[1]王興龍,王龍,王亞青,等.利用C50決策樹算法解釋碳酸鹽巖儲層滲透率[J].測井技術,2020,(03):300-304.[doi:10.16489/j.issn.1004-1338.2020.03.016]
 WANG Xinglong,WANG Long,WANG Yaqing,et al.Application of C5.0 Decision-tree Algorithm to Interpret Permeability of Carbonate Reservoir[J].WELL LOGGING TECHNOLOGY,2020,(03):300-304.[doi:10.16489/j.issn.1004-1338.2020.03.016]
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利用C50決策樹算法解釋碳酸鹽巖儲層滲透率()
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《測井技術》[ISSN:1004-1338/CN:61-1223/TE]

卷:
期數:
2020年03期
頁碼:
300-304
欄目:
解釋評價
出版日期:
2020-05-15

文章信息/Info

Title:
Application of C5.0 Decision-tree Algorithm to Interpret Permeability of Carbonate Reservoir
文章編號:
1004-1338(2020)03-0300-05
作者:
王興龍1 王龍2 王亞青1 李競1 宋來明1 楊爍1 郭麗娜2
(1.中海油研究總院有限責任公司, 北京 100028; 2.中國海洋石油國際有限公司, 北京 100028)
Author(s):
WANG Xinglong1 WANG Long2 WANG Yaqing1 LI Jing1 SONG Laiming1 YANG Shuo1 GUO Lina2
(1. CNOOC Research Institute Ltd., Beijing 100028, China; 2. CNOOC International Ltd., Beijing 100028, China)
關鍵詞:
測井解釋 C5.0決策樹算法 機器學習 儲層分類 碳酸鹽巖 滲透率
Keywords:
log interpretation C5.0 decision-tree algorithm machine learning reservoir classification carbonate rock permeability
分類號:
P631.84
DOI:
10.16489/j.issn.1004-1338.2020.03.016
文獻標志碼:
A
摘要:
以某油田孔隙型碳酸鹽巖為例,提出利用C5.0決策樹算法解釋儲層滲透率。在常規物性分析和測井資料基礎上,根據孔隙結構表征參數建立儲層分類標準并回歸滲透率計算公式。通過多個測井曲線資料組合構建及決策樹建模分析,優選出儲層分類表現最佳的資料組合和模型,使用該模型將取心段儲層分類標準和滲透率計算公式推廣到非取心段,完成測井解釋。通過與巖心滲透率相比較,該方法得到的滲透率誤差整體較小,并且非含水采油井射孔段滲透率與米采油指數呈正相關關系,說明該方法的有效性。所使用的常規物性分析和測井資料是最常見的油氣田靜態資料,該方法具有一定的普適性。
Abstract:
Based on a case study of porous-type carbonate rock, application of C5.0 decision-tree to logging permeability interpretation is proposed. According to parameter characterizing pore configuration, rock typing standard is constructed and computing formula of permeability is obtained, both of which are on the basis of conventional cored physical property analysis in laboratory and well logging data. Several composites of well logging data are designed and used to build decision-tree model, from which the one with best performance is selected. With the chosen composite and corresponding model, the classification criterion and computing formula of permeability are extended from cored intervals to uncored ones, achieving the goal of interpreting logging permeability. Compared with core permeability in laboratory, the resulting permeability has a relatively minor error. Furthermore, on producers without water production the interpreted permeability of perforation interval shows a good relationship with productivity index, indicating the effectiveness of the approach. Due to availability of conventional physical property and well logging data, the proposed method shows its universality on permeability interpretation.

參考文獻/References:

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備注/Memo

備注/Memo:
(收稿日期: 2020-04-23 本文編輯 張一艷)基金項目: “十三五”國家重大專項課題“海外重點油氣田開發鉆采關鍵技術”(2017ZX05032-04-01) 第一作者: 王興龍,男,1986年生,碩士研究生,從事儲層地質研究等方面工作。E-mail:[email protected]
更新日期/Last Update: 2020-05-15
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