A mathematical model about the duration of hydrostatic leak test for gas pipeline is developed for the first time in the paper. The influences of temperature variation, elastic deformation of the pipe and a certain amount of residual air filled within the pipe are synthetically considered in the model. The results indicate that the duration is longer while the amount of the residual air in the pipe or the volume of pipe is lager under the same pressure dropping. The required duration is increasing with the pressure going up. At the same time, the temperature variation greatly influences the pressure dropping of the pipeline. The conclusions are helpful for determining the reasonable duration of hydrostatic leak test for gas pipeline. Furthermore, it can also provide some references for judging leak test result while hot water pressure testing in winter.
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2008 7th International Pipeline Conference
September 29–October 3, 2008
Calgary, Alberta, Canada
Conference Sponsors:
- International Petroleum Technology Institute and the Pipeline Division
ISBN:
978-0-7918-4857-9
PROCEEDINGS PAPER
Study on Duration of Hydrostatic Leak Test for Gas Pipeline
Feng Yan,
Feng Yan
China University of Petroleum - Beijing, Beijing, China
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Yongxue Zhang,
Yongxue Zhang
China University of Petroleum - Beijing, Beijing, China
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Hong Zhang,
Hong Zhang
China University of Petroleum - Beijing, Beijing, China
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Qingquan Duan
Qingquan Duan
China University of Petroleum - Beijing, Beijing, China
Search for other works by this author on:
Feng Yan
China University of Petroleum - Beijing, Beijing, China
Yongxue Zhang
China University of Petroleum - Beijing, Beijing, China
Hong Zhang
China University of Petroleum - Beijing, Beijing, China
Qingquan Duan
China University of Petroleum - Beijing, Beijing, China
Paper No:
IPC2008-64034, pp. 17-23; 7 pages
Published Online:
June 29, 2009
Citation
Yan, F, Zhang, Y, Zhang, H, & Duan, Q. "Study on Duration of Hydrostatic Leak Test for Gas Pipeline." Proceedings of the 2008 7th International Pipeline Conference. 2008 7th International Pipeline Conference, Volume 1. Calgary, Alberta, Canada. September 29–October 3, 2008. pp. 17-23. ASME. https://doi.org/10.1115/IPC2008-64034
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