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随着油气田开发的深入,地面管线面临的腐蚀环境越来越恶劣,特别在一些高含H_2S/CO_2油气田,地面管线腐蚀问题十分严重,普通碳钢难以胜任,耐蚀合金又价格昂贵,双金属复合管的问世使其找到了行之有效的解决办法.本文从技术性、经济性两方面着手,对比分析了碳钢、缓蚀剂、耐蚀合金、双金属复合管四种防腐措施,结果表明双金属复合管具有最优越的技术经济效益.
With the development of oil and gas field, the corrosion environment of the surface pipeline is getting worse and worse. Especially in some H_2S / CO_2 high-gas fields, the corrosion of the surface pipeline is very serious, the common carbon steel is not competent, the corrosion resistant alloy is expensive, the bimetal The advent of the composite pipe made it find an effective solution.This paper from the technical and economic aspects, comparative analysis of carbon steel, corrosion inhibitor, corrosion resistant alloy, bimetallic composite pipe four kinds of anti-corrosion measures, the results show Bimetallic composite pipe has the most superior technical and economic benefits.