| 烃浓度盖层封闭天然气的有效性及其研究意义 |
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| 引用本文： | 严俊君,金之钧.烃浓度盖层封闭天然气的有效性及其研究意义[J].沉积学报,1997,15(1):141-151. |
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| 作者姓名： | 严俊君 金之钧 |
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| 作者单位： | 大庆石油学院, 安达市 151400 |
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| 摘 要： | 本文在烃浓度盖层封闭机理及其形成地质条件分析的基础上，通过烃浓度盖层封闭能力形成时期的确定，利用其与气源岩排气门限的匹配关系，探讨了烃浓度盖层封闭天然气的有效性。烃浓度盖层封闭能力形成时期只有早于或相近于气源岩排气门限时，才能有效地封闭气源岩排出呈分子扩散相运移的天然气；否则其封闭的有效性变差。并以松辽盆地三肇凹陷青山口组烃浓度盖层对下伏侏罗系气源岩天然气封闭的有效性为例进行分析，阐明其在天然气远景资源评价中的重要意义。
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| 关 键 词： | 烃浓度盖层 封闭有效性 封闭能力形成时期 气源岩排气门限 青山口组 侏罗系 |
| 收稿时间： | 1996-06-12 |
The Features of the Sanshui Relict Basin and Its Conditions of Petroleum Geology,Guangdong Province |
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| Yan Junjun and Jin Zhijun.The Features of the Sanshui Relict Basin and Its Conditions of Petroleum Geology,Guangdong Province[J].Acta Sedimentologica Sinica,1997,15(1):141-151. |
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| Authors: | Yan Junjun and Jin Zhijun |
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| Institution: | Daqing Petroleum Institute Anda 151400 |
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| Abstract: | The sanshui basin,formed in the Huanan incro plate uting Cretaceous and Paleogene,is a typical one of Mezo Cnozoic relict basins in the Pearl River Delta area,Guangdong Province.The major structural deformation in the basin is characterized by a number of small scale extensional faults which are mainly postdepositional.In this paper,the evolution of the Sanshui basin and its relict fertures,its deformation styles and trap patterns as well as the perspect of petroleum exploration in this type of basins are discussed based on analyses of structures,strata,depositional envitonments and facies and the maturity of source rocks as well as the comparison of strata between the Sanshui basin and its neighbouring area. |
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| Keywords: | Sanshui relict basin depositional environment structural style trap battern hydrocarbon distribution |
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