RESEARCH ON PIPELINE LEAK DETECTION METHOD BASED ON JOINT PRESSURE & DYNAMIC PRESSURE

被引：0
|
作者：
Wang, Likun [1 ]
Xiong, Min [1 ]
Zhao, Jinyun [1 ]
Wang, Hongchao [1 ]
Xu, Bin [1 ]
Yu, DongLiang [1 ]
Sun, Yi [1 ]
Cai, Yongjun [1 ]
机构：
[1] Pipeline Co, R&D Ctr PetroChina, Langfang, Hebei, Peoples R China
来源：
PROCEEDINGS OF THE ASME INTERNATIONAL PIPELINE CONFERENCE 2010, VOL 3 | 2010年
关键词：
pipeline; leakage detection; joint pressure & dynamic pressure;
D O I：
暂无
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
The dynamic pressure transmitter based on piezoelectric dynamic pressure transducer is designed. The characteristic of dynamic pressure transmitter when pipeline leak happened is analyzed. The dynamic pressure signal is suitable for pipeline leak detection for quick-change of pipeline internal pressure, while the static pressure is suitable for slow-change of pipeline internal pressure. This paper indicated that the dynamic pressure signal could be adjust to this detection that the pressure changes quickly in the pipeline. Field tests show that the proposed method detects pipeline leak rapidly and precisely. The field test in 68.2 km pipeline shows that the least detected leakage ratio with dynamic pressure method is 0.6 percent pipeline throughput and location error is 80 m.
引用
收藏
页码：501 / 506
页数：6
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