| Predictive Model for Corrosion Rate of Oil Tubes in CO_2/H_2S Coexistent Environment Part Ⅰ: Building of Model |
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| 引用本文： | 李全安,白真权,黄得志,张清,文九巴,李鹤林.Predictive Model for Corrosion Rate of Oil Tubes in CO_2/H_2S Coexistent Environment Part Ⅰ: Building of Model[J].西南交通大学学报(英文版),2004,12(2). |
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| 作者姓名： | 李全安 白真权 黄得志 张清 文九巴 李鹤林 |
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| 作者单位： | School of Materials Science and Engineering，Henan University of Science and Technology，Tubular Goods Research Center of China National Petroleum Corporation，School of Materials Science and Engineering，Henan University of Science and Technology，School of Materials Science and Engineering，Henan University of Science and Technology，School of Materials Science and Engineering，Henan University of Science and Technology，Tubular Goods Research Center of China National Petroleum Corporation Luoyang 471003，China，Xi'an 710065，China，Luoyang 471003，China，Luoyang 471003，China，Luoyang 471003，China，Xi'an 710065，China |
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| 基金项目： | TheResearchProjectofTubularGoodsRe searchCenterofChinaNationalPetroleumCorporation (No .2 3 5 2 4)andtheResearchProjectofHenanUniversityofScienceandTechnology (No .2 0 0 10 1) |
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| 摘 要： | Introduction Sincethecorrosionofoiltubesinbrinesolutionscontainingcarbondioxide (CO2 )andhydrogensulfide(H2 S)gasesisasevereprobleminengineering ,itisveryurgenttobuildapredictivemodelofthecorrosionrate(rcorr)foroiltubesinCO2 /H2 Scoexistentenvironment …
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Predictive Model for Corrosion Rate of Oil Tubes in CO2/H2 S Coexistent Environment Part Ⅰ :Building of Model |
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| Li Quan'an Bai Zhenquan Huang Dezhi Zhang Qing Wen Jiuba Li Helin . School of Materials Science and Engineering,Henan University of Science and Technology,Luoyang ,China . Tubular Goods Research Center of China National Petroleum Corporation,Xi'an ,China.Predictive Model for Corrosion Rate of Oil Tubes in CO2/H2 S Coexistent Environment Part Ⅰ :Building of Model[J].Journal of Southwest Jiaotong University,2004,12(2). |
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| Authors: | Li Quan'an Bai Zhenquan Huang Dezhi Zhang Qing Wen Jiuba Li Helin School of Materials Science and Engineering Henan University of Science and Technology Luoyang China Tubular Goods Research Center of China National Petroleum Corporation Xi'an China |
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| Institution: | 1. School of Materials Science and Engineering,Henan University of &ience and Technology,Luoyang 471003,China
2. Tubular Goods Research Center of China National Petroleum Corporation,Xi'an 710065,China |
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| Abstract: | Based on an analysis of the existing models of CO 2 corrosion in literatures and the autoclave simulative experiments, a predictive model of corrosion rate (r corr) in CO 2/H 2S corrosion for oil tubes has been established, in which r corr is expressed as a function of pH, temperature (T), pressure of CO 2 (P CO 2) and pressure of H 2S (P H 2S). The model has been verified by experimental data obtained on N80 steel. The improved features of the predictive model include the following aspects: (1) The influence of temperature on the protectiveness of corrosion film is taken into consideration for establishment of predictive model of the r corr in CO 2/H 2S corrosion. The Equations of scale temperature and scale factor are put forward, and they fit the experimental result very well. (2) The linear relationship still exists between ln r corr and ln P CO 2 in CO 2/H 2S corrosion (as same as that in CO 2 corrosion). Therefore, a correction factor as a function of P H 2S has been introduced into the predictive model in CO 2/H 2S corrosion. (3) The model is compatible with the main existing models. |
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| Keywords: | Predictive model CO 2/H 2S corrosion Corrosion rate Scale temperature Oil tube |
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