International Journal of Naval Architecture and Ocean Engineering

  • 제7권3호
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  • Pages.435-451
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  • 2015
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  • 2092-6782(pISSN)
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  • 2092-6790(eISSN)
대한조선학회 (The Society of Naval Architects of Korea)
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Burst strength behaviour of an aging subsea gas pipeline elbow in different external and internal corrosion-damaged positions

  • Lee, Geon Ho (The Korea Ship and Offshore Research Institute (The Lloyd's Register Foundation Research Centre of Excellence), Pusan National University) ;
  • Pouraria, Hassan (The Korea Ship and Offshore Research Institute (The Lloyd's Register Foundation Research Centre of Excellence), Pusan National University) ;
  • Seo, Jung Kwan (The Korea Ship and Offshore Research Institute (The Lloyd's Register Foundation Research Centre of Excellence), Pusan National University) ;
  • Paik, Jeom Kee (The Korea Ship and Offshore Research Institute (The Lloyd's Register Foundation Research Centre of Excellence), Pusan National University)
  • 투고 : 2014.03.17
  • 심사 : 2015.01.15
  • 발행 : 2015.05.31
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초록

Evaluation of the performance of aging structures is essential in the oil and gas industry, where the inaccurate prediction of structural performance can have significantly hazardous consequences. The effects of structure failure due to the significant reduction in wall thickness, which determines the burst strength, make it very complicated for pipeline operators to maintain pipeline serviceability. In other words, the serviceability of gas pipelines and elbows needs to be predicted and assessed to ensure that the burst or collapse strength capacities of the structures remain less than the maximum allowable operation pressure. In this study, several positions of the corrosion in a subsea elbow made of API X42 steel were evaluated using both design formulas and numerical analysis. The most hazardous corrosion position of the aging elbow was then determined to assess its serviceability. The results of this study are applicable to the operational and elbow serviceability needs of subsea pipelines and can help predict more accurate replacement or repair times.

키워드

참고문헌

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피인용 문헌

  1. Residual ultimate strength of offshore metallic pipelines with structural damage - a literature review vol.12, pp.8, 2017, https://doi.org/10.1080/17445302.2017.1308214
  2. Tensile Fracture Behavior of Corroded Pipelines: Part 2-Numerical Simulation Based on Monte Carlo Method vol.2020, pp.None, 2015, https://doi.org/10.1155/2020/5708969
  3. Effects of geometry of a local thin area defect on remaining strength and fitness of pressure equipment vol.65, pp.None, 2015, https://doi.org/10.1016/j.jlp.2020.104125
  4. Effects of depth in external and internal corrosion defects on failure pressure predictions of oil and gas pipelines using finite element models vol.23, pp.14, 2015, https://doi.org/10.1177/1369433220924790
  5. A Review of Finite Element Analysis and Artificial Neural Networks as Failure Pressure Prediction Tools for Corroded Pipelines vol.14, pp.20, 2015, https://doi.org/10.3390/ma14206135
  6. Stress distribution analysis of composite repair with Carbon Nanotubes reinforced putty for damaged steel pipeline vol.194, pp.no.pa, 2015, https://doi.org/10.1016/j.ijpvp.2021.104537
  7. A finite element-based analysis approach for computing the remaining strength of the pressure equipment with a local thin area defect vol.131, pp.None, 2015, https://doi.org/10.1016/j.engfailanal.2021.105883