[1]李振興,呂拴錄.139.7 mm×7.72 mm J55 LC套管脫扣原因分析[J].石油管材與儀器,2018,4(05):58-60.[doi:10.19459/j.cnki.61-1500/te.2018.05.017]
             LI Zhenxing,LYU Shuanlu.Cause Analysis of 139.7 mm×7.72 mm J55 LC Casing Tripping[J].Petroleum Tubular Goods & Instruments,2018,4(05):58-60.[doi:10.19459/j.cnki.61-1500/te.2018.05.017]
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            139.7 mm×7.72 mm J55 LC套管脫扣原因分析
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            《石油管材與儀器》[ISSN:2096-0077/CN:61-1500/TE]

            卷:
            4
            期數:
            2018年05期
            頁碼:
            58-60
            欄目:
            失效分析與預防
            出版日期:
            2018-10-20

            文章信息/Info

            Title:
            Cause Analysis of 139.7 mm×7.72 mm J55 LC Casing Tripping
            文章編號:
            2096-0077(2018)05-0058-03
            作者:
            李振興1呂拴錄2
            1.衡陽華菱鋼管有限公司 湖南 衡陽 421001;2.中國石油大學 北京 102249
            Author(s):
            LI Zhenxing1 LYU Shuanlu2
            1. Hengyang Valin Steel Tube Co. Ltd., Hengyang, Hunan 421001, China; 2.China University of Petroleum, Beijing 102249, China
            關鍵詞:
            套管脫扣上扣粘扣錯扣
            Keywords:
            casing jump out make up galling wrong thread engagement
            分類號:
            TE925.2
            DOI:
            10.19459/j.cnki.61-1500/te.2018.05.017
            文獻標志碼:
            A
            摘要:
            139.7 mm×7.72 mm套管下井過程中發生了脫扣事故,對該脫扣套管的現場使用情況進行了調查分析,并對該套管的脫扣螺紋外觀形貌作了宏觀分析;從該套管上取樣試驗分析了其材料的化學成分和力學性能。檢驗分析結果表明,套管上扣過程中發生嚴重錯扣和粘扣,使套管連接強度大幅度降低,最終發生脫扣。套管錯扣和粘扣主要與現場對扣、引扣和上扣操作方法不當有關。
            Abstract:
            The tripping accident occurred during the 139.7 mm×7.72 mm casing downhole process. The field usage of the tripping casing was investigated and analyzed, the appearance of the tripping thread of the casing were also analyzed macroscopically, the chemical composition and mechanical properties of the casing material were analyzed by sampling test. The test and analysis results showed that the casing jumped out because of its joint strength reduced largely due to severe galling and wrong thread engagement in the process of casing buckle, which was caused by wrong methods of stabbing, strap, and make up during casing running.

            參考文獻/References:

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            備注/Memo

            備注/Memo:
            第一作者簡介:李振興,男,1982年生,工程師,2005年畢業于西安石油大學機械設計制造及自動化專業,獲學士學位,現從事油套管螺紋加工及油套管使用技術服務工作。E-mail: [email protected]
            更新日期/Last Update: 2018-10-25
            宁夏11选5