| 苏北盆地白垩系赤山组沉积与储层特征及研究意义 |
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| 引用本文： | 陈清华,庞飞,渠冬芳.苏北盆地白垩系赤山组沉积与储层特征及研究意义[J].海洋地质与第四纪地质,2008,28(6). |
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| 作者姓名： | 陈清华 庞飞 渠冬芳 |
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| 作者单位： | 1. 中国石油大学(华东)地球资源与信息学院,东营,257061
2. 中国石油大学(北京)资源与信息学院,北京,102249 |
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| 基金项目： | 中石化江苏油田分公司“陈堡油田陈3断块精细油藏描述”科技攻关项目 |
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| 摘 要： | 通过石油钻井及野外地质露头等资料，利用薄片资料、扫描电镜资料、岩屑录井资料、孔渗资料及压汞实验分析，对苏北盆地白垩系赤山组沙丘沉积特征、储层岩石学特征、储层孔隙、储层物性等进行了系统的研究。结果表明，沙丘作为沙漠沉积中最重要的亚相类型，以风成沉积为显著特征，具有沉积厚度大、成熟度高、电性特征明显等特点。溶蚀作用是孔隙的主要形成作用，原生孔隙很少，次生孔隙极其发育，是油气的良好储集层。沙丘沉积的研究对于油气的勘探开发具有重要的现实意义。
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| 关 键 词： | 沙丘 白垩纪 赤山组 苏北盆地 |
DEPOSITIONAL AND RESERVOIR CHARACTERISTICS OF THE CRETACEOUS CHISHAN FORMATION IN SUBEI BASIN AND THEIR SIGNIFICANCE |
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| CHEN Qing-hua,PANG Fei,QU Dong-fang.DEPOSITIONAL AND RESERVOIR CHARACTERISTICS OF THE CRETACEOUS CHISHAN FORMATION IN SUBEI BASIN AND THEIR SIGNIFICANCE[J].Marine Geology & Quaternary Geology,2008,28(6). |
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| Authors: | CHEN Qing-hua PANG Fei QU Dong-fang |
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| Abstract: | Based on the oil drillings and field geological outcrop,combined with the regional geologic data,and using thin section analysis,porosity and permeability data and mercury injection experiments analysis,a systematic study has been done about the characteristics of depositional and reservoir petrological character,pore character and physical property character.The results show that,as the most important subfacies of desert,aeolian deposit is the significant feature.The dune is composed of large sediment thic... |
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| Keywords: | dune Chishan formation Cretaceous Subei Basin |
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