A new leak detection method for subsea pipelines

被引：10
|
作者：
Bai, Yong [1 ]
Zhang, Tianyu [1 ]
Li, Yanyao [1 ]
Ruan, Weidong [1 ]
Zhu, Keqiang [2 ]
机构：
[1] Zhejiang Univ, Dept Civil Engn, Hangzhou, Zhejiang, Peoples R China
[2] Ningbo Univ, Dept Naval Architecture & Ocean Engn, Ningbo, Zhejiang, Peoples R China
来源：
SHIPS AND OFFSHORE STRUCTURES | 2017年 / 12卷
关键词：
Subsea pipeline; leak detection system; sequential probability ratio test; pressure gradient method; negative pressure wave method;
D O I：
10.1080/17445302.2016.1264091
中图分类号：
U6 [水路运输]; P75 [海洋工程];
学科分类号：
0814 ; 081505 ; 0824 ; 082401 ;
摘要：
Subsea pipelines are being installed in the Arctic or deeper water. There is an increased interest in improving leak detection system capabilities throughout the pipeline industry. In this paper, a leak detection system with leak detection module and leak location module is developed. Sequential probability ratio test, negative pressure wave method and pressure gradient method are used in this software. Also, a pattern recognition system is embedded in this software to minimise false alarms. The simulation results are well compared with OLGA and PIPESIM results. Based on the test results and the comparisons, it can be demonstrated that the leak detection system proposed in this paper has been proved with a good sensitivity and accuracy. This study can provide a reference for further studies of leak detection.
引用
收藏
页码：S144 / S152
页数：9
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