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Experimental testing and numerical simulation to analyze the corrosion failures of single well pipelines in Tahe oilfield
Li, Ping; Zhao, Yang; Liu, Bin; Zeng, Guanxin; Zhang, Tao; Xu, Dake; Gu, Hong; Gu, Tingyue; Wang, Fuhui; Zhang, T (reprint author), Harbin Engn Univ, Minist Educ, Key Lab Supertight Mat & Surface Technol, Corros & Protect Lab, 145 Nantong St, Harbin 150001, Heilongjiang, Peoples R China.; Zhang, T; Xu, DK (reprint author), Chinese Acad Sci, Inst Met Res, State Key Lab Corros & Protect, 62 Wencui Rd, Shenyang 110016, Liaoning, Peoples R China.
2017-10-01
Source PublicationPERGAMON-ELSEVIER SCIENCE LTD
ISSN1350-6307
Volume80Pages:112-122
AbstractFrequent corrosion failures occurred on single well gathering lines in a section of the Tahe oil-field. The corrosion failures were investigated by means of experimental lab testing and numerical simulation. The electrochemical test results showed that the corrosion of the pipelines were controlled by two different mechanisms, which were influenced mainly by excessive dissolved oxygen (DO), higher temperature, lowered flow velocity and increased water cut. One mechanism was influenced by the excessive DO concentration and the higher temperature of injection water near the pipe entrance region. The corrosion rate noticeably increased at the entrance at a high temperature until DO was exhausted. The other mechanism resulted from the oil-water separation due to decreased flow velocity at the terminal climbing pipe sections. The change in flow led to the suspended particles being deposited, which caused under-deposit corrosion. The statistical analysis of the field corrosion data supported the two corrosion mechanisms.; Frequent corrosion failures occurred on single well gathering lines in a section of the Tahe oil-field. The corrosion failures were investigated by means of experimental lab testing and numerical simulation. The electrochemical test results showed that the corrosion of the pipelines were controlled by two different mechanisms, which were influenced mainly by excessive dissolved oxygen (DO), higher temperature, lowered flow velocity and increased water cut. One mechanism was influenced by the excessive DO concentration and the higher temperature of injection water near the pipe entrance region. The corrosion rate noticeably increased at the entrance at a high temperature until DO was exhausted. The other mechanism resulted from the oil-water separation due to decreased flow velocity at the terminal climbing pipe sections. The change in flow led to the suspended particles being deposited, which caused under-deposit corrosion. The statistical analysis of the field corrosion data supported the two corrosion mechanisms.
description.department[li, ping ; zhao, yang ; liu, bin ; zhang, tao ; wang, fuhui] harbin engn univ, minist educ, key lab supertight mat & surface technol, corros & protect lab, 145 nantong st, harbin 150001, heilongjiang, peoples r china ; [zhao, yang ; zhang, tao ; xu, dake ; wang, fuhui] chinese acad sci, inst met res, state key lab corros & protect, 62 wencui rd, shenyang 110016, liaoning, peoples r china ; [zeng, guanxin ; gu, hong] petrochina tarim oilfield co, shihua rd, korla 841000, peoples r china ; [gu, tingyue] ohio univ, inst corros & multiphase technol, dept chem & biomol engn, athens, oh 45701 usa
KeywordCorrosion Dissolved Oxygen Under-deposit Failure Analysis
Subject AreaEngineering, Mechanical ; Materials Science, Characterization & Testing
Funding Organizationprogram of Outstanding Young Scholars, the National Natural Science Foundation of China [U1460202]
Indexed BySCI
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/79081
Collection中国科学院金属研究所
Corresponding AuthorZhang, T (reprint author), Harbin Engn Univ, Minist Educ, Key Lab Supertight Mat & Surface Technol, Corros & Protect Lab, 145 Nantong St, Harbin 150001, Heilongjiang, Peoples R China.; Zhang, T; Xu, DK (reprint author), Chinese Acad Sci, Inst Met Res, State Key Lab Corros & Protect, 62 Wencui Rd, Shenyang 110016, Liaoning, Peoples R China.
Recommended Citation
GB/T 7714
Li, Ping,Zhao, Yang,Liu, Bin,et al. Experimental testing and numerical simulation to analyze the corrosion failures of single well pipelines in Tahe oilfield[J]. PERGAMON-ELSEVIER SCIENCE LTD,2017,80:112-122.
APA Li, Ping.,Zhao, Yang.,Liu, Bin.,Zeng, Guanxin.,Zhang, Tao.,...&Xu, DK .(2017).Experimental testing and numerical simulation to analyze the corrosion failures of single well pipelines in Tahe oilfield.PERGAMON-ELSEVIER SCIENCE LTD,80,112-122.
MLA Li, Ping,et al."Experimental testing and numerical simulation to analyze the corrosion failures of single well pipelines in Tahe oilfield".PERGAMON-ELSEVIER SCIENCE LTD 80(2017):112-122.
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