Current Status of Research on Buried Gas Pipelines Containing Crack Defects

Mei Yang; Meng Yuan; Yanhua Chen

doi:10.6919/ICJE.202510_11(10).0002

Authors

Mei Yang
Meng Yuan
Yanhua Chen

DOI:

https://doi.org/10.6919/ICJE.202510_11(10).0002

Keywords:

Buried Pipeline; Crack Defects; Numerical Simulation; Remaining Service Life.

Abstract

In China's energy structure, oil and gas occupy an important position. Due to the multiple limitations of oil reserves, environmental protection policies and social demand, clean energy such as natural gas has been widely used, of which buried pipelines have become one of the main ways of natural gas transmission. Defective pipelines containing cracks are an important cause of pipeline failure accidents in recent years, posing an important threat to the safe operation of buried pipelines. In this paper, from the three aspects of pipeline crack detection methods, pipeline cracking, and failure analysis and remaining life, the relevant research results of buried pipelines in recent years are sorted out, and further prospects for the subsequent research direction are proposed.

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