| 海拉尔盆地泥岩盖层演化过程及封盖机理探讨 |
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| 引用本文： | 周文,刘文碧,程光瑛.海拉尔盆地泥岩盖层演化过程及封盖机理探讨[J].成都理工大学学报(自然科学版),1994(1). |
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| 作者姓名： | 周文 刘文碧 程光瑛 |
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| 作者单位： | 成都理工学院石油系 |
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| 摘 要： | 文章从海拉尔盆地泥岩成岩及有机质成烃演化出发，研究了泥岩形成有效盖层的历史，提出了位于油气大规模形成期前或成熟初期的泥岩处于埋深８００～１５００ｍ时为最优封盖期（ＧＳＴ期）。利用盆地泥岩盖层的埋深并结合其它地质资料，由ＧＳＴ期观点评价了海拉尔盆地中两套区域性盖层目前的有效封盖性。最后对盆地中处于不同演化阶段的泥岩盖层的封盖机理进行了探讨，指出该盆地泥岩盖层具３种封闭机理。
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| 关 键 词： | 海拉尔盆地，泥岩盖层演化，有效盖层，最优封盖期（GST），封盖机理 |
EVOLUTION AND SEAL MECHANISM OF SHALE CAPS IN HAILAER BASIN |
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| Zhou Wen,Liu Wedi,Cheng Guangying.EVOLUTION AND SEAL MECHANISM OF SHALE CAPS IN HAILAER BASIN[J].Journal of Chengdu University of Technology: Sci & Technol Ed,1994(1). |
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| Authors: | Zhou Wen Liu Wedi Cheng Guangying |
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| Institution: | Zhou Wen;Liu Wedi;Cheng Guangying |
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| Abstract: | This paper Studies the dingentic history of shale as effective caprock according to the hydrocarbon generation history of the shale in Hailaer Basin. The mast of seal time is presented according to shale capping bed evolution (GST)and the seal time of two capping beds of the areas in Hailaer Basin is discussed. Three seal machanism types are presented in this paper. |
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| Keywords: | Hailaer Basin shale cap evolution effective seal the mast of seal time (GST) seal mechanism |
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