Characteristics of Organic Geochemistry of Lucaogou Formation Source Rocks, Upper Permian, Santanghu Basin
详细信息
- 责任者：Wang Zuodong (Key Laboratory of Petroleum Resources Research ; Chinese Academy of Sciences ; Lanzhou 730000 ; China) ; Tao Mingxin
- 刊名：Acta Sedimentologica Sinica
- 出版年：2012
- 卷期：30(5)
- 关键词：烃源岩 ; source rocks ; 新疆 ; Xinjiang
- 页码：p.975-982
- 图表：4 illus., 3 tables, 26 refs.
- 分类号：1003
- issnNo：ISSN1000-0550
- isbnNo：CN62-1038/P
摘要
Upper Permian Lucaogou Formation of Santanghu Basin with a wide distribution, large thickness, high organic carbon content,and good hydrocarbon potential, was the main source rocks in the basin. Soluble organic matter from rock samples contains rich carbonyl compounds such as fatty acids, fatty acid esters,etc. The indicators of saturated hydrocarbon showed that the depositional environment of source rocks was the salinity lake, reduction conditions. The input of the parent material dominated by aquatic organisms,terrestrial input less. A lot of evidence indicated that bacteria entered the organic matter deposition during the early diagenesis stages and formed part of the original organic matter. Bacteria transformed the original organic matter and produced the aforementioned carbonyl compounds,hydrocarbons could be generated in the thermal effect and affection of micro-organisms.
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