抗硫套管钢P110SS在高含H2S/CO2条件下的硫化物应力腐蚀破裂敏感性
Stress Corrosion Cracking Sensitivity of Sulfide-resistant Casing Steel P110SS in Hyperbaric H2S/CO2 Environments
摘 要
利用高温高压反应釜模拟普光气田的工况环境, 采用慢应变速率拉伸试验(SSRT)方法研究了抗硫套管钢P110SS在高含H2S/CO2条件下的硫化物应力开裂(SSC)敏感性。结果表明, 在腐蚀环境中P110SS的力学性能和塑性损伤比较严重; 随着温度、H2S/CO2分压升高, P110SS力学性能和塑性损伤逐渐减弱, SSC敏感性降低, 温度起主导作用; SSC敏感性由高到低顺序: 井口工况条件＞井中部工况条件＞井底工况条件; 井口工况是防范SSC的重点。
高含H2S/CO2
慢应变速率拉伸试验
硫化物应力开裂
sulfide-resistant casing steel P110SS
hyperbaric H2S/CO2 environment
slow strain rate test
sulfide stress cracking
Abstract
The sulfide stress cracking (SSC) sensitivity of sulfide resistant casing steel P110SS in hyperbaric H2S/CO2 environments was studied by slow strain rate test (SSRT) method using a high temperature/pressure autoclave with simulated operating environments of Puyang Gas Field. The results show that compared with the blank condition, the mechanical property damage and plastic damage of P110SS were more serious in corrosion environments. With the increase of temperature, H2S/CO2 partial pressure rose gradually, the mechanical performance damage and plastic damage of P110SS weakened, SSC sensitivity of P110SS reduced. Temperature played a leading role. SSC sensitivity from high to low order: well head condition, well middle condition, well bottom condition. The mouth of well condition is the key guard against SSC.
中图分类号 TG172.9
所属栏目 试验研究
基金项目 国家科技重大专项(2008ZX05017-005)
收稿日期 2012/4/3
修改稿日期
网络出版日期
作者单位点击查看
备注王树涛, 高级工程师, 博士,
引用该论文: WANG Shu-tao,ZHENG Xin-yan,LI Ming-zhi,HUANG Xue-song,GUAN Jian-qing,ZHENG Shu-qi,CHEN Chang-feng,CHEN Yue-min. Stress Corrosion Cracking Sensitivity of Sulfide-resistant Casing Steel P110SS in Hyperbaric H2S/CO2 Environments[J]. Corrosion & Protection, 2013, 34(3): 189
被引情况:
【1】伍丹丹,肖琪,王树涛,黄雪松,关建庆,张庆生, "抗硫套管钢P110SS在高含H2S/CO2、Cl-共存条件下的腐蚀行为",腐蚀与防护 35, 112-116(2014)
【2】关建庆,张诚,欧天雄,陈长风, "L360管线钢在普光气田集输系统的腐蚀",腐蚀与防护 35, 214-217(2014)
【3】王元春,于勇,张斌斌,李言涛,田青, "X52管线钢在北阿模拟工况条件下的腐蚀行为",腐蚀与防护 37, 26-29(2016)
【4】张志宏,张江江,孙海礁,肖雯雯,邵晓东,刘琰, "塔河油田某深井钻杆断裂原因",腐蚀与防护 35, 192-195(2014)
【5】刘飞,黄金营,周仕明,高元,邓天安, "H2S/CO2介质中P110钢表面的局部电偶腐蚀行为",腐蚀与防护 36, 527-530(2015)
【6】刘飞,黄金营,夏成宇,周仕明,邓天安, "P110钢在不同温度含饱和H2S/CO2腐蚀溶液中的腐蚀行为",腐蚀与防护 37, 481-483(2016)
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参考文献
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【5】田青超, 董晓明, 郭金宝. 抗挤抗硫套管用CrMo钢在硫化氢介质中的电化学行为[J]. 宝钢技术, 2008, (5):49-54.
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【8】王霞, 钟水清, 马发明, 等. 含硫气井钻井过程中的腐蚀因素与防护研究[J]. 天然气工业, 2006, 26(9):80-84.
【9】王丹, 谢飞, 吴明, 等.硫化氢环境中管道钢的腐蚀及防护[J]. 油气储运, 2009, 28(9):10-12.
【10】褚武杨.氢损伤和滞后断裂[M]. 北京: 冶金工业出版社, 1988.
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