| 柴达木盆地西部上干柴沟组上段高分辨率层序地层学研究 |
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| 引用本文： | 张友,邓荣敬,刘念周,徐备.柴达木盆地西部上干柴沟组上段高分辨率层序地层学研究[J].北京大学学报(自然科学版),2006,42(4):431-438. |
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| 作者姓名： | 张友 邓荣敬 刘念周 徐备 |
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| 作者单位： | 北京大学地球与空间科学学院，北京，100871；中海石油有限公司天津分公司,天津，300452；新疆油田勘探开发研究院，新疆克拉玛依，834000 |
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| 基金项目： | 北京大学校科研和教改项目 |
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| 摘 要： | 应用Cross成因地层理论对柴达木盆地西部上干柴沟组上段进行了高分辨率层序地层划分。通过关键界面的识别和测井资料的综合分析，将目标层段划分为1个长期基准面旋回，5个中期旋回和17～20个短期旋回，分析了不同级别旋回的结构、叠加样式和沉积微相特征，总结了它们在辫状河-三角洲沉积体系内的分布规律，并探讨了对储层预测的重要意义。
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| 关 键 词： | 柴达木盆地 高分辨率层序地层 基准面旋回 储层预测 |
| 收稿时间： | 2005-02-17 |
| 修稿时间： | 2005-02-172006-01-17 |
High Resolution Sequence Stratigraphy Feature for the Upper Ganchaigou Formation in West Qaidam Basin |
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| ZHANG You,DENG Rongjing,LIU Nianzhou,XU Bei.High Resolution Sequence Stratigraphy Feature for the Upper Ganchaigou Formation in West Qaidam Basin[J].Acta Scientiarum Naturalium Universitatis Pekinensis,2006,42(4):431-438. |
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| Authors: | ZHANG You DENG Rongjing LIU Nianzhou XU Bei |
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| Institution: | School of Earth and Space Science, Peking University, Beijing,100871; CNOOC Ltd. Tianjin, Tianjin, 300452; Research Institute of Exploration and Development, CNPC Xinjiang Oilfield Company, Xinjiang Karamay, 834000 |
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| Abstract: | Based on Cross T.A. genetic sequence stratigraphy theory, the high resolution sequence stratigraphy for the upper Shangganchaigou Formation in West Qaidam Basin is analyzed. Through key interface recognition and logging data integrated with core analysis, the aimed segment is divided into one long term base level cycle, five intermediate term cycles and about 17 to 20 short term cycles.The deposition structure and stacking pattems,depositional faces of different level cycles in braid fiver-delta environment are analyzed,and also the important function of these analysis to reservoir evaluation is discussed. |
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| Keywords: | Qaidam Basin High resolution sequence stratigraphy base level cycle reservoir evaluation |
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