| 渤中凹陷大型湖泊三角洲的发育特征及油气勘探前景 |
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| 引用本文： | 杨香华,陈红汉,叶加仁,罗毓晖,蔡东升.渤中凹陷大型湖泊三角洲的发育特征及油气勘探前景[J].中国海上油气,2000(4). |
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| 作者姓名： | 杨香华 陈红汉 叶加仁 罗毓晖 蔡东升 |
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| 作者单位： | 中国地质大学!武汉430074(杨香华，陈红汉，叶加仁)，中国海洋石油渤海公司!天津300452(罗毓晖，蔡东升) |
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| 摘 要： | 渤中凹陷东营组内发育了内陆湖盆中罕见的大型湖泊三角洲 ,其规模与海相盆地三角洲相当。通过渤中凹陷下第三系层序地层格架及其充填样式与构造特征的分析 ,探讨了东营组底部大规模超覆不整合、局部侵蚀削截不整合的表现形式 ,沙河街组与东营组之间的沉积—构造转换 ,东营组大型湖泊三角洲发育的地质背景和东二段大规模三角洲沉积体系的沉积特征与油气勘探前景。
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| 关 键 词： | 渤中凹陷 大型湖泊三角洲 层序地层格架 油气勘探前景 |
LARGE LAKE DELTAS AND THEIR HYDROCARBON POTENTIAL IN |
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| BOZHONG SAG,Yang Xianghua Chen Honghan Ye Jiaren.LARGE LAKE DELTAS AND THEIR HYDROCARBON POTENTIAL IN[J].China Offshore Oil and Gas,2000(4). |
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| Authors: | BOZHONG SAG Yang Xianghua Chen Honghan Ye Jiaren |
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| Abstract: | Large lake deltas,equivallent to marine delta in size,occur within Dongying Formation in Bozhong sag.Based on analyses of Paleogene stratigraphic framework and tectonics in the sag,several aspects are discussed:(1)occurrence of unconformability of overlap and by local erosion at the base of Dongying Formation;(2)sedimentary tectonic transform between Dongying Formation and Shahejie Formation;(3)geological setting in which large lake deltas develop;and (4)depositional model of large lake deltas and their hydrocarbon potential. |
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| Keywords: | Bozhong sag large lake delta stratigraphic framework hydrocarbon potential |
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