| 试论陆相层序地层学及其在油气勘探开发中的意义 |
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| 引用本文： | 刘豪,王英民,王媛.试论陆相层序地层学及其在油气勘探开发中的意义[J].沉积与特提斯地质,1998,18(6):33-39. |
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| 作者姓名： | 刘豪 王英民 王媛 |
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| 作者单位： | 成都理工学院石油系 |
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| 摘 要： | 根据陆相层序地层的自身特点，对其层序界线、层序级别、层序界面等特征进行了分析，并把陆相层序地层分成断陷和坳陷两种盆地层序模式。最后根据层序模式特征阐述了陆相层序地层学在油气勘探开发中的实际意义。
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| 关 键 词： | 陆相层序地层学 体系域 层序地层模式 |
The nonmarine sequence stratigraphy and its implications for oil and gas prospecting and exploration |
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| Liu Hao,Wang Yingmin,Wang Yuan.The nonmarine sequence stratigraphy and its implications for oil and gas prospecting and exploration[J].Sedimentary Geology and Tethyan Geology,1998,18(6):33-39. |
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| Authors: | Liu Hao Wang Yingmin Wang Yuan |
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| Institution: | Liu Hao Wang Yingmin Wang Yuan Department of Petroleum,Chengdu University of Technology |
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| Abstract: | The sequence boundary,sequence hierarchy and sequence bounding surface in the nonmarine strata are discussed in this paper. Two sequence models are presented for two types of basin:fault and depression basins.The relationship between systems tracts and oil and gas traps indicates that there is a genetic affiliation between the source reservoir caprock associations and systems tracts in stratigraphic sequences.For example,the statigraphic trapped oil and gas deposits may occur in the alluvial systems of the lake transgressive systems tract;the sand mud intercalations generated in the retrogradation and progradation in the highstand systems tract may be the sites for oil generation,and the deltas and fan deltaic sediments characteristic of the lowstand systems tract may serve as the best oil and gas reservoirs.It follows that the nonmarine sequence stratigraphy has important implications for the prospecting and exploration of oil and gas deposits. |
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| Keywords: | nonmarine sequence stratigraphy systems tract sequence stratigraphic model |
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