| 改进的双水模型在曲堤油田低电阻油层中的应用 |
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| 引用本文： | 赵国欣.改进的双水模型在曲堤油田低电阻油层中的应用[J].油气地质与采收率,2008,15(6):49-51. |
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| 作者姓名： | 赵国欣 |
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| 作者单位： | 浙江大学理学院,浙江,杭州,310027;中国石化股份胜利油田分公司,地质科学研究院,山东,东营,257015 |
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| 基金项目： | 中国石油化工集团公司重点科技项目 |
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| 摘 要： | 为了准确解释低电阻油层的含水饱和度,建立了新的含水饱和度解释模型.新模型不但充分考虑了成岩过程中储层孔隙结构和地层水的变化情况,还考虑了阳离子的交换吸附作用,认为泥质砂岩的导电体积由被束缚水所占据的微孔隙导电体积及有效孔隙中的导电体积组成,2种导电体积中的导电体有不同的导电特性,泥质砂岩的整个导电响应为两者之和.应用该模型对曲堤油田低电阻油层的含水饱和度进行了解释,并将用压汞资料所求的含水饱和度作为参照值进行比较,新模型所计算的含水饱和度与压汞资料所计算的含水饱和度基本一致,取得了较好的效果.
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| 关 键 词： | 含水饱和度 导电机理 解释模型 低电阻油层 曲堤油田 |
Application of an advanced dual water model to the low resistivity oil layers in Qudi Oilfield |
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| Zhao Guoxin.Application of an advanced dual water model to the low resistivity oil layers in Qudi Oilfield[J].Petroleum Geology and Recovery Efficiency,2008,15(6):49-51. |
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| Authors: | Zhao Guoxin |
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| Affiliation: | Zhao Guoxin. Earth Science Department,Zhejiang University,Hangzhou City,Zhejiang Province,310027,China |
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| Abstract: | A new water saturation explanation model was put forward in this paper lor accurately interpreting the water saturation in low resistivity oil layers. The change of reservoir pore structure and formation water during the diagenetic stage was considered,as well as exchange and adsorption of positive ions. The conductive volume of argillaceous sandstone is composed of that of mieropore occupied by the irreducible water and sufficient pore. There are some different conductive properties between them and the co... |
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| Keywords: | water saturation mechanism of conductivity inter-pretation model low resistivity oil layer Qudi Oilfield |
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