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近年来,随着干酪根生油理论的进展,人们对石油的演化(即石油的生成、发展以至氧化变质)极为重视。不同学者在不同地区进行了广泛的研究。他们在对石油演化阶段的划分、各阶段临界温度的确定、原油组成特性的变化等诸方面都取得了重大的进展,初步建立了石油演化模型。但上述研究大多侧重在海相及河口三角洲相生油环境。对于象我国这种有特征性的陆相生油盆地研究甚少。本文拟在对典型地段进行解剖的基础上,结合人工模拟实验,探讨渤海湾盆地黄骅拗陷石油的演化特征。
In recent years, with the progress of the theory of kerogen oil generation, people attach great importance to the evolution of petroleum (that is, the formation, development and oxidation of petroleum). Different scholars conducted extensive research in different regions. They have made significant progress in the division of stages of oil evolution, the determination of the critical temperature in all stages and the changes in the compositional characteristics of crude oil, and have initially established the petroleum evolution model. However, most of the above studies focus on the oil-producing environment in the marine and estuarine delta. There are very few studies on the characteristic continental oil-bearing basins like ours. Based on the anatomy of typical sites and the artificial simulation experiments, this paper explores the evolution characteristics of petroleum in the Huanghua depression in Bohai Bay Basin.