| 费歇判别法识别大孔道 |
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| 引用本文： | 孟凡顺,黄伏生,宋德才,刘关.费歇判别法识别大孔道[J].中国海洋大学学报(自然科学版),2007,37(1):121-124,110. |
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| 作者姓名： | 孟凡顺 黄伏生 宋德才 刘关 |
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| 作者单位： | 中国海洋大学海洋地球科学学院,山东,青岛,266100;中国海洋大学海洋地球科学学院,山东,青岛,266100;中国海洋大学海洋地球科学学院,山东,青岛,266100;中国海洋大学海洋地球科学学院,山东,青岛,266100 |
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| 摘 要： | 根据测井曲线,运用费歇准则导出了识别砂岩油层大孔道的判别函数,判别函数是测井曲线的线性组合。利用此判别函数实现了在微机上用费歇方法识别大孔道的问题。针对大庆某地区一模型,取得了令人满意的结果,正确率达85%以上,结果表明,费歇判别法是识别大孔道的行之有效的方法。
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| 关 键 词： | 大孔道 判别函数 测井曲线 |
| 文章编号： | 1672-5174（2007）01-121-05 |
| 修稿时间： | 2006-04-212006-07-14 |
Distinguishing Large Pore Paths in Sandstone Oil Layers by Fisher Method Using Logging Curves |
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| MENG Fan-Shun,HUANG Fu-Sheng,SONG De-Cai,LIU Guan.Distinguishing Large Pore Paths in Sandstone Oil Layers by Fisher Method Using Logging Curves[J].Periodical of Ocean University of China,2007,37(1):121-124,110. |
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| Authors: | MENG Fan-Shun HUANG Fu-Sheng SONG De-Cai LIU Guan |
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| Institution: | College of Marine Geoscience, Ocean University of China, Qingdao 266100, China |
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| Abstract: | In the paper,the discriminant function is derived from the Fisher principle to distinguish large pore paths in sandstone oil layers based on logging curves.The discriminant function is a linear combination of logging curves.Consequently the problem of distinguishing large pore paths is realized with the discriminant function by using a microcomputer.The Fisher method was utilized for a model in a certain area in Daqing and the result is good.The precision is over 85 percent.The result shows that the Fisher method is an effective method to distinguish large pore paths. |
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| Keywords: | large pore path discriminant function logging curve |
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