| 鄂尔多斯盆地上古生界克拉通 坳陷盆地煤成气成藏机制 |
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| 引用本文： | 汪泽成,陈孟晋,王震,唐泽玮. 鄂尔多斯盆地上古生界克拉通 坳陷盆地煤成气成藏机制[J]. 石油学报, 2006, 27(1): 8-12. DOI: 10.7623/syxb200601002 |
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| 作者姓名： | 汪泽成 陈孟晋 王震 唐泽玮 |
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| 作者单位： | 1. 中国石油勘探开发研究院 北京 100083;2. 中国地质大学 北京 100083 |
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| 基金项目： | 国家重点基础研究发展计划(973计划) |
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| 摘 要： | 克拉通坳陷型含煤盆地具有构造稳定、沉积速率低、煤层分布广、温度场和压力场渐变式演化以及构造变形微弱等特点.以鄂尔多斯盆地上古生界为例,采用德国IES公司含油气系统PetroMod模拟软件,对煤成气成藏过程进行了模拟.坳陷型含煤盆地煤成气藏的成藏特性表现为:岩性气藏为主;气源灶呈"广覆式"分布;以近距离垂向运移为主、侧向运移为辅;叠置的砂体和裂缝发育带构成优势运移通道.
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| 关 键 词： | 鄂尔多斯盆地 克拉通坳陷 含煤盆地 煤成气 成藏机制 模拟 |
| 文章编号： | 0253-2697（2006）01-0008-05 |
| 收稿时间： | 2005-04-04 |
| 修稿时间： | 2005-04-042005-09-09 |
Simulation analysis on formation mechanism of coal-formed gas reservoir in intercratonic depression of the Upper Paleozoic in Ordos Basin |
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| Wang Zecheng,Chen Mengjin,Wang Zhen,Tang Zewei. Simulation analysis on formation mechanism of coal-formed gas reservoir in intercratonic depression of the Upper Paleozoic in Ordos Basin[J]. Acta Petrolei Sinica, 2006, 27(1): 8-12. DOI: 10.7623/syxb200601002 |
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| Authors: | Wang Zecheng Chen Mengjin Wang Zhen Tang Zewei |
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| Affiliation: | 1. Research Institute of Petroleum Exploration and Development, CNPC, Beijing 100083, China;2. China University of Geosciences, Beijing 100083, China |
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| Abstract: | The intercratonic coal-bearing basins are characterized by slow sedimentary ratio, broadly distributed coal beds,gradual evolution mode of temperature and pressure,as well as weak structural deformation. Taking the Upper Paleozoic of Ordos Basin as an example, the forming process of coal-formed gas reservoir was simulated by PetroMod software. The results show that the lithologic gas reservoirs are dominant in the intercratonic coal-bearing basins. The source kitchen of the coal-formed gas is distributed broadly. The migration pathway of natural gas is short, and there is mainly the vertical migration, while the horizon migration is minority. Superimposed sand bodies and fracture-developed zones are the dominant carriers of gas migration. |
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| Keywords: | Ordos Basin intercratonic depression coal-bearing basin coal-formed gas reservoir-forming mechanism simulation |
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