| 碳钢在废弃钻井液中的腐蚀行为研究 |
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| 引用本文： | 肖遥,郭稚弧,刘光全,王蓉莎.碳钢在废弃钻井液中的腐蚀行为研究[J].腐蚀科学与防护技术,2000,12(2):82-85. |
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| 作者姓名： | 肖遥 郭稚弧 刘光全 王蓉莎 |
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| 作者单位： | 1. 华中理工大学化学系,武汉,430074
2. 江汉石油学院化工系,湖北荆州,434102 |
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| 基金项目： | 中国石油天然气总公司“九五”科技攻关项目! (编号 970 60 7) |
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| 摘 要： | 采用失重法，动电位扫描、扫描电镜及俄歇电子能谱等手段，研究了碳钢在废弃钻井液化学脱稳处理过程中的腐蚀行为。结果表明：化学脱稳后的废弃钻井液腐蚀性增加，氧含量、ＰＨ值、温度、固相含量、金属阳离子及混凝剂等都对体育馆２行为有很大的影响；除氧和添加吸附型缓蚀剂可减缓废弃钻井液的腐蚀。
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| 关 键 词： | 废弃钻进液 化学脱稳处理 腐蚀 |
CORROSION BEHAVIOR OF MILD CARBON STEEL IN WASTE DRILLING FULIDS |
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| XIAO Yao,GUO Zhihu,LIU Guangquan,WANG Rongsha.CORROSION BEHAVIOR OF MILD CARBON STEEL IN WASTE DRILLING FULIDS[J].Corrosion Science and Protection Technology,2000,12(2):82-85. |
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| Authors: | XIAO Yao GUO Zhihu LIU Guangquan WANG Rongsha |
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| Affiliation: | XIAO Yao,GUO Zhihu,LIU Guangquan 1,WANG Rongsha 1 |
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| Abstract: | The corrosion behavior of mild carbon steel A3 in waste drilling fluids was studied by means of weight loss and electrochemical measurements, SEM and AES analysis. The experiment results showed that destabilized fluids, which were treated by adding chemical substance such as inorganic acids and salts or coaguations into waste drilling fluids, had stronger corrosiveness. The corrosion rate of mild steel in this fluids depended on the pH values, oxygen content, concentration of the inorganic salts and so on. It was also found that adding oxygen removal agents and corrosion inhibitors into the fluids could reduce the corrosion rate of A3 steel. |
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| Keywords: | waste drilling fluids chemical destabilization corrosion of wild carbon steel corrosion inhibitor |
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