| 东营凹陷下第三系层序地层研究与隐蔽油气藏预测 |
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| 引用本文： | 张德武,冯有良,邱以钢,闵伟,郭玉新,赵乐强,向立宏. 东营凹陷下第三系层序地层研究与隐蔽油气藏预测[J]. 沉积学报, 2004, 22(1): 67-72 |
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| 作者姓名： | 张德武 冯有良 邱以钢 闵伟 郭玉新 赵乐强 向立宏 |
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| 作者单位： | 胜利油田地质科学研究院,山东东营,257015;胜利油田地质科学研究院,山东东营,257015;中国石油勘探开发研究院博士后流动站,北京,100083;胜利油田地质科学研究院,山东东营,257015;中国地质大学,北京,100083 |
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| 摘 要： | 应用层序地层学理论,利用地震、测井、岩心和分析化验资料,建立了东营凹陷下第三系层序界面识别标志,把东营凹陷下第三系划分为 1个超层序组,4个超层序,10个层序,进行体系域划分,建立了东营凹陷下第三系层序地层格架。构造坡折带是指由同沉积构造长期活动引起的沉积斜坡明显突变的地带,对盆地充填的可容纳空间和沉积作用可产生重要影响。通过层序地层格架与构造坡折带的研究,建立东营凹陷层序发育模式。受构造坡折带控制的层序低位域砂体和湖侵体系域砂体,成藏条件良好,最有利于形成隐蔽油气藏。
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| 关 键 词： | 东营凹陷 层序地层 构造坡折带 低位域砂体 隐蔽油气藏 下第三系 |
| 文章编号： | 1000-0550(2004)01-0067-06 |
| 收稿时间： | 2003-01-17 |
| 修稿时间： | 2003-01-17 |
Lower Tertiary Sequence Stratigraphy Study and the Forecast of Subtle Reservoir in Dongying Depression |
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| ZHANG De wu FENG You liang , QIU Yi gang , MIN Wei GUO Yu xin ZHAO Le qiang XIANG Li hong. Lower Tertiary Sequence Stratigraphy Study and the Forecast of Subtle Reservoir in Dongying Depression[J]. Acta Sedimentologica Sinica, 2004, 22(1): 67-72 |
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| Authors: | ZHANG De wu FENG You liang QIU Yi gang MIN Wei GUO Yu xin ZHAO Le qiang XIANG Li hong |
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| Affiliation: | 1.Geological Scientific Research Institute of Shengli Oil Field Limited Corporation, Dongying Shangdong 257015;2.Postdoctoral Program of Petroleum Exploration and Development Research Institute, CNPC, Beijing 100083;3.China University of Geosciences, Beijing 100083 |
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| Abstract: | On the basis of comprehensive study of seismic data, well logging and other data, applying the sequence stratigraphy theory, one supersequence set, four supersequences and ten sequences are distinguished in Dongying depression. We identify system tracts for each sequence and build up isochronous sequence framework in Dongying depression. The structural slope break zone, resulting in the abrupt change of the depositional slope, is initiated by the long term activity of syndepositional structure. Structural slope break zone in the fault subsidence lacustrine basin constrained the change in the accommodation space of the basins, controlling the development of the depositional sequence and the distribution of the depositional system tracts and the sand bodies. By means of establishing lower Tertiary equence stratigraphic framework and sequence system tract model of Dongying depression, this paper puts forward that lowstand sand bodies controlled by structural slope break zones are favorable for forming subtle reservoirs. |
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| Keywords: | Dongying depression sequence stratigraphy tectonic slope-break zone Lowstand sand bodies subtle reservoir exploration Lower Tertiary |
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