Noise Reduction of Distributed Acoustic Sensor for Downhole Flow Monitoring

Guozhen Tan; Fei Liu; Xin Huang; Tong Zhou; Hao Zeng; Guo Zhu; Xian Zhou

doi:10.1364/OFS.2023.Tu3.47

28th International Conference on Optical Fiber Sensors
Technical Digest Series (Optica Publishing Group, 2023),
paper Tu3.47
•https://doi.org/10.1364/OFS.2023.Tu3.47

Noise Reduction of Distributed Acoustic Sensor for Downhole Flow Monitoring

Guozhen Tan, Fei Liu, Xin Huang, Tong Zhou, Hao Zeng, Guo Zhu, and Xian Zhou

Optical Fiber Sensors 2023

Naka-ku, Hamamatsu-shi Japan
20–24 November 2023
ISBN: 978-1-957171-30-2

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Poster Session I (Tu3)

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G. Tan, F. Liu, X. Huang, T. Zhou, H. Zeng, G. Zhu, and X. Zhou, "Noise Reduction of Distributed Acoustic Sensor for Downhole Flow Monitoring," in 28th International Conference on Optical Fiber Sensors, Technical Digest Series (Optica Publishing Group, 2023), paper Tu3.47.

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Abstract

A multi-step joint noise reduction method is proposed to boost the quality of distributed acoustic sensor data monitoring downhole flow rate. The time-serial signal-to-noise ratio of the processed data is increased by about 3.72~3.90 dB.

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