uplift in Southern Yellow Sea Basin

机译：南黄海盆地中隆起的低古生代烃累积条件

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Guided by the theory of petroleum system, we analyzed the Lower Palaeozoic hydrocarbon accumulation elements and conditions of the Middle uplift of Southern Yellow Sea Basin and concluded the hydrocarbon accumulation pattern. The results showed that: the source rock of lower Palaeozoic in the Middle uplift of Southern Yellow Sea Basin consists of the dark mudstone and carbonate rock;;carbonate rock is the main favorable reservoir followed by clastic rock;;there are three source-reservoir-cap assemblages;;the source rock of Lower Palaeozoic has experienced two hydrocarbon generation stages which are late Silurian and late Middle Triassic;;hydrocarbon generated by Lower Palaeozoic source rock can only migrate to the traps near the center of hydrocarbon generation by sandbody and cracks in a short distance;;lithologic trap and broad anticlinal trap are the main types in the study area. Through the above analysis, we conclude two accumulation patterns of Lower Palaeozoic in the Middle uplift of Southern Yellow Sea Basin.
机译：由石油系统理论为指导，我们分析了南黄海盆地中隆的古生代烃累积元素和条件，结论了碳氢化合物累积模式。结果表明：南黄海盆地中隆的低古生代源岩由黑暗的泥岩和碳酸盐岩组成;碳酸盐岩石是主要的有利水库，其次是碎屑岩;有三个来源 - 水库 - 帽组合;;低古生代的源岩已经经历了两种碳氢化合物产生阶段，这些阶段是晚期硅藻土和后期三叠纪的;;由低古生物源岩产生的碳氢化合物只能迁移到砂体和裂缝中的碳氢化合物中心附近的陷阱短距离;;岩性陷阱和宽阔的抗线陷阱是研究区的主要类型。通过上述分析，我们在南黄海盆地中隆起的下古生代的两种积累模式得出结论。

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