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陈宏举, 孙钦, 朱春丽, 李世英, 赵月前, 巩三俊. 水下沉箱漏油监测仪敏感度测试研究[J]. 海洋石油, 2024, 44(3): 5-9, 24. DOI: 10.3969/j.issn.1008-2336.2024.03.005
引用本文: 陈宏举, 孙钦, 朱春丽, 李世英, 赵月前, 巩三俊. 水下沉箱漏油监测仪敏感度测试研究[J]. 海洋石油, 2024, 44(3): 5-9, 24. DOI: 10.3969/j.issn.1008-2336.2024.03.005
CHEN Hongju, SUN Qin, ZHU Chunli, LI Shiying, ZHAO Yueqian, GONG Sanjun. Study on Sensitivity Test of Underwater Caisson Oil Leakage Monitor[J]. Offshore oil, 2024, 44(3): 5-9, 24. DOI: 10.3969/j.issn.1008-2336.2024.03.005
Citation: CHEN Hongju, SUN Qin, ZHU Chunli, LI Shiying, ZHAO Yueqian, GONG Sanjun. Study on Sensitivity Test of Underwater Caisson Oil Leakage Monitor[J]. Offshore oil, 2024, 44(3): 5-9, 24. DOI: 10.3969/j.issn.1008-2336.2024.03.005

水下沉箱漏油监测仪敏感度测试研究

Study on Sensitivity Test of Underwater Caisson Oil Leakage Monitor

  • 摘要: 为了对布置在沉箱中的水下油气生产系统进行早期漏油监测,该文研制并试验了一种基于紫外荧光技术的漏油监测仪,着重对其漏油监测敏感度进行了测试。根据实际沉箱结构制作了按比例缩小的模拟沉箱,漏油监测仪布置在沉箱顶盖中央,通过沉箱中模拟漏油,测试了在不同工况下漏油监测仪对微量漏油的测量敏感度。结果显示,在距离监测仪0.5 m到4.5 m处模拟漏油,都可以被监测到,但所需时间随距离变大而变长;监测仪竖直向上安装比水平安装可以更灵敏地检测到漏油;漏油信号相对于基底信号会出现高于100%的上升幅度。该文测试了紫外荧光漏油监测仪在各种工况下的测量敏感度,表明该设备可以较好地应用在水下沉箱中进行微量漏油的实时监测。

     

    Abstract: In order to monitor the early oil leakage of the underwater oil and gas production system arranged in the caisson, this paper develops and tests an oil leakage monitor based on ultraviolet fluorescence technology, and focuses on testing its oil leakage monitoring sensitivity. According to the actual caisson structure, a scaled-down simulated caisson was made. The oil leakage monitor was arranged in the center of the caisson top cover. By simulating oil leakage in the caisson, the sensitivity of the oil leakage monitor to trace oil leakage under different working conditions was tested. The results show that the simulated oil leakage at a distance of 0.5 m to 4.5 m from the monitor can be monitored, but the time required increases with the distance. The vertical upward installation of the monitor can detect the oil leakage more sensitively than the horizontal installation. The oil leakage signal will have an increase of more than 100% relative to the base signal. This paper tests the measurement sensitivity of the ultraviolet fluorescence oil leakage monitor under various working conditions, and finds that the device can be well applied to real-time monitoring of trace oil leakage in underwater caissons.

     

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