期刊
ULTRASONICS
卷 124, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.ultras.2022.106740
关键词
Oil-gas-water three-phase flow; Gas holdup; Ultrasonic sensor; Optical fiber
资金
- National Natural Science Foundation of China [42074142, 51527805]
In this study, a novel gas holdup measurement method based on flow structure detection was proposed. A combined measurement system integrating ultrasonic and optical sensors was developed, which achieved a high level of measurement precision.
In oil-gas-water three-phase flow, the presence of two physically distinct dispersed phases leads to complex interfacial effects and relative velocities between the phases, which poses a significant challenges for gas holdup measurements. In this paper, a novel gas holdup measurement based on flow structure detection is realized. Firstly, the effect of gas bubble diameter on ultrasonic attenuation was studied, and a gas bubble diameter-based ultrasonic gas holdup measurement model was proposed. According to the model's specifications, a combined measurement system consisting of pulse transmission ultrasonic sensor and bi-optical fiber probe sensor was built. The dynamic experiment of oil-gas-water three-phase flow was conducted on a simulated well installation to measure the gas holdup using the combined measurement system. The results suggest that the proposed ultrasonic-optical measurement system can attain a high level of measuring precision.
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