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        1. [1]劉子平,屈玲,姚夢麟.油氣井井筒泄漏超聲波檢測技術及應用[J].測井技術,2018,42(04):453-459.[doi:10.16489/j.issn.1004-1338.2018.04.016]
           LIU Ziping,QU Ling,YAO Menglin.Application and Technology of Ultrasonic Inspection and Measurement for Well Leak Detection[J].WELL LOGGING TECHNOLOGY,2018,42(04):453-459.[doi:10.16489/j.issn.1004-1338.2018.04.016]
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          油氣井井筒泄漏超聲波檢測技術及應用()
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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:
          453-459
          欄目:
          綜合應用
          出版日期:
          2018-09-05

          文章信息/Info

          Title:
          Application and Technology of Ultrasonic Inspection and Measurement for Well Leak Detection
          文章編號:
          1004-1338(2018)04-0453-07
          作者:
          劉子平1 屈玲2 姚夢麟3
          1.中國石油川慶鉆探工程有限公司, 四川 成都 610051; 2.中國石油川慶鉆探工程有限公司頁巖氣項目部, 四川 成都 610051; 3.中國石油川慶鉆探工程有限公司地質勘探開發研究院, 四川 成都 610051
          Author(s):
          LIU Ziping1 QU Ling2 YAO Menglin3
          1. CNPC Chuanqing Drilling Engineering CO. LTD., Chengdu, Sichuan 610051, China; 2. Shalegas Exploration and Development Department of CNPC Chuanqing Drilling Engineering CO. LTD., Chengdu, Sichuan 610051, China; 3. Geological Exploration and Development Research Institute of CNPC Chuanqing Drilling Engineering CO. LTD., Chengdu, Sichuan 610051, China
          關鍵詞:
          井筒完整性 泄漏探測 超聲波檢測 梯度井溫測井 噪聲測井 三高氣井
          Keywords:
          Keywords: wellbore integrity leakage detection ultrasonic inspection gradient well temperature logging noise logging high-temperature high-sulfur-bearing and high-productivity gas well
          分類號:
          P631.84
          DOI:
          10.16489/j.issn.1004-1338.2018.04.016
          文獻標志碼:
          A
          摘要:
          油氣井或注水井的油套管泄漏或套管環空竄漏檢測是井筒完整性管理中的重要環節。梯度井溫測井、流量計測井、噪聲測井等常規井筒泄漏檢測技術,往往因為小的泄漏引起的泄漏點周緣溫度、壓力、流量等變化低于測井儀器的分辨率。介紹井下超聲波泄漏檢測儀WLD的儀器結構和測量原理,給出了儀器的技術指標和主要特點。以四川油氣田典型“三高氣井”LG2井的井下超聲波泄漏測井找漏為例,分析、評價了井下超聲波泄漏檢測儀現場應用。實際應用表明,井下超聲波泄漏檢測儀能夠檢測微小滲漏。即使在外層水泥環或套管環空存在竄漏等井下復雜檢測環境下,也能識別出內層管柱上的泄漏點。新一代井下超聲波泄漏檢測技術在四川油氣田的成功應用,可望為查找“三高氣井”油套管泄漏或套管環空竄漏等提供準確的測井檢測手段,為“三高氣井”治理提供科學決策依據。
          Abstract:
          Abstract: Tubing and production casing leakage or tubing-casing annulus channeling detection in oil and gas wells or injection wells is an important part of wellbore integrity management. Conventional wellbore leakage detection techniques, such as gradient well temperature logging, flowmeter logging and noise logging, often face challenges due to small changes of peripheral temperature, pressure and flow rate of the leaking point are lower than the resolution of the logging instrument. A new generation of downhole ultrasonic leakage detector WLD can address the problem. The instrument structure and measurement principle of WLD are introduced, and the technical indicators and main features of the instrument are given. Taking the downhole ultrasonic leakage logging of the typical high-temperature, high-sulfur-bearing and high-productivity gas well LG2 in Sichuan oil and gas field as case study, the field application of the ultrasonic leakage detector is analyzed and evaluated. Applications have shown that the downhole ultrasonic leakage detector are capable of detecting small leaks. Leakage points on the inner pipeline can be identified even in complex detection environments such as leaking in the outer cement sheath or casing annulus. The successful application of the new generation of downhole ultrasonic leakage detection technology in Sichuan oil and gas fields is expected to provide accurate logging detection method for finding tubing and casing leakage or casing annulus leakage in “high-temperature, high-sulfur-bearing and high-productivity gas well”, and provide scientific decision-making basis for the treatment of “high-temperature, high-sulfur-bearing and high-productivity gas well”.

          參考文獻/References:

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          備注/Memo

          備注/Memo:
          第一作者: 劉子平,男,1970年生,高級工程師,從事油氣合作開發技術管理與研究工作。E-mail:[email protected]
          更新日期/Last Update: 2018-09-05
          11选五开奖结果