[1]郭克星,赵良玉,郑武斌,等.油田卤水对X70管线钢腐蚀行为的影响[J].焊管,2021,44(7):49-53,58.[doi:10.19291/j.cnki.1001-3938.2021.07.010]
　Translated by GUO Kexing,ZHAO Liangyu,ZHENG Wubin,et al.Effect of Oilfield Brine on the Corrossion of X70 Pipeline Steel[J].,2021,44(7):49-53,58.[doi:10.19291/j.cnki.1001-3938.2021.07.010]
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油田卤水对X70管线钢腐蚀行为的影响()
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《焊管》[ISSN:1001-3938/CN:61-1160/TE]

卷:
第44卷
期数:
2021年第7期
页码:
49-53,58
栏目:
国外焊管
出版日期:
2021-07-28

文章信息/Info

Title:
Effect of Oilfield Brine on the Corrossion of X70 Pipeline Steel
文章编号:
10.19291/j.cnki.1001-3938.2021.07.010
作者:
郭克星; 赵良玉; 郑武斌; 袁雪婷; 董 超; 张阿昱; 赵苗苗 编译
1. 国家石油天然气管材工程技术研究中心，陕西 宝鸡 721008；
2. 宝鸡石油钢管有限责任公司，陕西 宝鸡 721008
Author(s):
Translated by GUO Kexing;  ZHAO Liangyu;  ZHENG Wubin;  YUAN Xueting;  DONG Chao;  ZHANG Ayu;  ZHAO Miaomiao
1. Chinese National Engineering Research Center for Petroleum and Natural Gas Tubular Goods, Baoji 721008, Shaanxi, China;?div>2. Baoji Petroleum Steel Pipe Co., Ltd., Baoji 721008, Shaanxi, China
关键词:
X70管线钢; 油田卤水; 碳酸铁; 慢应变速率; 应力腐蚀
Keywords:
X70 pipeline steel;  oilfield brine;  iron carbonate;  slow strain rate;  stress corrosion
分类号:
TG142.1
DOI:
10.19291/j.cnki.1001-3938.2021.07.010
文献标志码:
A
摘要:
为了研究油田卤水对X70管线钢的腐蚀影响，通过在Muscat油田卤水和3.5% NaCl溶液两种条件下的慢应变速率拉伸试验和电化学腐蚀试验，并采用扫描电子显微镜（SEM）、原子力显微镜（AFM）、能谱仪（EDS）对X70管线钢的腐蚀行为进行了分析。结果显示，X70管线钢在油田卤水中腐蚀速率明显下降，在盐水中腐蚀速率增大；在油田环境中，管线钢表面观察到了一层细小致密的碳酸铁腐蚀膜，腐蚀膜降低了腐蚀速率。研究表明，与3.5% NaCl盐水环境试验相比，油田卤水环境中形成的碳酸铁膜对管线钢起到了保护作用，延长了X70管线钢的失效时间。
Abstract:
In order to study the corrosion effect of oilfield brine on X70 pipeline steel, the slow strain rate tensile test and electrochemical corrosion test were carried out under two conditions of Muscat oilfield brine and 3.5% NaCl solution. The corrosion behavior of X70 pipeline steel was analyzed by scanning electron microscope (SEM), atomic force microscope (AFM) and energy dispersive spectrometer (EDS). The results show that the corrosion rate of X70 pipeline steel decreases obviously in oilfield brine and increases in 3.5% NaCl solution. In the oil field environment, a fine and dense ferric carbonate corrosion film is observed on the surface of pipeline steel, which reduces the corrosion rate. The results show that, compared with the 3.5% NaCl brine environment test, the ferric carbonate film formed in the oilfield brine environment can protect the pipeline steel and prolong the failure time of X70 pipeline steel.

参考文献/References:

译自：PAUL C O, FURQAN A, BELADI H, et al. Effect of muscat oilfield brine on the stressed X-70 pipeline steel [J]. Vacuum,2019（164）：126-131.

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备注/Memo

备注/Memo:
收稿日期：2021-01-28
基金项目： 国家重点研发计划项目“高应变海洋管线管研制”（项目编号2018YFC0310300）。
作者简介：郭克星（1994—），男，硕士，辽宁朝阳人，助理工程师，现主要从事石油管材研究工作。
更新日期/Last Update: 2021-07-26