Discussion on Correlation between Microscopic Characteristics and Hydrocarbon Generation Potential of Source Rocks in Liaodong Bay Area
详细信息
- 责任者：Jiang Xue (Beijing Research Center ; CNOOC ; Beijing 100027 ; China) ; Zou Huayao
- 刊名：Fault-Block Oil and Gas Fields
- 出版年：2013
- 卷期：20(1)
- 关键词：烃源岩 ; source rocks ; 生烃潜力 ; hydrocarbon generating potential ; 辽东湾 ; Liaodong Bay
- 页码：p.19-23
- 图表：illus., 1 table, 35 refs.
- 分类号：1003
- issnNo：ISSN1005-8907
- isbnNo：CN41-1219/TE
摘要
Based on the characteristics analysis of bore specimen and microscope of rock core of source rock,this paper analyzes the rock types of hydrocarbon source rocks in Liaodong Bay Area.It also discusses the differences of hydrocarbon generation potential in the hydrocarbon source rocks with different microscopic characteristics through the pyrolysis gas chromatography analysis of thermolysis and kerogen of source rock.The results show that the three sets of Paleogene lacustrine source rocks in Liaodong Bay Area can be divided into four kinds: massive mudstone,calcareous massive mudstone,laminated mudstone and calcareous laminated mudstone.Among the four kinds of rocks above,the calcareous laminated mudstone with more n-alkanes and n-alkenes in molecular structure show the high hydrocarbon generation potential,and the massive mudstone with more aromatic hydrocarbon and cyclic alkanes subpeak in molecular structure present the low hydrocarbon generation potential.
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