Geochemistry and genesis on saturated hydrocarbon of crude oils in Gas Hure Oilfield in Qaidam Basin |
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| Authors: | MO Xiaoye ZHANG Min |
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| Institution: | MO Xiaoye1,2 and ZHANG Min1,2 1.Department of Geochemistry,Yangtze University,Jingzhou 434023,Hubei,China,2.Key Laboratory of Exploration Technologies for Oil and Gas Resources,Ministry of Education |
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| Abstract: | Gas Hure Oilfield is the biggest one in the Qaidam Basin.Through intensive sampling and GC-MS analysis,the authors analyzed the geochemical characteristics of the crude oils in the Gas Hure Oilfield.The results show that the crude oils have even-odd carbon predominance for n-alkanes.In shallow reservoir,part of crude oils suffered biogenic degradation.As for normal oils,they have low Pr/Ph ratios with abundant gammacerane and C35 homohopane,which indicate that the crude oils are formed in strong reducing sa... |
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| Keywords: | Qaidam Basin Gas Hure Oilfield crude oil saturated hydrocarbon geochemical characteristics |
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