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Vertical Distribution and Geochemical Behaviours of the Hydrocarbon Source Rocks in the North Section of Longmen Mountains
Author(s): 
Pages: 21-23
Year: Issue:  5
Journal: NATURAL GAS INDUSTRY

Keyword:  龙门山北段烃源岩有机质丰度类型成熟度生物标志化合物;
Abstract: 文章对龙门山北段震旦系-侏罗系的岩性特征、有机质丰度、有机质类型、氯仿沥青"A"含量、族组成、有机质成熟度、生物标志化合物等地化特征进行了论述,指出龙门山北段上三叠统、上二叠统、下二叠统、下寒武统以及震旦系是主要的烃源岩层系;探讨了龙门山北段的油气成藏模式:震旦系-石炭系的油气来源于下寒武统和震旦系;二叠系的油气源于其自身;三叠系有其自身的油气,也有来自于二叠系的油气;厚坝油砂岩中的油、江油渔洞梁飞仙关组的油以及矿山梁沥青脉有共同的油气来源.
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