V150高强度钻杆刺穿的原因
Piercing Cause of V150 High Strength Drill Pipe
摘 要
V150高强度钻杆在某直井服役过程中于其加厚过渡带消失处出现刺穿现象,采用宏观形貌观察、磁粉探伤、微观形貌观察、化学成分分析、力学性能测试、有限元分析等方法对钻杆进行了失效分析。结果表明:该钻杆刺穿的原因为腐蚀疲劳。钻井液存在溶解氧和一定含量Cl-,且pH较低,钻杆加厚过渡带区域因应力集中而产生严重氧腐蚀,并形成周向分布的密集点蚀坑;服役时钻杆跳钻严重,周期性的振动导致钻杆加厚过渡带消失处点蚀坑底部的较大应力集中效应产生周期性变化,并使得钻杆发生共振现象,从而加剧了点蚀坑底部疲劳裂纹的萌生及扩展,并最终导致钻杆刺穿。
加厚过渡带
点蚀坑
氧腐蚀
疲劳裂纹
V150 drill pipe
thickening transition zone
dense pit
oxygen corrosion
fatigue crack
Abstract
The V150 high strength drill pipe was pierced in the disappearance area of thickening transition zone during the service in a vertical well. The failure analysis of drill pipe was carried out by macromorphology observation, magnetic particle inspection, micromorphology observation, chemical composition analysis, mechanical property testing, finite element analysis. The results show that the piercing cause of the drill pipe was corrosion fatigue. The drilling fluid contained dissolved oxygen and a certain content of Cl-, and the pH was low; serious oxygen corrosion occurred because of the stress concentration in the drilling pipe thickening transition zone, and dense pits were formed in the circumferential distribution. The drilling pipe jumped seriously during service, and the periodic vibration led to the periodic change of large stress concentration effect at the bottom of pit in the disappearance area of the thickening transition zone of drilling pipe; the drill pipe resonance phenomenon occurred, which intensified the initiation and propagation of fatigue cracks at the bottom of pit, and finally led to the piercing of drilling pipe.
中图分类号 TH142.2 DOI 10.11973/jxgccl202206011
所属栏目 失效分析
基金项目 上海市优秀技术带头人计划资助项目(19XD1430400)
收稿日期 2022/1/4
修改稿日期 2022/5/6
网络出版日期
作者单位点击查看
备注欧阳志英(1977-),女,江西吉安人,高级工程师,博士
引用该论文: OUYANG Zhiying,CHEN Meng,XIE Xiaowen. Piercing Cause of V150 High Strength Drill Pipe[J]. Materials for mechancial engineering, 2022, 46(6): 64～70
欧阳志英,陈猛,谢孝文. V150高强度钻杆刺穿的原因[J]. 机械工程材料, 2022, 46(6): 64～70
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【3】汪海阁,黄洪春,毕文欣,等.深井超深井油气钻井技术进展与展望[J].天然气工业,2021,41(8):163-177. WANG H G,HUANG H C,BI W X,et al.Deep and ultra-deep oil/gas well drilling technologies:Progress and prospect[J].Natural Gas Industry,2021,41(8):163-177.
【4】朱丽娟,刘永刚,李方坡,等.G105钢制钻杆腐蚀失效的原因[J].腐蚀与防护,2016,37(9):775-780. ZHU L J,LIU Y G,LI F P,et al.Corrosion failure reason of a G105 steel drill pipe[J].Corrosion&Protection,2016,37(9):775-780.
【5】毕洪运,于杰,赵鹏.G105钻杆腐蚀失效分析[J].理化检验(物理分册),2005,41(6):304-306. BI H Y,YU J,ZHAO P.Corrosion failure analysis of G105 drill pipe in deposited[J].Physical Testing and Chemical Analysis Part A Physical Testing,2005,41(6):304-306.
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【8】田伟,杨专钊,赵雪会,等.S135钻杆接头失效及腐蚀特征[J].理化检验(物理分册),2008,44(10):575-578. TIAN W,YANG Z Z,ZHAO X H,et al.Study on property of corrosion&failure for S135 drill rod joints[J].Physical Testing and Chemical Analysis (Part A:Physical Testing),2008,44(10):575-578.
【9】赵鹏,于杰,郭金宝.钻杆溶解氧腐蚀影响因素分析[J].钢管,2010,39(2):29-33. ZHAO P,YU J,GUO J B.Analysis of influencing factors on dissolved oxygen corrosion of drill pipe[J].Steel Pipe,2010,39(2):29-33.
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【11】白马,罗军,陈超,等.氯离子对钻杆用S135钢腐蚀的影响[J].材料保护,2021,54(2):140-144. BAI M,LUO J,CHEN C,et al.Effects of Cl- on corrosion of S135 steel for drill pipe[J].Materials Protection,2021,54(2):140-144.
【12】张毅,赵鹏.ϕ127 mm×9.19 mm IEU S-135钻杆腐蚀失效分析[J].钢管,2003,32(4):10-16. ZHANG Y,ZHAO P.Analysis on corrosion-caused failure of ϕ127 mm×9.19 mm IEU S-135 drill pipe[J].Steel Pipe,2003,32(4):10-16.
【13】刘婉颖,施太和,曾德智,等.一种石油钻杆的腐蚀机理[J].腐蚀与防护,2011,32(10):806-809. LIU W Y,SHI T H,ZENG D Z,et al.Corrosion mechanism of a drill pipe[J].Corrosion&Protection,2011,32(10):806-809.
【14】王磊,胡锐,王新虎,等.S135钻杆钢在钻井液中的氧腐蚀行为[J].石油机械,2006,34(10):1-4. WANG L,HU R, WANG X H,et al.The Oxygen corrosion behavior of S135 drill pipe steel in drill fluid[J].China Petroleum Machinery,2006,34(10):1-4.
【15】许杰,林海,霍宏博,等.渤海深井钻杆刺漏分析及疲劳寿命预测[J].钻采工艺,2018,41(6):23-26. XU J,LIN H,HUO H B,et al.Washout analysis and fatigue life prediction for drill pipes used in Bohai deep wells[J].Drilling&Production Technology,2018,41(6):23-26.
【16】罗军,白马,张悦,等.西北油田钻杆腐蚀疲劳敏感性模拟研究[J].材料保护,2021,54(4):53-57. LUO J,BAI M,ZHANG Y,et al.Study on the corrosion fatigue sensitivity of drill pipe in northwest oilfield[J].Materials Protection,2021,54(4):53-57.
【17】李志杰,曾聪,杨善,等.非开挖水平定向钻钻杆全尺寸疲劳试验研究[J].地下空间与工程学报,2020,16(3):741-748. LI Z J,ZENG C,YANG S,et al.Full scale fatigue test of trenchless horizontal directional drilling rod[J].Chinese Journal of Underground Space and Engineering,2020,16(3):741-748.
【18】刘艳辉,王佐,李松,等.定向钻硬岩正扩工艺钻杆刺漏原因分析及应对措施[J].石油工程建设,2018,44(6):63-65. LIU Y H,WANG Z,LI S,et al.Discussion on causes and countermeasures of drilling pipe leaking in hard rock forward reaming process of directional drilling[J].Petroleum Engineering Construction,2018,44(6):63-65.
【19】孟庆禹,吴百川.钻杆振动特性分析及疲劳周期预测[J].中国锰业,2019,37(6):87-90. MENG Q Y,WU B C.Vibration characteristics analysis and fatigue cycle prediction of petroleum drill pipe[J].China's Manganese Industry,2019,37(6):87-90.
【20】化春键,王超凡,陆云健.基于高低频复合振动的金属管材断裂行为研究[J].工程设计学报,2019,26(2):223-229. HUA C J,WANG C F,LU Y J.Research on fracture behavior of metal pipe based on high and low frequency composite vibration[J].Chinese Journal of Engineering Design,2019,26(2):223-229.
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