| 乌尔逊凹陷南部大磨拐河组地震相 |
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| 引用本文： | 张明学,刘淑芬.乌尔逊凹陷南部大磨拐河组地震相[J].物探与化探,2009,33(6). |
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| 作者姓名： | 张明学 刘淑芬 |
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| 作者单位： | 大庆石油学院,地球科学学院,黑龙江,大庆,163318 |
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| 摘 要： | 乌尔逊凹陷是海拉尔盆地的主要油气勘探区带,以层序地层学理论文指导,对钻井分布集中而地震反射特征明显的乌尔逊凹陷南部地区地震相特征进行了综合解释,通过时间剖面上反射波的内部反射结构、连续性、振幅和其他地震相参数,共识别出7种地震相类型.在此基础上,结合钻井资料和前人工作成果,分析了该地区大磨拐河组地层沉积体系特征,并预测了有利勘探区域.
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| 关 键 词： | 乌南地区 乌尔逊凹陷 大磨拐河组 地震相 沉积体系 |
SEISMIC FACIES ANALYSIS OF DAMOGUAIHE FORMATION IN THE SOUTH OF WUERXUN DEPRESSION |
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| ZHANG Ming-xue,LIU Shu-fen.SEISMIC FACIES ANALYSIS OF DAMOGUAIHE FORMATION IN THE SOUTH OF WUERXUN DEPRESSION[J].Geophysical and Geochemical Exploration,2009,33(6). |
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| Authors: | ZHANG Ming-xue LIU Shu-fen |
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| Abstract: | Wuerxun depression is the main oil exploration objective in Hailar basin. Based on the sequence stratigraphy, this paper deals in detail with the seismic facies in Wunan area, where the distribution of drill holes is concentrated and the characteristics of seismic reflection are clear. In combination with the characteristics of seismic reflection events of configuration on the time section,the authors made an integrated interpretation of the interval structure,continuity,oscillation amplitude and other seismic facies for the seismic data from Wunan area of Wuerxun depression. Seven kinds of main seismic types with indicative significance are summed up. According to the characteristics of the seismic facies and in combination with structural background and drilling information,this paper describes the distribution of depositional system and points out that the sharp sandstone surface seems to be the favorable reservoir. |
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| Keywords: | Wunan Area Wuerxun Depression Damoguaihe Formation seismic facies sedimentary facies |
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