Geochemical Characteristics and Distribution Rules of Oil Shale from Yanchang Formation, Southern Ordos Basin
详细信息
- 责任者：Deng Nantao (State Key Laboratory of Petroleum Resources and Prospecting ; China University of Petroleum ; Beijing 102249 ; China) ; Zhang Zhihuan
- 刊名：Petroleum Geology & Experiment
- 出版年：2013
- 卷期：35(4)
- 关键词：油页岩 ; oil shale ; 有机地球化学 ; organic geochemistry ; 鄂尔多斯盆地 ; Ordos Basin
- 页码：p.432-437
- 图表：illus., 4 tables, 19 refs.
- 分类号：1003
- issnNo：ISSN1001-6112
- isbnNo：CN32-1151/TE
摘要
Based on the geochemical features and logging data of dark mudstone,carbonate mudstone and oil shale samples from different layers of the Yanchang Formation in the southern Ordos Basin(including Zhengjing,Binchang,Xunyi and Fuxian areas),the identification markers and distribution characteristics of oil shale have been investigated.The result shows that there are significant differences in biomarker characteristics,hydrocarbon gene-ration potential and logging electrical characteristics.Oil shale has typical geochemical and geophysical composite identification marks.The distribution of oil shale is significantly controlled by sedimentary environment.Deep or semi-deep lacustrine facies which is near to the center of lake basin is the main development zone for oil shale.
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