[1]郭克星,赵红波,李泽轩 编译.CO2饱和介质中碳源对管线钢SRB腐蚀行为的影响[J].焊管,2022,45(2):57-63.[doi:10.19291/j.cnki.1001-3938.2022.02.010]
　Translated by GUO Kexing,ZHAO Hongbo,LI Zexuan.Effect of Carbon Source in CO2 Saturated Medium on SRB Corrosion Behavior of Pipeline Steel[J].,2022,45(2):57-63.[doi:10.19291/j.cnki.1001-3938.2022.02.010]
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CO2饱和介质中碳源对管线钢SRB腐蚀行为的影响()
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《焊管》[ISSN:1001-3938/CN:61-1160/TE]

卷:
45
期数:
2022年第2期
页码:
57-63
栏目:
国外焊管
出版日期:
2022-02-28

文章信息/Info

Title:
Effect of Carbon Source in CO2 Saturated Medium on SRB Corrosion Behavior of Pipeline Steel
文章编号:
10.19291/j.cnki.1001-3938.2022.02.010
作者:
郭克星; 赵红波; 李泽轩 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；3. 宝鸡钛业股份有限公司，陕西 宝鸡 721014
Author(s):
Translated by GUO Kexing;  ZHAO Hongbo;  LI Zexuan
1. Chinese National Engineering Research Center for Petroleum and Natural Gas Tubular Goods, Baoji 721008, Shaanxi, China; 2. Baoji Petroleum Steel Pipe Co., Ltd., Baoji 721008, Shaanxi, China; 3. Baoji Titanium Industry Co., Ltd., Baoji 721014, Shaanxi, China
关键词:
管线钢; 油田采出水; 硫酸盐还原菌; 微生物腐蚀; SRB生物膜; CO2腐蚀
Keywords:
pipeline steel;  oilfield produced water;  sulphate reducing bacteria;  microorganism corrosion;  SRB biofilm;  CO2 corrosion
分类号:
TG172.7
DOI:
10.19291/j.cnki.1001-3938.2022.02.010
文献标志码:
A
摘要:
为探究碳源对油田环境下管线钢微生物腐蚀的机理，研究了不同浓度有机碳源在模拟CO2饱和油田产出水中SRB细胞的存活情况及其对管线钢腐蚀行为的影响。结果显示，细胞数量随着碳源减少（carbon source reduction，CSR）而减少，但与100%CSR（极端碳饥饿）相比，80%CSR（中度碳饥饿）下存活的浮游细胞更多。即使在碳源饥饿后，细胞生存所需的能量可以通过胞外Fe氧化和胞内硫酸盐还原来提供。在局部腐蚀过程中形成氧化亚铁膜和FeS/MnS团聚体。失重和动电位极化曲线测试结果表明，与乳酸和柠檬酸盐同时存在的培养基相比，在80%CSR范围内培养时，钢的腐蚀更严重。在培养期末，观察到严重的钢溶解现象，这是由SRB主导的MIC（微生物腐蚀）和CO2腐蚀造成的。
Abstract:
In order to explore the mechanism of microbial corrosion of pipeline steel in oil wells with limited carbon source, the survival of SRB cells in simulated CO2 saturated oilfield produced water with different concentrations of organic carbon sources and their effects on the corrosion behavior of pipeline steel were studied. The results showed that the number of cells decreased with the decrease of carbon source reduction (CSR), but compared with 100% CSR (extreme carbon starvation), more planktonic cells survived under 80% CSR (moderate carbon starvation). Even after carbon starvation, the energy needed for cell survival can be restored by extracellular Fe oxidation and intracellular sulfate. Ferrous oxide film and FeS/MnS aggregates were formed during local corrosion. The results of weight loss and potentiodynamic polarization curves showed that compared with the medium containing lactic acid and citrate, the corrosion of steel was more serious when cultured in the range of 80 % CSR. At the end of the culture period, severe steel dissolution was observed, which was caused by SRB dominated MIC (microorganism corrosion) and CO2 corrosion.

参考文献/References:

译自：EDUOK U，OHAERI E，SZPUNAR J. Accelerated corrosion of pipeline steel in the presence of desulfovibrio desulfuricans biofilm due to carbon source deprivation in CO2 saturated medium[J]. Materials Science & Engineering C，2019（105）: 110095.

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备注/Memo

备注/Memo:
收稿日期：2021-05-31作者简介：郭克星（1994—），男，辽宁朝阳人，工学硕士，助理工程师，现主要从事石油天然气管材研究工作。基金项目：国家重点研发计划“低温高压服役条件下高强度管线用钢”（项目编号2017YFB0304903）。
更新日期/Last Update: 2022-03-03