TYPE AND EVOLUTION MODEL OF CONTINENTAL KEROGEN IN THE SONGLIAO BASIN
TYPE AND EVOLUTION MODEL OF CONTINENTAL KEROGEN IN THE SONGLIAO BASIN
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DOI：
10.1360/yb1982-25-3-304
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发表时间：
1982-03
影响因子：
9.6
通讯作者：
Y. Wanli;Li Yongkang;G. Ruiqi;Gu Qingfu
中科院分区：
文献类型：
--
作者：
Y. Wanli;Li Yongkang;G. Ruiqi;Gu Qingfu
在综合指数的基础上，对松辽盆地干酪根进行了分类，并将其划分为四个成烃阶段。本文提出了一个不同于前人提出的大型湖盆油气演化模型。本文指出，在大型富营养化湖泊长期下沉的深水构造洼地中，在快速、非补偿条件下形成的源岩具有最高的含油气潜力。阐述了松辽盆地“复合型”腐泥型干酪根(Ⅰ)的热演化和含油气特征，预测了松辽盆地具有良好的勘探前景。
Based on some composite indices, this paper proposes a classification of kerogen in theSongliao Basin and the four stages of hydrocarbon formation. A model of the evolution ofhydrocarbons in a large lake basin different from the model previously suggested ispresented. It is pointed out hi this paper that in a long subsiding, deep-water structural de-pression of a large eutrophic lake, the source rock formed under rapid, non-compensatoryconditions has the highest potential for petroleum. The thermal evolution of "combined"sapropelic kerogen (type Ⅰ) and the characteristics of petroleum formation are illustrated,The authors predict that the Songliao Basin is promising for further exploration.