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题名:
DISTRIBUTION AND ISOMERIZATION OF TERPANES IN PYROLYZATES OF LIGNITE AT HIGH PRESSURES AND TEMPERATURES
作者: Wang, ChuanYuan(王传远)2,3; Du, Jianguo1; Wang, Wanchun3; Wu, Baoxiang3; Zhou, Xiaocheng1
刊名: JOURNAL OF PETROLEUM GEOLOGY
出版日期: 2012-10-01
卷号: 35, 期号:4, 页码:377-387
关键词: High temperature and pressure ; lignite ; terpane ; organic matter maturation ; isomerization ; experimental pyrolysis ; mantle rocks ; retardation
DOI: 10.1111/j.1747-5457.2012.00536.x
产权排序: [Du, Jianguo; Zhou, Xiaocheng] China Earthquake Adm, Inst Earthquake Sci, Beijing 100036, Peoples R China.;[Wang, Chuanyuan] Chinese Acad Sci, Yantai Inst Coastal Zone Res, Yantai 264003, Peoples R China.;[Wang, Chuanyuan; Wang, Wanchun; Wu, Baoxiang] Chinese Acad Sci, Inst Geol & Geophys, Lanzhou Res Ctr Oil & Gas Resources, Lanzhou 730000, Peoples R China.
通讯作者: Du, JG (reprint author),Show the Organization-Enhanced name(s) China Earthquake Adm, Inst Earthquake Sci, Beijing 100036, Peoples R China.E-mail:jianguodu@hotmail.com
作者部门: 污染过程与控制实验室
英文摘要: Experimental pyrolysis of Eocene lignite in the presence of water was conducted in a closed system for a heating duration of 120 min at temperatures of 400, 500, 600 and 700 degrees C and pressures of 1 to 3 GPa (equivalent to burial depths of about 30 to 100 km). The distribution of terpanes in the resulting pyrolysates was analyzed in order to investigate the effects of pressure and temperature on maturation of organic matter for this heating time at mantle depths. The results indicate that terpanes show more mature characteristics with increasing temperature at a given pressure. However, high pressures significantly retarded the thermal evolution of organic matter. Also, high pressures had a non-linear effect on maturation, resulting in anomalous variations of maturity parameters and ratios (tricyclics / hopanes, Ts/Tm, C3122S / (22S+22R), and beta a-moretane /a beta-hopanes). In addition, the isomerization of hopanes at the C-22 position did not reach typical end-point values, even at 700 degrees C. These results are a preliminary step towards a better understanding of organic matter maturation and oil and gas exploration in high temperature and pressure regimes.
研究领域[WOS]: Geology
项目资助者: National Natural Science Foundation of China 40806048 40873049 ; Key Projects in the Yantai Science & Technology Pillar Program 2011060
关键词[WOS]: ORGANIC-MATTER MATURATION ; OVERPRESSURE RETARDATION ; PETROLEUM GENERATION ; ARTIFICIAL MATURATION ; VITRINITE REFLECTANCE ; DEEP LITHOSPHERE ; KINETIC-MODEL ; SOURCE ROCKS ; CRUDE OILS ; CHINA
文章类型: Article
收录类别: SCI
语种: 英语
WOS记录号: WOS:000309068500004
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.yic.ac.cn/handle/133337/5697
Appears in Collections:污染过程与控制实验室_期刊论文

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作者单位: 1.China Earthquake Adm, Inst Earthquake Sci, Beijing 100036, Peoples R China
2.Chinese Acad Sci, Yantai Inst Coastal Zone Res, Yantai 264003, Peoples R China
3.Chinese Acad Sci, Inst Geol & Geophys, Lanzhou Res Ctr Oil & Gas Resources, Lanzhou 730000, Peoples R China

Recommended Citation:
Wang, Chuanyuan,Du, Jianguo,Wang, Wanchun,et al. DISTRIBUTION AND ISOMERIZATION OF TERPANES IN PYROLYZATES OF LIGNITE AT HIGH PRESSURES AND TEMPERATURES[J]. JOURNAL OF PETROLEUM GEOLOGY,2012,35(4):377-387.
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