| L245钢在气田模拟水溶液中的氢渗透行为研究 |
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| 引用本文： | 袁曦,蒙恬,石磊,张强,谷坛,肖杰,江晶晶,汪枫,易大森.L245钢在气田模拟水溶液中的氢渗透行为研究[J].石油与天然气化工,2016,45(2):55-57. |
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| 作者姓名： | 袁曦 蒙恬 石磊 张强 谷坛 肖杰 江晶晶 汪枫 易大森 |
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| 作者单位： | 中国石油西南油气田公司天然气研究院,西南石油大学石油与天然气工程学院,中国石油西南油气田公司川东北天然气项目部,中国石油西南油气田公司天然气研究院,中国石油西南油气田公司天然气研究院,中国石油西南油气田公司天然气研究院,中国石油西南油气田公司天然气研究院,中国石油西南油气田公司天然气研究院,中国石油天然气第七建设公司 |
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| 基金项目： | 国家863项目“酸性油气田管道腐蚀安全智能监测系统”(2007AA06Z206)。 |
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| 摘 要： | 采用Devnathan-Stachurski双电解池技术,在饱和硫化氢的气田模拟水溶液中,测定了不同条件下L245钢的扩散系数(D)和可扩散原子氢浓度(C_0),研究了缓蚀剂CT2-19对原子氢渗透的影响。结果表明,在试验条件下,L245钢可扩散原子氢浓度(C_0)与充氢电流(I)呈线性关系,即C_0=0.63+0.12I;缓蚀剂CT2-19在试验浓度下对L245钢原子氢渗透有明显的抑制作用。
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| 关 键 词： | L245钢 氢致开裂 原子氢浓度 原子氢渗透 |
| 收稿时间： | 7/8/2015 12:00:00 AM |
Hydrogen permeation of L245 pipeline steel in hydrogen sulfide-saturated aqueous solution of natural gas field |
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| Yuan Xi,Meng Tian,Shi Lei,Zhang Qiang,Gu Tan,Xiao Jie,Jiang Jingjing,Wang Feng and Yi Dasen.Hydrogen permeation of L245 pipeline steel in hydrogen sulfide-saturated aqueous solution of natural gas field[J].Chemical Engineering of Oil and Gas,2016,45(2):55-57. |
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| Authors: | Yuan Xi Meng Tian Shi Lei Zhang Qiang Gu Tan Xiao Jie Jiang Jingjing Wang Feng and Yi Dasen |
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| Affiliation: | Research Institute of Natural Gas Technology, PetroChina Southwest Oil and Gasfield Company, Chengdu 610213, China,College of Oil and engineering, Southwest Petroleum University, Chengdu 610500, China,Northeastern Sichuan Project Department, PetroChina Southwest Oil and Gasfield Company, Dazhou 636164, China,Research Institute of Natural Gas Technology, PetroChina Southwest Oil and Gasfield Company, Chengdu 610213, China,Research Institute of Natural Gas Technology, PetroChina Southwest Oil and Gasfield Company, Chengdu 610213, China,Research Institute of Natural Gas Technology, PetroChina Southwest Oil and Gasfield Company, Chengdu 610213, China,Research Institute of Natural Gas Technology, PetroChina Southwest Oil and Gasfield Company, Chengdu 610213, China,Research Institute of Natural Gas Technology, PetroChina Southwest Oil and Gasfield Company, Chengdu 610213, China and China Petroleum and Natural Gas Company of the Seventh Construction, Qingdao 266300, China |
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| Abstract: | By an electrochemical method of Devnathan-Stachurski, hydrogen permeation(D) and hydrogen content(C0) in L245 pipeline steel during cathodic charging with hydrogen were measured, and the effect of inhibitor CT2-19 for L245 pipeline steel hydrogen permeation was evaluated. Experimental results showed that during dynamically charging with hydrogen of L245 pipeline steel in field simulation solution, the concentration of diffusible hydrogen(C0) is directly proportional to cathodic current(I), i.e,C0 =0.63+0.12 I; inhibitor CT2-19 is a good inhibitor for inhibiting hydrogen permeation at the experimental concentration. |
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| Keywords: | L245 pipeline steel hydrogen induced cracking hydrogen concentration hydrogen permeation |
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