A Sensitive Frequency Band Study for Distributed Acoustical Sensing Monitoring Based on the Coupled Simulation of Gas–Liquid Two-Phase Flow and Acoustic Processes
The sensitivity of gas and water phases to DAS acoustic frequency bands can be used to interpret the production profile of horizontal wells. DAS typically collects acoustic signals in the kilohertz range, presenting a key challenge in identifying the sensitive frequency bands of the gas and water ph...
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| Format: | Article |
| Language: | English |
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MDPI AG
2024-11-01
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| Series: | Photonics |
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| Online Access: | https://www.mdpi.com/2304-6732/11/11/1049 |
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| author | Zhong Li Yi Wu Yanming Yang Mengbo Li Leixiang Sheng Huan Guo Jingang Jiao Zhenbo Li Weibo Sui |
| author_facet | Zhong Li Yi Wu Yanming Yang Mengbo Li Leixiang Sheng Huan Guo Jingang Jiao Zhenbo Li Weibo Sui |
| author_sort | Zhong Li |
| collection | DOAJ |
| description | The sensitivity of gas and water phases to DAS acoustic frequency bands can be used to interpret the production profile of horizontal wells. DAS typically collects acoustic signals in the kilohertz range, presenting a key challenge in identifying the sensitive frequency bands of the gas and water phases in the production well for accurate interpretation. In this study, a gas–water two-phase flow–acoustic coupling model for a horizontal well is developed by integrating a gas–water separation flow model with a pipeline acoustic model. The model simulates the sound pressure level (SPL) and amplitude variations of acoustic waves under different flow patterns, spatial locations, and gas–water ratio schemes. The results demonstrate that within the same flow pattern, an increase in the gas–water ratio significantly elevates acoustic amplitude and SPL peaks within the 5–50 Hz frequency band. Analysis of oil field DAS data reveals that the amplitude response range for stages with a lower gas–water ratio falls within 5–10 Hz, whereas stages with a higher gas–water ratio exhibit an amplitude response range of 10–50 Hz. |
| format | Article |
| id | doaj-art-100ccc0836f044769955b3f8c9cf0f99 |
| institution | Kabale University |
| issn | 2304-6732 |
| language | English |
| publishDate | 2024-11-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Photonics |
| spelling | doaj-art-100ccc0836f044769955b3f8c9cf0f992024-11-26T18:18:24ZengMDPI AGPhotonics2304-67322024-11-011111104910.3390/photonics11111049A Sensitive Frequency Band Study for Distributed Acoustical Sensing Monitoring Based on the Coupled Simulation of Gas–Liquid Two-Phase Flow and Acoustic ProcessesZhong Li0Yi Wu1Yanming Yang2Mengbo Li3Leixiang Sheng4Huan Guo5Jingang Jiao6Zhenbo Li7Weibo Sui8CNOOC Res Inst Co., Ltd., Beijing 100028, ChinaCNOOC Res Inst Co., Ltd., Beijing 100028, ChinaCollege of Petroleum Engineering, China University of Petroleum (Beijing), Beijing 102249, ChinaCNOOC Res Inst Co., Ltd., Beijing 100028, ChinaCNOOC Res Inst Co., Ltd., Beijing 100028, ChinaCollege of Petroleum Engineering, China University of Petroleum (Beijing), Beijing 102249, ChinaCNOOC Res Inst Co., Ltd., Beijing 100028, ChinaCNOOC Res Inst Co., Ltd., Beijing 100028, ChinaCollege of Petroleum Engineering, China University of Petroleum (Beijing), Beijing 102249, ChinaThe sensitivity of gas and water phases to DAS acoustic frequency bands can be used to interpret the production profile of horizontal wells. DAS typically collects acoustic signals in the kilohertz range, presenting a key challenge in identifying the sensitive frequency bands of the gas and water phases in the production well for accurate interpretation. In this study, a gas–water two-phase flow–acoustic coupling model for a horizontal well is developed by integrating a gas–water separation flow model with a pipeline acoustic model. The model simulates the sound pressure level (SPL) and amplitude variations of acoustic waves under different flow patterns, spatial locations, and gas–water ratio schemes. The results demonstrate that within the same flow pattern, an increase in the gas–water ratio significantly elevates acoustic amplitude and SPL peaks within the 5–50 Hz frequency band. Analysis of oil field DAS data reveals that the amplitude response range for stages with a lower gas–water ratio falls within 5–10 Hz, whereas stages with a higher gas–water ratio exhibit an amplitude response range of 10–50 Hz.https://www.mdpi.com/2304-6732/11/11/1049DAS (distributed acoustical sensing)production profilehorizontal wellgas–water two-phase flowsensitive frequency bandsflow–acoustic coupling |
| spellingShingle | Zhong Li Yi Wu Yanming Yang Mengbo Li Leixiang Sheng Huan Guo Jingang Jiao Zhenbo Li Weibo Sui A Sensitive Frequency Band Study for Distributed Acoustical Sensing Monitoring Based on the Coupled Simulation of Gas–Liquid Two-Phase Flow and Acoustic Processes Photonics DAS (distributed acoustical sensing) production profile horizontal well gas–water two-phase flow sensitive frequency bands flow–acoustic coupling |
| title | A Sensitive Frequency Band Study for Distributed Acoustical Sensing Monitoring Based on the Coupled Simulation of Gas–Liquid Two-Phase Flow and Acoustic Processes |
| title_full | A Sensitive Frequency Band Study for Distributed Acoustical Sensing Monitoring Based on the Coupled Simulation of Gas–Liquid Two-Phase Flow and Acoustic Processes |
| title_fullStr | A Sensitive Frequency Band Study for Distributed Acoustical Sensing Monitoring Based on the Coupled Simulation of Gas–Liquid Two-Phase Flow and Acoustic Processes |
| title_full_unstemmed | A Sensitive Frequency Band Study for Distributed Acoustical Sensing Monitoring Based on the Coupled Simulation of Gas–Liquid Two-Phase Flow and Acoustic Processes |
| title_short | A Sensitive Frequency Band Study for Distributed Acoustical Sensing Monitoring Based on the Coupled Simulation of Gas–Liquid Two-Phase Flow and Acoustic Processes |
| title_sort | sensitive frequency band study for distributed acoustical sensing monitoring based on the coupled simulation of gas liquid two phase flow and acoustic processes |
| topic | DAS (distributed acoustical sensing) production profile horizontal well gas–water two-phase flow sensitive frequency bands flow–acoustic coupling |
| url | https://www.mdpi.com/2304-6732/11/11/1049 |
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