[1]王瑞,朱筱敏,王禮常.用數據挖掘方法識別碳酸鹽巖巖性[J].測井技術,2012,36(02):197-201.
 WANG Rui,ZHU Xiaomin,WANG Lichang.Using Data Mining to Identify Carbonate Lithology[J].WELL LOGGING TECHNOLOGY,2012,36(02):197-201.
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用數據挖掘方法識別碳酸鹽巖巖性()
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《測井技術》[ISSN:1004-1338/CN:61-1223/TE]

卷:
第36卷
期數:
2012年02期
頁碼:
197-201
欄目:
綜合應用
出版日期:
2012-04-30

文章信息/Info

Title:
Using Data Mining to Identify Carbonate Lithology
作者:
王瑞1朱筱敏12王禮常1
1.中國石油大學地球科學學院, 北京 102249; 2.油氣資源與探測國家重點實驗室, 北京 102249
Author(s):
WANG Rui1 ZHU Xiaomin12 WANG Lichang1
1.College of Geosciences, China University of Petroleum, Beijing 102249, China; 2.Key Laboratory for Hydrocarbon Accumulation Mechanism, Ministry of Education, China University of Petroleum, Beijing 102249, China
關鍵詞:
測井解釋 數據挖掘 決策樹 碳酸鹽巖 巖性識別 測井曲線 交會圖
Keywords:
log interpretation data mining decision tree carbonate lithology identificationlogging curve cross plot
分類號:
P63184
文獻標志碼:
A
摘要:
碳酸鹽巖儲層受沉積、構造及成巖作用影響大,測井曲線不能完全反映巖性性質。分析常規交會圖法在碳酸鹽巖儲層巖性識別中整體識別率偏低的原因。通過對比決策樹、人工神經網絡、支持向量機和貝葉斯網絡等數據挖掘方法,發現決策樹具有較高的識別正確率。采用該方法分析常規測井數據,通過構造新參數Rd/AC和Rd/Rs進行碳酸鹽巖巖性識別,準確率可達到8932%。實際應用表明,地質、測井知識和數據挖掘方法相結合,能有效識別常規方法無法準確判斷的巖性,通過改進不同的優選參數,提高巖性識別的準確率,為儲層沉積相解釋提供更準確的地質信息。
Abstract:
Well logging curves can not reflect carbonate rock reservoir properties completely for great influences from deposition, construction and diagenesis. Analyzed is the cause of low recognition rate of traditional cross plot method in carbonatite reservoir lithology recognition. By comparing data mining methods such as decision tree, artificial neural network, support vector machine and Bayes network, it is found that the decision tree method has superior recognition rate. With the decision tree method, identification accuracy achieves 8932% with constructing new parameters Rd/AC and Rd/Rs. Practical application shows that combining data mining with geology and well logging can not only effectively identify the lithology that couldn’t be identified by normal methods, but also increase the accuracy by improving optimum parameters, which provides more accurate geological information for reservoir sedimentary phase assessment and explanation.

參考文獻/References:

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備注/Memo

備注/Memo:
收稿日期:20110815
作者簡介: 王瑞,男,1983年生,博士研究生,從事沉積巖石學及儲層地質學研究。
文章編號:10041338(2012)02019705
更新日期/Last Update: 2012-04-30
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