| 曲流河古河道储层构型精细解剖——以孤东油田七区西馆陶组为例 |
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| 引用本文： | 岳大力,吴胜和,谭河清,余地云,姜香云,刘世斌.曲流河古河道储层构型精细解剖——以孤东油田七区西馆陶组为例[J].地学前缘,2008,15(1):101-109. |
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| 作者姓名： | 岳大力 吴胜和 谭河清 余地云 姜香云 刘世斌 |
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| 作者单位： | 1. 中国石油大学(北京)资源与信息学院,北京,102249
2. 中国石油化工股份有限公司,胜利油田有限公司,山东,东营,257000 |
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| 基金项目： | 高等学校博士学科点专项科研项目 |
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| 摘 要： | 以胜利油区孤东油田七区西为例,在沉积微相研究的基础上,主要应用研究区岩心、测井,动态等资料,对曲流河古河道砂体进行了系统的储层层次构型精细解剖。在点坝定量分布模式的指导下,根据点坝砂体垂向上典型的正韵律、砂体厚度大以及紧邻废弃河道分布等特征,在研究区Ng522单层复合河道砂体内部识别出2个单一点坝。综合露头和现代沉积的研究成果、经验公式预测以及对子井分析,建立了研究区点坝内部构型定量模式,以单井上识别的泥质侧积层作为依据,点坝内部定量模式及动态监测结果作为指导,进行模式拟合,达到系统解剖点坝内部构型的目的。建立了点坝内部泥质侧积层控制的剩余油分布模式,提出了采用在点坝砂体中上部钻水平井的方式开采侧积层控制的剩余油。点坝构型解剖成果在研究区得到了较好的应用效果,而且对类似油田储层精细研究及剩余分布预测都有较好的借鉴作用。
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| 关 键 词： | 储层构型 剩余油 点坝 曲流河 孤东油田 |
| 文章编号： | 1005-2321（2008）01-0101-09 |
| 收稿时间： | 2007-11-05 |
| 修稿时间： | 2007-12-08 |
An anatomy of paleochannel reservoir architecture of meandering river reservoir-a case study of Guantao formation, the west 7th block of Gudong oilfield |
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| Yue Dali,Wu Shenghe,Tan Heqing,Yu Diyun,Jiang Xiangyun,Liu Shibin.An anatomy of paleochannel reservoir architecture of meandering river reservoir-a case study of Guantao formation, the west 7th block of Gudong oilfield[J].Earth Science Frontiers,2008,15(1):101-109. |
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| Authors: | Yue Dali Wu Shenghe Tan Heqing Yu Diyun Jiang Xiangyun Liu Shibin |
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| Abstract: | Taking the west 7th block of Gudong oilfield, Shengli petroleum province as a case, based on the sedimentary microfacies analysis, and according to the core, well logging and performance data, we have systematically anatomized the hierarchical paleochannel reservoir architecture of meandering river reservoir. Directed by quantitative model of point bar distribution and based on the positive rhythm of vertical characteristics and the peculiarities of large sandstone thickness and the distribution close to the abandoned channel, we have recognized two point bars in Ng52^2 layer. Combining outcrop and modern deposit study, empirical formula forecasting, and analysis of paired wells, we have established a quantitative architecture model of inside of the point bar. Guided by the quantitative model and the results of performance monitoring, and controlled by lateral accretion shale beddings in single wells, we carried on the model fitting, and accomplished the inner architecture analysis. Remaining oil distribution in the point bar has been analyzed in detail, and the potential exploitation measures are proposed, that is, drilling horizontal wells on the top of the point bar. The application of the anatomy result to the study area has brought about good effects. The result of this study may be used in other similar oilfields. |
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| Keywords: | reservoir architecture remaining oil point bar meandering river Gudong oilfield |
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