S135钻杆接头失效及腐蚀特征
STUDY ON PROPERTY OF CORROSION & FAILURE FOR S135 DRILL ROD JOINTS
摘 要
通过化学成分分析、力学性能测试、组织结构分析和高温高压模拟试验,对127 mm(5″)S135钻杆接头内壁出现划痕、凹槽和腐蚀三种失效形式,钻杆的腐蚀速率和腐蚀产物进行分析研究。结果表明:该钻杆接头的材料性能符合相关标准要求,钻杆接头腐蚀机理是氧腐蚀,腐蚀产物主要是Fe3O4和FeOOH,划痕和凹槽是由于使用不当和卡槽所致。
失效
腐蚀
drill rod joint
failure
corrosion
Abstract
The three fail form of scoring,fillister and corrosion for 127 mm (5″) S135 drill rod joint,corrosion rate and corrosion production have been researched by means of analysis of chemical composition and microstructure,testing of mechanical property. The results show that the material property of the drill rod joint are according to API standard,the corrosion mechanism is oxygen corrosion,corrosion production are mainly Fe3O4 and FeOOH and the scoring and fillister are formed because of incorrect application and seized flute.
中图分类号 TE921+.2
所属栏目 质量控制与失效分析
基金项目
收稿日期 2007/6/14
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备注田 伟(1978-),男,工程师,硕士。
引用该论文: TIAN Wei,YANG Zhuan-zhao,ZHAO Xue-hui,BAI Zhen-quan. 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
田 伟,杨专钊,赵雪会,白真权. 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
被引情况:
【1】许天旱,杨 宝,王党会,刘永刚,王 荣, "温度对破损涂层S135钻杆钢在3.5% KCl溶液中电化学腐蚀行为的影响",腐蚀与防护 37, 644-647(2016)
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参考文献
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【2】王健云,周清木,秦平刚,等.工业纯铁的缝隙腐蚀探讨［J］.化工机械,2000,27(3):136-138．
【3】张 毅,赵 鹏.S-135钻杆腐蚀失效分析［J］.试验与研究,2003,32(4):10-14．
【4】Fierro G,Ingo G M,Mancla Fi. XPS-investigation on the corrosion behavior of 13Cr martensitic stainless steel in CO2-H2S-Cl- environment［J］. Corrosion,1989(10):814．
【5】张承中.金属的腐蚀与防护［M］.北京:冶金工业出版社,2000:105．
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