Hydrogen Permeation Behaviors of X52 Pipeline Steel in NACE A Solution with Saturated H2S/CO2

武汉理工大学学报-材料科学版(英文版), 2012, 27(4): 657-661. doi: 10.1007/s11595-012-0523-2

^1, , ^2, , ^3, , ^4, , ^5, , ^6,

1.State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation,Southwest Petroleum University,Chengdu 610500,China

2.State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation,Southwest Petroleum University,Chengdu 610500,China

3.Engineering Technology Institute of Southwest Petroleum Branch,SINOPEC,Deyang 618000,China

4.State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation,Southwest Petroleum University,Chengdu 610500,China

5.State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation,Southwest Petroleum University,Chengdu 610500,China

6.State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation,Southwest Petroleum University,Chengdu 610500,China

基金项目: The Special Fund of China's Central Government for the Development of Local Colleges Postdoctoral Science Foundation(20110490810) The National Natural Science Foundation of China(50904050) Universitiesthe Project of National First-level Discipline in Oil and Gas Engineering The Program for National Science Foundation for Distinguished Young Scholars(51125019) The Basic Projects of Sichuan Province of China(2011JY0106)

Hydrogen Permeation Behaviors of X52 Pipeline Steel in NACE A Solution with Saturated H2S/CO2

ZHANG Zhi ^1, , LI Changjin ^2, , ZHANG Jiyin ^3, , ZENG Dezhi ^4, , ZHANG Liehui ^5, , SHI Taihe ^6,

1.State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation,Southwest Petroleum University,Chengdu 610500,China

2.State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation,Southwest Petroleum University,Chengdu 610500,China

3.Engineering Technology Institute of Southwest Petroleum Branch,SINOPEC,Deyang 618000,China

4.State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation,Southwest Petroleum University,Chengdu 610500,China

5.State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation,Southwest Petroleum University,Chengdu 610500,China

6.State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation,Southwest Petroleum University,Chengdu 610500,China

Keywords： pH value

With the aid of hydrogen permeating devices,the hydrogen permeation behaviors of X52 pipeline steel in NACE A solution with saturated H2S/CO2 were studied under the conditions of different ambient temperatures and pH values,and the hydrogen permeation behaviors of X52 pipeline steel in weld seam zone were comparatively studied.The experimental results show that the hydrogen permeation coefficient value is directly proportional to the time required for reaching the saturation anode current and inversely proportional to the saturation anode current,and the hydrogen permeation coefficient is influenced by the corrosion scales;the temperature is directly proportional to the saturation anode current,and the hydrogen permeation coefficient is influenced by the temperature and corrosion scales,heat-affected zone and matrix zone in NACE A solution with saturated H2S/CO2 at normal temperature.The hydrogen permeation coefficient in weld seam zone is larger than that in heat-affected zone which is further larger than that in matrix zone.

参考文献

[1]	Douglas M.Symons .A comparison of internal hydrogen embrittlement and hydrogen environment embrittlement of X-750[J].Engineering Fracture Mechanics,2001(6):751-771.
[2]	M.A. Guerrero;C. Betegon;J. Belzunce .Fracture analysis of a pressure vessel made of high strength steel (HSS)[J].Engineering failure analysis,2008(3):208-219.

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Hydrogen Permeation Behaviors of X52 Pipeline Steel in NACE A Solution with Saturated H2S/CO2

参考文献