| 四川盆地须家河组低孔致密砂岩孔隙度测井解释研究 |
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| 引用本文： | 王洪辉,黎鹏,段新国.四川盆地须家河组低孔致密砂岩孔隙度测井解释研究[J].成都理工大学学报(自然科学版),2009,36(3). |
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| 作者姓名： | 王洪辉 黎鹏 段新国 |
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| 作者单位： | 油气藏地质及开发工程国家重点实验室;成都理工大学,成都,610059 |
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| 摘 要： | 四川盆地川中-川南过渡带低孔致密砂岩孔隙度测井受多方面因素影响,简单的线性解释难以达到储层评价要求.以H地区须二段为例,系统分析低孔致密砂岩储层的岩性及物性特征;以引起测井响应误差的因素分析为着眼点,对孔隙度测井解释进行研究.选取了三孔隙度测井(声波时差、补偿中子、补偿密度)和自然伽马测井建立四元线性回归解释模型.研究发现,该模型对孔隙度有较强的预测能力,预测的孔隙度与实验室岩心分析的孔隙度有较高的符合率.该方法极大提高了低孔致密砂岩孔隙度解释精度,为储层评价工作提供依据.
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| 关 键 词： | 低孔致密砂岩 须家河组 孔隙度 测井解释 多元回归 |
Porosity logging interpretation of low-porosity compact sandstone of Upper Triassic Xujiahe Formation in Sichuan Basin,China |
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| WANG Hong-hui,LI Peng,DUAN Xin-guo.Porosity logging interpretation of low-porosity compact sandstone of Upper Triassic Xujiahe Formation in Sichuan Basin,China[J].Journal of Chengdu University of Technology: Sci & Technol Ed,2009,36(3). |
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| Authors: | WANG Hong-hui LI Peng DUAN Xin-guo |
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| Institution: | WANG Hong-hui,LI Peng,DUAN Xin-guoState Key Laboratory of Oil , Gas Reservoir Geology , Exploitation,Chengdu University of Technology,Chengdu 610059,China |
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| Abstract: | In the Central Sichuan-South Sichuan transitional zone,Sichuan Basin,the porosity logging of low-porosity compact sandstone is affected by various factors.So,the accuracy of reservoir evaluation is difficult to be achieved by simple linear interpretation.Taking Member 2 of Upper Triassic Xujiahe Formation for example,this paper analyzes the lithology and physical property characteristics of the low-porosity compact sandstone reservoir.And,it takes the factors which cause the error of log response as a vanta... |
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| Keywords: | low-porosity compact sandstone Xujiahe Formation porosity logging interpretation multiple elements linear regression |
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