| Geochemicalcharacteristics and applications of 18a (H)-neohopanes and 17a (H)-diahopanes |
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| 引用本文： | Fig. 7. Variation in C29Ts/(C29Ts+C29Hop.)orTs/(Ts+Tm) value with RAHIc ratio in oils from Haltenbanken area,offshore Norway. Data are indexed from ref. [14]; RAHIc, C30 diahopa- ne/(C30 diahopane+C29 hopane).. Geochemicalcharacteristics and applications of 18a (H)-neohopanes and 17a (H)-diahopanes[J]. 科学通报(英文版), 2000, 45(19): 1742-1748. DOI: 10.1007/BF02886257 |
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| 作者姓名： | Fig. 7. Variation in C29Ts/(C29Ts+C29Hop.)orTs/(Ts+Tm) value with RAHIc ratio in oils from Haltenbanken area,offshore Norway. Data are indexed from ref. [14] RAHIc, C30 diahopa- ne/(C30 diahopane+C29 hopane). |
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| 作者单位： | WANG Chunjiang(State Key Laboratory of Organic Geochemistry,Guangzhou Institute of Geochemistry,Chinese Academy of Sciences,Guangzhou 510640,China;Department of Geosciences,Petroleum University,Beijing 102200,China);FU Jiamo,SHENG Guoying(State Key Laboratory of Organic Geochemistry,Guangzhou Institute of Geochemistry,Chinese Academy of Sciences,Guangzhou 510640,China);XIAO Qianhua,LI Jinyou,ZHANG Yali,PIAO Mingzhi(Institute of Petroleum Exploration and Exploitation,Liaohe Bureau of Petroleum Exploration,Panjin 240000,China) |
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| 基金项目： | 辽河石油勘探局项目，中国科学院资助项目 |
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| 摘 要： |
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| 收稿时间： | 2000-03-20 |
Geochemical characteristics and applications of 18α(H)-neohopanes and l7α(H)-diahopanes |
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| Chunjiang Wang,Jiamo Fu,Guoying Sheng,Qianhua Xiao,Jinyyou Li,Yali Zhang,Mingzhi Piao. Geochemical characteristics and applications of 18α(H)-neohopanes and l7α(H)-diahopanes[J]. Chinese science bulletin, 2000, 45(19): 1742-1748. DOI: 10.1007/BF02886257 |
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| Authors: | Chunjiang Wang Jiamo Fu Guoying Sheng Qianhua Xiao Jinyyou Li Yali Zhang Mingzhi Piao |
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| Affiliation: | (1) State Key Laboratory of Organic Geochemistry, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, 510640 Guangzhou, China;(2) Department of Geosciences, Petroleum University, 102200 Beijing, China;(3) Institute of Petroleum Exploration and Exploitation, Liaohe Bureau of Petroleum Exploration, 240000 Panjin, China |
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| Abstract: | Distributions and geochemical significances of 18α(H)-neohopanes and of 17α(H)-diahopanes in oils from west Xialiaohe depression of the Bohai Bay Basin have been studied. Relative abundance of 18α(H)-neohopanes and of 17α(H)-diahopanes can be effectively used as maturity parameters, in a range of medium-high mature stage, based on consideration on sedimentary-organic facies of source rocks. With a dual geochemical significance of maturity and sedimentary-organic facies, neohopane and diahopane parameters can be well used in oil-source correlation and in petroleum population division. Formation, primary concentration and preservation of precursors of rearranged hopanes are closely related to depositional conditions such as Eh-pH and clays content. A series of probable diahopanes (series D) was detected in the oils, which exhibits a similar distribution pattern and geochemical behavior as that of 17α(H)-diahopanes (series B). |
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| Keywords: | 18α (H)-neohopane l7α (H)-diahopane maturity sedimentary-organic facies |
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