| 火山碎屑岩层孔隙度的计算方法 |
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| 引用本文： | 朱立峰,莫修文. 火山碎屑岩层孔隙度的计算方法[J]. 吉林大学学报(地球科学版), 2007, 0(Z1) |
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| 作者姓名： | 朱立峰 莫修文 |
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| 作者单位： | [1]吉林大学地球探测科学与技术学院 [2]吉林大学地球探测科学与技术学院 长春 |
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| 摘 要： | 火山碎屑岩岩性复杂,因此骨架参数难以选择,影响孔隙度的计算效果。针对大庆油田海拉尔盆地的火山碎屑岩储层,对计算孔隙度的一般性方法进行研究;针对火山碎屑岩的成分,根据岩心分析资料计算其理论骨架参数值;采用3层BP神经网络进行训练学习,通过编程处理,实现人工神经网络计算火山碎屑岩储层孔隙度,其结果与岩心分析孔隙度比较,平均误差小于2%,能满足储量计算要求。
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| 关 键 词： | 火山碎屑岩 孔隙度 理论骨架参数值 统计方法 BP神经网络 |
Research on Porosity Calculation Method of Volcanic Clastic Rock |
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| ZHU Li-feng,MO Xiu-wen College of GeoExploration Science and Technology,Jilin University,Changchun ,China. Research on Porosity Calculation Method of Volcanic Clastic Rock[J]. Journal of Jilin Unviersity:Earth Science Edition, 2007, 0(Z1) |
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| Authors: | ZHU Li-feng MO Xiu-wen College of GeoExploration Science Technology Jilin University Changchun China |
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| Affiliation: | ZHU Li-feng,MO Xiu-wen College of GeoExploration Science and Technology,Jilin University,Changchun 130026,China |
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| Abstract: | The component of pyroclastic rocks are complex.So matrix parameter is so hard to choose that the result will be affected.This paper is fit for the reservoir of pyroclastic rocks of Daqing Hailaer Basin.The authors research and analyze the ordinary logging methods which are used to calculate porosities.Aiming directly at the component of pyroclastic rocks,it will calculate their theoretical value of matrix parameter,and utilize three strate BP networks to train and study.By way of programming,it will utilize BP networks to calculate porosities of pyroclastic rocks strate.The result is compared with core porosities.The error is under 2%.The result can content the request of reservoir calculation. |
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| Keywords: | pyroclastic rocks porosity matrix parameter statistics method BP networks |
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