Pitting and CO2corrosion behavior of oil and gas pipeline welds

Huan Xie; Xiang Chen; Yongxin Lu; Qian Zhang; Haitao Wang

doi:10.1515/mt-2021-0034

Pitting and CO₂corrosion behavior of oil and gas pipeline welds

Huan Xie, Xiang Chen, Yongxin Lu, Qian Zhang, Haitao Wang

Research output: Contribution to journal › Article › peer-review

Abstract

A finite element (FE) model is presented in this work that is used to analyze the effect of pitting corrosion on the CO2 corrosion behavior of oil and gas pipeline welds. The FE model contains two parts, i. e., stress calculation of the welded joint using Abaqus software, and of the chemical reaction at the welded joint using COMSOL Multiphysics® software. The effect of transportation pressure, pit depth and welding material on the CO2 corrosion behavior of weld metal was investigated using the FE model. It turned out that the FE model is helpful to instruct the management and to assess the remaining service life prediction of pipelines in the oil and gas industry.

Original language	English
Pages (from-to)	1018-1024
Number of pages	7
Journal	Materialpruefung/Materials Testing
Volume	63
Issue number	11
DOIs	https://doi.org/10.1515/mt-2021-0034
State	Published - Nov 2021
Externally published	Yes

Keywords

Welded joint
corrosion properties
finite element model
mechanical properties
pitting corrosion

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10.1515/mt-2021-0034

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abstract = "A finite element (FE) model is presented in this work that is used to analyze the effect of pitting corrosion on the CO2 corrosion behavior of oil and gas pipeline welds. The FE model contains two parts, i. e., stress calculation of the welded joint using Abaqus software, and of the chemical reaction at the welded joint using COMSOL Multiphysics{\textregistered} software. The effect of transportation pressure, pit depth and welding material on the CO2 corrosion behavior of weld metal was investigated using the FE model. It turned out that the FE model is helpful to instruct the management and to assess the remaining service life prediction of pipelines in the oil and gas industry.",

keywords = "Welded joint, corrosion properties, finite element model, mechanical properties, pitting corrosion",

author = "Huan Xie and Xiang Chen and Yongxin Lu and Qian Zhang and Haitao Wang",

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AU - Xie, Huan

AU - Chen, Xiang

AU - Lu, Yongxin

AU - Zhang, Qian

AU - Wang, Haitao

PY - 2021/11

Y1 - 2021/11

N2 - A finite element (FE) model is presented in this work that is used to analyze the effect of pitting corrosion on the CO2 corrosion behavior of oil and gas pipeline welds. The FE model contains two parts, i. e., stress calculation of the welded joint using Abaqus software, and of the chemical reaction at the welded joint using COMSOL Multiphysics® software. The effect of transportation pressure, pit depth and welding material on the CO2 corrosion behavior of weld metal was investigated using the FE model. It turned out that the FE model is helpful to instruct the management and to assess the remaining service life prediction of pipelines in the oil and gas industry.

AB - A finite element (FE) model is presented in this work that is used to analyze the effect of pitting corrosion on the CO2 corrosion behavior of oil and gas pipeline welds. The FE model contains two parts, i. e., stress calculation of the welded joint using Abaqus software, and of the chemical reaction at the welded joint using COMSOL Multiphysics® software. The effect of transportation pressure, pit depth and welding material on the CO2 corrosion behavior of weld metal was investigated using the FE model. It turned out that the FE model is helpful to instruct the management and to assess the remaining service life prediction of pipelines in the oil and gas industry.

KW - Welded joint

KW - corrosion properties

KW - finite element model

KW - mechanical properties

KW - pitting corrosion

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JO - Materialpruefung/Materials Testing

JF - Materialpruefung/Materials Testing

IS - 11

ER -

Pitting and CO₂corrosion behavior of oil and gas pipeline welds

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