Features and Geologic Significance of Maceral Composition of Coal-Bearing Source Rocks in Xihu Sag
详细信息
- 责任者：Qian Menhui (Wuxi Research Institute of Petroleum Geology ; SINOPEC ; Wuxi 214126 ; China) ; Hou Dujie
- 刊名：Petroleum Geology & Experiment
- 出版年：2012
- 卷期：34(2)
- 关键词：煤系 ; coal measures ; 烃源岩 ; source rocks ; 东海 ; East China Sea
- 页码：p.182-185
- 图表：4 illus., 11 refs.
- 分类号：1003
- issnNo：ISSN1001-6112
- isbnNo：CN32-1151/TE
摘要
According to the studies of well HY14-1-1,the maceral composition of coal-bearing source rocks in the Xihu Sag was divided into 2 types including type Ⅰ mainly of vitrinite and type Ⅱ mainly of exinite and sapropelinite.The simulations of hydrocarbon generation of the above-mentioned types indicated that the type Ⅰ mainly generated liquid hydrocarbon while the type Ⅱ mainly generated gaseous hydrocarbon.The vertical and horizontal differences between the 2 types of coal-bearing source rocks led to the present distribution of petroleum in the Xihu Sag.
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