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油管钢的CO₂和H₂S腐蚀及防护技术研究进展

Research Progress on CO₂ and H₂S Corrosion on Tubular and Its Protection

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【Author】 SUN Can1,XIE Fa-qin1,TIAN Wei1,2,WU Xiang-qing1(1.School of Aeronautics,Northwestern Polytechnical University,Xi’an 710072,China;2.Research Instituteof Tube,China National Petroleum Corporation,Xi’an 710065,China)

【机构】西北工业大学航空学院；中国石油天然气集团公司管材研究所；

【摘要】综述了油管钢的CO2和H2S腐蚀机理和防护措施,分析了常规防护技术的特点及其局限性。提出了用热喷涂镍基合金涂层的方法解决油管CO2和H2S腐蚀问题的思路,并经过初步的试验验证表明,Ni基合金涂层具有优异性能与广阔的应用前景。更多还原

【Abstract】 A comprehensive review of the CO2 and H2S corrosion mechanism and current protective measures of tubular goods were presented.The characteristics and limitations of these protective measures were analyzed.The Ni-based coatings made by thermal spraying were proposed to be used to protect tubular goods from CO2 and H2S corrosion.The preliminary experiment result showed that Ni-based coatings had excellent performance and wide application prospects.更多还原