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        1. [1]吳俊,瞿建華,錢海濤,等.瑪北斜坡三疊系百口泉組砂礫巖油藏巖性識別方法[J].測井技術,2018,42(04):390-394.[doi:10.16489/j.issn.1004-1338.2018.04.004]
           WU Jun,QU Jianhua,QIAN Haitao,et al.Lithology Identification of the Baikouquan Formation in Mabei Slope Area[J].WELL LOGGING TECHNOLOGY,2018,42(04):390-394.[doi:10.16489/j.issn.1004-1338.2018.04.004]
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          瑪北斜坡三疊系百口泉組砂礫巖油藏巖性識別方法()
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          《測井技術》[ISSN:1004-1338/CN:61-1223/TE]

          卷:
          第42卷
          期數:
          2018年04期
          頁碼:
          390-394
          欄目:
          處理解釋
          出版日期:
          2018-09-05

          文章信息/Info

          Title:
          Lithology Identification of the Baikouquan Formation in Mabei Slope Area
          文章編號:
          1004-1338(2018)04-0390-05
          作者:
          吳俊 瞿建華 錢海濤 龐雷
          中國石油新疆油田分公司勘探開發研究院, 新疆 克拉瑪依 834000
          Author(s):
          WU Jun QU Jianhua QIAN Haitao PANG Lei
          Research Institute of Petroleum Exploration and Development, Xinjiang Oilfield Company, PetroChina, Karamay, Xinjiang 834000, China
          關鍵詞:
          測井解釋 巖性識別 判別分析 砂礫巖儲層 瑪北斜坡 百口泉組
          Keywords:
          Keywords: log interpratation lithology identification discriminant analysis sandy-conglomerate reservoir Mabei slope baikouquan formation
          分類號:
          P631.84
          DOI:
          10.16489/j.issn.1004-1338.2018.04.004
          文獻標志碼:
          A
          摘要:
          以瑪北斜坡三疊系百口泉組為例,探索復雜砂礫巖地層的測井巖性識別方法。研究區百口泉組為扇三角洲沉積,儲集層巖性為砂礫巖,巖石結構成熟度與成分成熟度均較低,非均質性強,屬低孔隙度低滲透率儲層,測井資料反映儲集體有效信息較少,利用常規測井二元交會圖法準確識別巖性的難度大,無法滿足油藏精細評價需求。通過對巖心、錄井、測井和分析化驗等資料的綜合分析和研究,運用Fisher判別分析法,選取對儲層巖性敏感的自然伽馬相對值、聲波時差、補償密度、補償中子、深電阻率和淺電阻率6條測井曲線,建立研究區百口泉巖性判別模型,巖性判別準確率達92.2%,提高了該區砂礫巖儲集層巖性識別的精度,為該區后續的儲層評價和目標優選提供可靠的巖性數據。
          Abstract:
          Abstract: Lithology identification is an important and difficult research work in the exploitation and evaluation stage of complex sandy-conglomerate reservoir with low permeability. This study takes Triassic Baikouquan Formation in Mabei slope as an example to explore lithology identification method of complex lithologic reservoir with logging data. The sedimentary environment of Baikouquan formation of the north slope of Mahu Depression is fan-delta. The lithology of the reservoir is glutenite. The structural maturity and compositional maturity of the rock are all relatively low, and the heterogeneity is strong. It is a reservoir with low porosity and low permeability. Based on that, the effective information of reservoirs reflected by logging data is relatively small and it's very difficulted to identify the lithology of the reservoir by logging data. In order to meet the needs of fine reservoir evaluation, a lithologic identification model was built based on the comprehensive analysis and research on core, logging and mud logging. There, the Fisher discriminant analysis method is used to choose five log cures including ΔGR, AC, DEN, CNL, Rt and RI, which are sensitive to reservoir lithology. The results shown that the accuracy of new lithology discriminant model reaches to 92.2% and can provide reliable data for reservoir evaluation.

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          備注/Memo

          備注/Memo:
          基金項目: 國家油氣重大專項準噶爾盆地巖性地層油氣藏分布規律與目標評價(2017ZX05001-004); 中國石油天然氣股份有限公司科技重大專項準噶爾盆地油藏富集規律及勘探技術研究與應用(2017E-0401) 第一作者: 吳俊,男,1987年生,碩士,工程師,從事石油地質工作。E-mail:[email protected] 通訊作者: 瞿建華,男,1981年生,高級工程師,從事石油地質工作。E-mail:[email protected]
          更新日期/Last Update: 2018-09-05
          11选五开奖结果