[1]王新虎,王林,王鹏,等.一种常见套管落井事故的原因分析[J].石油管材与仪器,2018,4(03):39-41.[doi:10.19459/j.cnki.61-1500/te.2018.03.010]
            ¡¡WANG Xinhu,WANG Lin,WANG Peng,et al.Analysis of Cause of a Common Casing Drop into the Oilwell Accident[J].Petroleum Tubular Goods & Instruments,2018,4(03):39-41.[doi:10.19459/j.cnki.61-1500/te.2018.03.010]
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            一种常见套管落井事故的原因分析
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            ¡¶石油管材与仪器¡·[ISSN:2096-0077/CN:61-1500/TE]

            卷:
            4
            期数:
            2018年03期
            页码:
            39-41
            栏目:
            失效分析与预防
            出版日期:
            2018-06-20

            文章信息/Info

            Title:
            Analysis of Cause of a Common Casing Drop into the Oilwell Accident
            文章编号:
            2096-0077£¨2018£©03-0039-03
            作者:
            王新虎1王林2王鹏1王建东1王建军1潘志勇1
            1.中国石油集团石油管工程技术研究院£¬石油管材及装备材料服役行为与结构安全国家重点实验室 陕西 西安 710077£»2. 川庆钻探长庆钻井总公司管具公司 陕西 榆林 719000
            Author(s):
            WANG Xinhu1 WANG Lin2 WANG Peng1 WANG Jiandong1 WANG Jianjun1 PAN Zhiyong1
            1. CNPC Tubular Goods Research Institute, State Key Laboratory for Performance and Structure Safety of Petroleum Tubular Goods and Equipment Materials, Xi¡äan, Shaanxi 710077, China; 2. CCDC Changqing General Drilling Company, Yulin, Shaanxi 719000, China
            关键词:
            套管脱扣失效吊卡
            Keywords:
            casing thread jump out failure elevator
            分类号:
            TE925.2
            DOI:
            10.19459/j.cnki.61-1500/te.2018.03.010
            文献标志码:
            A
            摘要:
            经常发生一种套管事故£¬就是在下套管过程中,套管在井口就脱扣落井¡£打捞出套管£¬可以发现脱扣接箍发生变形£¬承载端面受到损伤£¬根据接箍变形和损伤特征确认下套管过程中接箍偏斜插入吊卡孔内£¬由此产生的冲击力及螺纹丧失啮?#31995;?#33268;套管脱扣落井¡£吊卡活门变形及磨损是接箍偏斜插入吊卡孔内的原因¡£
            Abstract:
            It is one kind of often happened failure that a casing thread jump out and drop down into the well when running the casing string into the well. When the casing is fished, it is found that the failure coupling of the casing is deformed and its end face is damaged. According to the feature of the deformation and damage of the coupling, it is validated that the coupling insert slantways into the hole of the elevator when running the casing string, the impact and the failure of engaged threads brought by this induce the casing thread jump out and drop into the well. The deformation and wear of the elevator gate are the cause of coupling insert slantways into the hole of the elevator.

            参考文献/References:

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            备注/Memo

            备注/Memo:
            第一作者简介£º王新虎£¬男£¬1962年生£¬教授级高级工程师£¬1992年毕业于西北工业大学金属材料专业£¬获硕士学位£¬主要从事油井管失效分析与科学研究¡£E-mail£º [email protected]
            更新日期/Last Update: 2018-06-25
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