| 塔里木盆地塔中地区中上奥陶统碳酸盐岩层序发育对同生期岩溶作用的控制 |
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| 引用本文： | 刘忠宝,于炳松,李廷艳,樊太亮,蒋宏忱.塔里木盆地塔中地区中上奥陶统碳酸盐岩层序发育对同生期岩溶作用的控制[J].沉积学报,2004,22(1):103-109. |
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| 作者姓名： | 刘忠宝 于炳松 李廷艳 樊太亮 蒋宏忱 |
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| 作者单位： | 1.中国地质大学地球科学与资源学院 北京 100083; |
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| 摘 要： | 塔里木盆地塔中地区是塔里木油田的主要采油区。奥陶系碳酸盐岩是区内重要的目的层段之一。在剖面、测井和岩心资料的基础上,以Cross的高分辨率层序地层学理论为指导,对区内中上奥陶统进行了初步的层序地层研究,划分出了三级层序界面。结合镜下薄片分析,以特征成岩组构为大气淡水成岩作用的识别标志,识别出 4个大气淡水成岩透镜体。在横向连井层序对比的基础上,结合大气淡水成岩透镜体的发育层位,建立了层序地层和大气淡水成岩透镜体对比剖面。揭示不同级别层序界面对台地边缘碳酸盐岩同生期岩溶的控制,对于正确预测碳酸盐岩储层的发育规律,具有重要的指导意义。
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| 关 键 词： | 层序地层学 大气淡水成岩透镜体 同生期岩溶 塔里木盆地 |
| 文章编号： | 1000-0550(2004)01-0103-07 |
| 收稿时间： | 2003-01-06 |
| 修稿时间： | 2003年1月6日 |
Sequence Development Controls on Iyngenesis Karst of the Middle-upper Ordovician Carbonate in Tazhong Area, Tarim Basin |
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| LIU Zhong bao , YU Bing song , LI Ting yan FAN Tai liang JIANG Hong chen.Sequence Development Controls on Iyngenesis Karst of the Middle-upper Ordovician Carbonate in Tazhong Area, Tarim Basin[J].Acta Sedimentologica Sinica,2004,22(1):103-109. |
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| Authors: | LIU Zhong bao YU Bing song LI Ting yan FAN Tai liang JIANG Hong chen |
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| Institution: | 1.China University of Geosciences, Beijing 100083;2.Key Laboratory of Lithosphere Tectonics and Exploration, Ministry of Education, Beijing 100083 |
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| Abstract: | Tazhong area is located in the middle of Tarim Basin, which is a major oil production area of Tarim Oil field. The carbonate of Ordovician is one of the most important target strata for oil exploration. Guided with the theory of high resolution sequence stratigraphy and based on the data of outcrop sections, well logs and rock core, the primary research of sequence stratigrphy is conducted, and the interfaces of third order sequences of middle upper Ordivician in this area identified. Combined with the analysis of slices and by using characteristic diagenesis fabric to identify indications of meteorite water diagenesis, 4 meteoric water diagenetic lenses are identified, and outcrop sections of sequence and meteoric water diagenetic lenses are constructed, by which sequence interfaces of different levels made on carbonate iyngenesis karst at the edge of mesas, is of importantly instructive meaning to exactly forecast the development order of carbonate reservoir. |
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| Keywords: | sequence stratigraphy meteoric water diagenesis lens iyngenesis karst Tarim basin |
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