| 鄂尔多斯盆地铁边城地区长8沉积相研究 |
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| 引用本文： | 郭京哲,张永强,彭叙凯,李娅.鄂尔多斯盆地铁边城地区长8沉积相研究[J].石油化工应用,2011,30(11):30-35. |
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| 作者姓名： | 郭京哲 张永强 彭叙凯 李娅 |
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| 作者单位： | 1. 西安石油大学,陕西西安,710065
2. 中国石油长庆油田公司勘探开发研究院,陕西西安,710016 |
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| 基金项目： | 国家自然科学基金重点项目;鄂尔多斯盆地中生代原盆恢复及其演化-改造动力学环境 |
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| 摘 要： | 铁边城地区位于陕西吴旗县境内,构造处于鄂尔多斯盆地陕北斜坡西部。研究区长8储层为一套以碎屑岩为主的内陆湖泊三角洲相沉积。本文以测井相分析及岩心观察的岩石相标志为基础,通过砂地比值分布规律、单井剖面的相序分析,对鄂尔多斯盆地铁边城地区长8油层组沉积相类型及发育规律进行综合研究。结果表明铁边城地区长8期的主要沉积体系属于"浅水"湖泊-三角洲沉积体系,发育三角洲平原和三角洲前缘亚相,主要微相类型包括有三角洲平原分流河道、分流河道间、天然堤微相和三角洲前缘水下分流河道、分流间湾、水下天然堤微相。根据沉积微相展可以得出研究区的沉积模式。
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| 关 键 词： | 长8油层组 沉积相 三角洲平原 三角洲前缘 |
The research of sedimentary facies in Chang 8 in Tiebiancheng area, Erdos basin |
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| GUO Jingzhe,ZHANG Yongqiang,PENG Xukai,LI Ya.The research of sedimentary facies in Chang 8 in Tiebiancheng area, Erdos basin[J].Petrochemical Industry Application,2011,30(11):30-35. |
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| Authors: | GUO Jingzhe ZHANG Yongqiang PENG Xukai LI Ya |
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| Affiliation: | 1 (1.Xi’an Shiyou University,Xi’an Shanxi 710065,China;2.The Research Institute of Exploration and Development of Chongqing Oilfield Company,Xi’an Shanxi 710016,China) |
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| Abstract: | Tiebiancheng is located in the county of Wuqi, in Western of the northern slope in Erdos basin structure.Based on the logging facies analysis and core observation of rock facies marker,Through the sand ratio distribution and single well profile sequence analysis, inte- grated research on sedimentary facies types and development in the reservoir of Chang 8 in Tiebiancheng area, Erdos basin. The results show that the main sedimentary system belongs to the＂ shallow＂ lake delta sedimentary system, developed delta plain and delta front subfacies, the main microfacies types including delta plain distributary channel, interdistributary, natural levee microfacies and delta-front underwater distributary channel, interdistributary bay, water natural levee. |
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| Keywords: | reservoir of Chang 8 sedimentary facies delta plain delta front |
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