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        3. [1]周彥球,崔巖磊,徐潔.成像測井裂縫自動化精細描述[J].測井技術,2018,42(06):634-640.[doi:10.16489/j.issn.1004-1338.2018.06.005]
           ZHOU Yanqiu,CUI Yanlei,XU Jie.Automatic Fine Description Technology of Fractures with Imaging Logging[J].WELL LOGGING TECHNOLOGY,2018,42(06):634-640.[doi:10.16489/j.issn.1004-1338.2018.06.005]
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          成像測井裂縫自動化精細描述()
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          《測井技術》[ISSN:1004-1338/CN:61-1223/TE]

          卷:
          第42卷
          期數:
          2018年06期
          頁碼:
          634-640
          欄目:
          處理解釋
          出版日期:
          2018-12-31

          文章信息/Info

          Title:
          Automatic Fine Description Technology of Fractures with Imaging Logging
          文章編號:
          1004-1338(2018)06-0634-07
          作者:
          周彥球崔巖磊徐潔
          中國石油集團測井有限公司大慶分公司,黑龍江大慶163412
          Author(s):
          ZHOU YanqiuCUI YanleiXU Jie
          Daqing Branch, China Petroleum Logging CO. LTD., Daqing, Heilongjiang 163412, China
          關鍵詞:
          成像測井裂縫發育參數產狀類型傾角壓裂地應力主頻分析
          Keywords:
          imaging logging fracture development parameter type of occurrence dip angle fracturing geo-stress main frequency analysis
          分類號:
          P63184
          DOI:
          10.16489/j.issn.1004-1338.2018.06.005
          文獻標志碼:
          A
          摘要:
          針對成像測井解釋中,裂縫發育參數(寬度、長度、密度、面孔率等)及裂縫的產狀類型,以儲層的總體屬性為研究對象,以計算機編程為手段,研究裂縫的自動化精細描述方法。分析裂縫發育參數曲線的自動分層、統計讀值,生成儲層裂縫表及裂縫自然表的算法;在厘定單一裂縫按傾角、方位的數值化分類準則的基礎上,綜合考慮目的層段裂縫的空間分布及可能的交切關系,將其組合類型劃分為水平縫、垂直縫、低角縫、高角縫、高角斜交縫、低角斜交縫、混和斜交縫、雜亂斜交縫等8種,分別給出了其統計定義及基于主頻分析的具體判別算法。通過理論分析,統計確定儲層中裂縫的主要走向,根據其與地應力方向的夾角大小判斷其在壓裂時開啟的難易性質。使用CIFLog測井解釋平臺開發了地質統計模塊,處理結果與基于成像測井圖像的人工分析一致,在深層火山巖、塔東碳酸鹽巖等儲層的成像測井解釋中,提高了解釋生產效率,并有效地指導了壓裂施工方案設計,為儲層的壓裂改造提供了關鍵的參考信息。
          Abstract:
          Imaging logging can provide fracture parameters (width, length, density, face porosity, etc.) and the fracture type, but it often takes a lot of time to process imaging logging by manual processing. In this paper, the overall property of the reservoir is taken as the research object, and a method of automatically and finely describing the fractures is studied by means of programming. The method realizes automatic stratification and statistics of the corresponding fracture values by analyzing the curves of fracture parameters. At the same time, it can also generate the reservoir fracture table and the natural fracture table. In addition, on the basis of determining the numerical classification criterion of single fracture according to inclination angle and orientation, the method also comprehensively considers the spatial distribution of the fractures in the target interval and the possible intersection relationship, so that, the combination type of fracture is divided into the following eight types: horizontal fracture, vertical fracture, low-angle fracture, high-angle fracture, high-angle oblique joint fracture, low-angle oblique joint fracture, mixed oblique joint fracture, messy oblique joint fracture, etc. The statistical definition and the specific discriminant algorithm based on the main frequency analysis for each fracture type are also given. Through statistical analysis, the main strike of the fracture in the reservoir is determined, and the difficulty of opening while fracturing is judged according to the angle between the strike and the direction of the geo stress. The corresponding geostatistical module was developed using the CIFLog logging interpretation platform, and the processing results of the imaging logging are consistent with the manual analysis. This module has been well applied in the imaging logging interpretation of deep volcanic rocks and Tadong carbonate rocks. It not only improves the interpretation efficiency, but also effectively guides the design of the fracturing plan, and provides key reference information for the fracturing of the reservoir.

          參考文獻/References:

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          備注/Memo

          備注/Memo:
          作者簡介:周彥球,男, 1981年生, 高級工程師, 從事測井資料處理解釋。E-mail:[email protected]
          更新日期/Last Update: 2018-12-31
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