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首页> 外文期刊>The Journal of Canadian Petroleum Technology >Acoustic-Wave-Testing System for Monitoring the Vapour Chamber in Vapour-Extraction Process
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Acoustic-Wave-Testing System for Monitoring the Vapour Chamber in Vapour-Extraction Process

机译：抽汽过程中用于监测蒸气室的声波测试系统

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The acoustic-wave-detection system is considered a nondestructive monitoring system to estimate distances by measuring the time-of-flight of an ultrasonic wave. In this paper, a comprehensive experimental study was conducted to investigate the feasibility of the acoustic-wave-detection system in monitoring the shape and position of the gas phase in the vapour-extraction (VAPEX) process. For this purpose, various stages of vapour-chamber evolution in the VAPEX process were simulated experimentally by changing the shape of air balloons buried in simulated porous media in a laboratory-scale model. Then, an array of ultrasound transducers and receivers was used to measure time of flight at different stages of the vapour-chamber growth. Finally, the collected data were fed into a signal-processing program developed in this study to determine the shape of the vapour chamber. Conducted analysis in this study includes sound-speed testing in different porous media, signal-attenuation tests in different porous media, imaging of different simulated vapour chambers in different porous media, and acquisition and analysis experiments. Results show that acoustic-wave detection can be used for accurate mapping of the position and shape of the vapour chamber in the studied process. Monitoring the shape and growth of the vapour chamber provides valuable information for optimizing oil production in order to maximize oil recovery. The proposed methodology is able to identify acoustic anomalies in a porous medium in the laboratory.
机译：声波检测系统被认为是通过测量超声波的飞行时间来估计距离的无损监视系统。在本文中，进行了一项全面的实验研究，以研究声波检测系统在监测蒸气萃取（VAPEX）过程中气相的形状和位置方面的可行性。为此，在实验室规模的模型中，通过改变掩埋在模拟多孔介质中的气球的形状，对VAPEX过程中蒸气腔演变的各个阶段进行了实验模拟。然后，使用一系列超声换能器和接收器来测量蒸气腔室生长不同阶段的飞行时间。最后，将收集的数据输入到本研究开发的信号处理程序中，以确定蒸汽室的形状。在这项研究中进行的分析包括在不同多孔介质中的声速测试，在不同多孔介质中的信号衰减测试，在不同多孔介质中不同模拟蒸气室的成像以及采集和分析实验。结果表明，在研究过程中，声波检测可用于精确绘制蒸气室的位置和形状。监视蒸气室的形状和增长可提供宝贵的信息，以优化产油量，从而使采油量最大化。所提出的方法能够在实验室中识别多孔介质中的声音异常。

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