Stress detection experiment and simulation of oil and gas pipelines under geomagnetism

Chengbin Zhang; Zhaofeng Yang; Wen Bao; Zhao Dong; Yaoqiang Hu; Dongrui Yi

doi:10.1117/12.3055437

12 December 2024 Stress detection experiment and simulation of oil and gas pipelines under geomagnetism

Chengbin Zhang, Zhaofeng Yang, Wen Bao, Zhao Dong, Yaoqiang Hu, Dongrui Yi

Author Affiliations +

Proceedings Volume 13439, Fourth International Conference on Testing Technology and Automation Engineering (TTAE 2024); 1343929 (2024) https://doi.org/10.1117/12.3055437
Event: Fourth International Conference on Testing Technology and Automation Engineering (TTAE 2024), 2024, Xiamen, China

Abstract

In this paper, the study focuses on the evolution mechanism underlying stress concentration formation in oil and gas transmission pipelines when subjected to various factors such as medium internal pressure and material property deterioration. It seeks to explore the relationship between the law of existing magnetism and stress changes induced by geomagnetism within these pipelines, as well as to develop a stress detection methodology. Theoretical models are compared and analyzed for the magnetic behavior under both unidirectional and complex stress conditions within oil and gas pipelines. Simulations are performed to assess the magnetic signal distribution across the pipeline wall, yielding insights into the behavior concerning the change law of magnetic flux signals under complex stress. In addition, a test platform is constructed to facilitate stress and magnetic flux testing on a model of an X80 pipeline exhibiting varying degrees of damage. These experiments aim to validate the theoretical stress detection model based on observed magnetic field changes. The results demonstrate a positive correlation between the existing magnetic flux signal and the applied stress, with a roughly linear relationship. This research establishes the feasibility of utilizing the existing magnetic flux signal to detect stress distribution within oil and gas pipelines.

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Chengbin Zhang, Zhaofeng Yang, Wen Bao, Zhao Dong, Yaoqiang Hu, and Dongrui Yi "Stress detection experiment and simulation of oil and gas pipelines under geomagnetism", Proc. SPIE 13439, Fourth International Conference on Testing Technology and Automation Engineering (TTAE 2024), 1343929 (12 December 2024); https://doi.org/10.1117/12.3055437

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