| Hydrocarbon—Generating Characteristics of Barkinite—Rich Colas from Late Permian Longtan Formation ,South China |
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| 引用本文： | 孙旭光.Hydrocarbon—Generating Characteristics of Barkinite—Rich Colas from Late Permian Longtan Formation ,South China[J].中国地球化学学报,2000,19(3):227-232. |
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| 作者姓名： | 孙旭光 |
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| 作者单位： | DepartmentofGeology,PekingUniversity,Beijing100871,China |
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| 摘 要： | Leping coal (including barkinite-rich coal) is a unique kind of coal,which is widely distrbuted in the Late Permian Longan Formation,South China,In this paper,ROck-Eval,Py-GC and simulation experiment via an open-system were used to study the hydrocarbon-generating potential,hydrocarbon composition.and hydrocarbon-generating model of barkiniterich coals from the shuicheng coal field of Guizhou Province,Southwest China.The results show that barkinite-rich coals have high hydrocarbon-generating potential,with S1 S2 being 211-311mg/g,and can produce large amounts of hydrocorbon at the high-maturity stage,mostly within the temperature range of 420-450℃(corresponding to VR0 1.1-1.5%);barkinite-rich coal is one of the better oil sources and light hydrocarbon and wet gas are the major hydrocarbon components,which account for 45% and 33% of the total hydrocarbons.respectively.These characteristics are of importance for exploring oil and gas resources in the Late permian Longtan Formation coals,southwest China.
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| 关 键 词： | 西南地区 中国 碳氢化合物 势能 成困 煤矿床 |
| 收稿时间： | 28 August 2005 |
Hydrocarbon-generating characteristics of barkinite-rich coals from Late Permian Longtan Formation, South China |
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| Xuguang Sun.Hydrocarbon-generating characteristics of barkinite-rich coals from Late Permian Longtan Formation, South China[J].Chinese Journal of Geochemistry,2000,19(3):227-232. |
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| Authors: | Xuguang Sun |
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| Institution: | (1) Key Laboratory of Resource Exploration Research of Hebei Province, Hebei University of Engineering, Guangmingnan Street 195, Handan, Hebei, 056038, China |
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| Abstract: | Leping coal (including barkinite-rich coal) is a unique kind of coal, which is widely distributed in the Late Permian Longtan Formation, South China. In this paper, Rock-Eval, Py-GC and simulation experiment via an open-system were used to study the hydrocarbon-generating potential, hydrocarbon composition, and hydrocarbon-generating model of barkiniterich coals from the Shuicheng coal field of Guizhou Province, Southwest China. The results show that barkinite-rich coals have high hydrocarbon-generating potential, with S1 + S2 being 211 – 311mg/g, and can produce large amounts of hydrocarbon at the high-maturity stage, mostly within the temperature range of 420 – 450°C (corresponding to VR0 1.1 – 1.5%); barkinite-rich coal is one of the better oil sources and light hydrocarbon and wet gas are the major hydrocarbon components, which account for 45% and 33% of the total hydrocarbons, respectively. These characteristics are of importance for exploring oil and gas resources in the Late Permian Longtan Formation coals, Southwest China. |
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