| 油田套管P110钢在含氯介质中的腐蚀行为研究 |
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| 引用本文： | 华万欣,秦开明,张再良,王勇.油田套管P110钢在含氯介质中的腐蚀行为研究[J].价值工程,2012,31(15):69-70. |
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| 作者姓名： | 华万欣 秦开明 张再良 王勇 |
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| 作者单位： | 1. 东北石油大学材料科学与工程系,大庆,163318
2. 中国石油工程建设公司苏丹分公司,北京,100120 |
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| 摘 要： | 采用电化学方法测试了油田套管用P110钢在NaCl、KCl和CaCl2三种含氯溶液中的极化曲线,分析了温度和浓度对其腐蚀行为的影响规律。结果表明,在单一饱和氯化物溶液中,P110钢耐蚀性随着温度的升高而升高,溶液中的溶解氧含量降低,P110钢的腐蚀电位升高,腐蚀电流密度降低。在20、40、60℃时的饱和溶液中,P110钢耐蚀性随着浓度的增加而增加。P110钢在不同介质中的腐蚀速率均为:NaCl>KCl>CaCl2。
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| 关 键 词： | 套管 含氯介质 P110钢 腐蚀行为 |
Corrosion Behavior of P110 Casing Steel in Chloride-Containing Solution |
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| Hua Wanxin
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Qin Kaiming
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Zhang Zailiang
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Wang Yong.Corrosion Behavior of P110 Casing Steel in Chloride-Containing Solution[J].Value Engineering,2012,31(15):69-70. |
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| Authors: | Hua Wanxin Qin Kaiming Zhang Zailiang Wang Yong |
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| Institution: | ① Hua Wanxin;② Qin Kaiming;② Zhang Zailiang;① Wang Yong(①Department of Material Science and Engineering,Northeast Petroleum University,Daqing 163318,China) ②Sultan Branch,China Petroleum Engineering and Construction Corporation,Beijing 100120,China) |
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| Abstract: | Corrosion behavior of P110 oil pipeline steel in NaCl,KCl,CaCl2 solution was investigated in this paper.The effects of the temperature and the concentration on corrosion behavior were also analyzed.The results showed that the corrosion resistance of P110 steel increased with the temperature and the concentration of chloride ions.With the temperature increased,the corrosion potential increased and the corrosion current density decreased.The corrosion rate of P110 steel always abide by the order of NaCl>KCl>CaCl2. |
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| Keywords: | casing steel chloride-containing solution P110 steel electrochemical corrosion behavior |
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