[1]李曉輝,吳慶巖,龐福基.碳酸鹽巖三礦物巖石組分識別模型的建立與應用[J].測井技術,2017,41(03):301-304.[doi:10.16489/j.issn.1004-1338.2017.03.010]
 LI Xiaohui,WU Qingyan,PANG Fuji.Building and Application of Three-mineral Rock Components Identification Model for Carbonate[J].WELL LOGGING TECHNOLOGY,2017,41(03):301-304.[doi:10.16489/j.issn.1004-1338.2017.03.010]
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碳酸鹽巖三礦物巖石組分識別模型的建立與應用()
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《測井技術》[ISSN:1004-1338/CN:61-1223/TE]

卷:
第41卷
期數:
2017年03期
頁碼:
301-304
欄目:
處理解釋
出版日期:
2017-06-22

文章信息/Info

Title:
Building and Application of Three-mineral Rock Components Identification Model for Carbonate
文章編號:
1004-1338(2017)03-0301-04
作者:
李曉輝 吳慶巖 龐福基
大慶鉆探工程公司測井公司, 黑龍江 大慶 163412
Author(s):
LI Xiaohui WU Qingyan PANG Fuji
Well Logging Company, Daqing Drilling and Exploring Engineering Corporation, Daqing, Heilongjiang 163412, China
關鍵詞:
測井解釋 碳酸鹽巖 礦物組分 巖性識別 三角形圖解法 三礦物巖石組分 識別模型
Keywords:
log interpretation carbonate rock mineral component lithology identification triangle diagram method three-mineral rock component identification model
分類號:
P631.84
DOI:
10.16489/j.issn.1004-1338.2017.03.010
文獻標志碼:
A
摘要:
塔里木東南區塊碳酸鹽巖儲層巖石組分復雜,石灰巖、白云巖、硅化巖并存,含量變化大,且呈非均勻狀態分布。由于不同組分具有不同的測井響應骨架值,巖石組分的變化導致巖石骨架參數的變化,從而進一步影響巖石孔隙度參數的計算精度。采用三角形圖解法,經過優選巖性測井信息,確定端元特征值,建立了三礦物巖石組分識別模型和含量計算的新方法。通過與巖心分析礦物含量對比,平均絕對誤差小于7%,能夠滿足生產需求,為儲層參數精確求取奠定了基礎。
Abstract:
The components of reservoir rock are very complex for the carbonate rocks in southeast Tarim basin. Limestone, dolomite, and silicified rocks coexist and the content of these rocks vary greatly and show heterogeneous distribution. The calculation precision of porosity is affected because of different logging responses and variations of skeleton parameters which are caused by variations of rock component. A new method for calculating content of rock components and identification model of three mineral rock components are built by applying triangle-diagram, optimizing information of litho logic logging and fixing characteristic value of end member. Compared with the mineral content from core analysis, the average absolute error is less than 7%, which lays the foundation for determination of reservoir parameters.

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備注/Memo

備注/Memo:
基金項目: 大慶油田有限責任公司項目塔東區塊下古生界碳酸鹽巖儲層測井評價技術研究(201505011)
第一作者: 李曉輝,女,1969年生,高級工程師,從事測井評價與方法研究。E-mail:[email protected]
更新日期/Last Update: 2017-06-30
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