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经济型抗H2S+CO2腐蚀油管BG110S-2Cr开发
引用本文:谭谆礼,张忠铧,蔡海燕,孙元宁.经济型抗H2S+CO2腐蚀油管BG110S-2Cr开发[J].钢管,2008,37(3):24-27.
作者姓名:谭谆礼  张忠铧  蔡海燕  孙元宁
作者单位:宝山钢铁股份有限公司研究院,上海,201900
摘    要:根据Cr元素对低合金钢力学性能的影响规律,在3Cr系列经济型抗H2S和(或)CO2腐蚀钢种基础上,成功开发出110kpsi(758MPa)钢级经济型抗H2S+CO2腐蚀油管BG110S-2Cr。试验表明,大生产BG110S-2Cr油管具有优良的抗H2S应力腐蚀开裂(SSC)性能。与常规P110油套管相比,在模拟油田典型腐蚀介质中其CO2腐蚀速率降低了一半以上。

关 键 词:油管  110kpsi(758  MPa)钢级  H2S  CO2  腐蚀

Development of Economical Oil Tubing BG110S-2Cr with Good H2S+CO2 Corrosion-resistant Properties
Tan Zhunli,Zhang Zhonghua,Cai Haiyan,Sun Yuanning.Development of Economical Oil Tubing BG110S-2Cr with Good H2S+CO2 Corrosion-resistant Properties[J].Steel Pipe,2008,37(3):24-27.
Authors:Tan Zhunli  Zhang Zhonghua  Cai Haiyan  Sun Yuanning
Affiliation:(Research Institute ofBaoshan I & S Corp., Ltd., Shanghai 201900, China)
Abstract:On the basis of Baosteel 3Cr series economical oil pipe steels which are used to resist H2S and(or)CO2 corrosion and according to the effect of Cr content on low alloy steels’mechanical properties, economical 110kpsi(758MPa)grade oil tubing BG110S-2Cr, which has good H2S+CO2 corrosion-resistant performance, has been developed successfully. The results showed that the mass produced tubing owned excellent ability of hydrogen sulphide stress corrosion(SSC)resistance. Furthermore, In simulated media of typical oil field, CO2 corrosion velocity of BG110S-2Cr was less than half that of common P110 tubing and casing.
Keywords:Oil tubing  110kpsi(758MPa) steel grade  H_2S  CO_2  Corrosion
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