Research on Three-Phase Saturation Distribution Based on Microfluidic Visualization Experiment: A Case Study of Ling Xin Mining Area

Flow characteristics and phase distribution of concentrated brine storage in mining area have been core factors linking to the leakage risk assessment and ecological evaluation. Notably, saturation plays a crucial role in impacting the flow characteristics and distribution of brine, while the existe...

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Main Authors: Xiaolong Hu, Hui Huang, Xidong Song, Hao He, Xiaolong Li, Jun Gao, Guanghua Zhou, Shaoxue Wu, Guocai Kong, Xiangming Huang
Format: Article
Language:English
Published: Wiley 2022-01-01
Series:Geofluids
Online Access:http://dx.doi.org/10.1155/2022/4484963
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author Xiaolong Hu
Hui Huang
Xidong Song
Hao He
Xiaolong Li
Jun Gao
Guanghua Zhou
Shaoxue Wu
Guocai Kong
Xiangming Huang
author_facet Xiaolong Hu
Hui Huang
Xidong Song
Hao He
Xiaolong Li
Jun Gao
Guanghua Zhou
Shaoxue Wu
Guocai Kong
Xiangming Huang
author_sort Xiaolong Hu
collection DOAJ
description Flow characteristics and phase distribution of concentrated brine storage in mining area have been core factors linking to the leakage risk assessment and ecological evaluation. Notably, saturation plays a crucial role in impacting the flow characteristics and distribution of brine, while the existence of oil left by mining machines and original reservoir and gas produced from coal bed gas and air has complicated the issue. In this work, we conducted the microfluidic visualization experiments to reveal the saturation distribution during brine storage in mining area. We applied machine learning model to extract saturation data from experimental images with over 95% accuracy. Eventually, we found that the existence of gas significantly impacts on the saturation distribution in micropores accounting for more than 80% contribution. We clarified that the gas production rate of median 200 μL/min impacts the least on saturation variation. Results in this research are of significance for deeper comprehension on three-phase saturation characteristics of concentrated brine storage in mining area.
format Article
id doaj-art-46a60f6ca9bc449db47007c563109ecf
institution Kabale University
issn 1468-8123
language English
publishDate 2022-01-01
publisher Wiley
record_format Article
series Geofluids
spelling doaj-art-46a60f6ca9bc449db47007c563109ecf2025-08-20T03:36:13ZengWileyGeofluids1468-81232022-01-01202210.1155/2022/4484963Research on Three-Phase Saturation Distribution Based on Microfluidic Visualization Experiment: A Case Study of Ling Xin Mining AreaXiaolong Hu0Hui Huang1Xidong Song2Hao He3Xiaolong Li4Jun Gao5Guanghua Zhou6Shaoxue Wu7Guocai Kong8Xiangming Huang9Ningxia Coal Industry Company Ling Xin Coal MineNingxia Coal Industry Company Ling Xin Coal MineNingxia Coal Industry Company Ling Xin Coal MineAppraisal Center for Environment and Engineering (ACEE)Ningxia Coal Industry Company Ling Xin Coal MineNingxia Coal Industry Company Ling Xin Coal MineNingxia Coal Industry Company Ling Xin Coal MineNingxia Coal Industry Company Ling Xin Coal MineNingxia Coal Industry Company Ling Xin Coal MineNingxia Coal Industry Company Ling Xin Coal MineFlow characteristics and phase distribution of concentrated brine storage in mining area have been core factors linking to the leakage risk assessment and ecological evaluation. Notably, saturation plays a crucial role in impacting the flow characteristics and distribution of brine, while the existence of oil left by mining machines and original reservoir and gas produced from coal bed gas and air has complicated the issue. In this work, we conducted the microfluidic visualization experiments to reveal the saturation distribution during brine storage in mining area. We applied machine learning model to extract saturation data from experimental images with over 95% accuracy. Eventually, we found that the existence of gas significantly impacts on the saturation distribution in micropores accounting for more than 80% contribution. We clarified that the gas production rate of median 200 μL/min impacts the least on saturation variation. Results in this research are of significance for deeper comprehension on three-phase saturation characteristics of concentrated brine storage in mining area.http://dx.doi.org/10.1155/2022/4484963
spellingShingle Xiaolong Hu
Hui Huang
Xidong Song
Hao He
Xiaolong Li
Jun Gao
Guanghua Zhou
Shaoxue Wu
Guocai Kong
Xiangming Huang
Research on Three-Phase Saturation Distribution Based on Microfluidic Visualization Experiment: A Case Study of Ling Xin Mining Area
Geofluids
title Research on Three-Phase Saturation Distribution Based on Microfluidic Visualization Experiment: A Case Study of Ling Xin Mining Area
title_full Research on Three-Phase Saturation Distribution Based on Microfluidic Visualization Experiment: A Case Study of Ling Xin Mining Area
title_fullStr Research on Three-Phase Saturation Distribution Based on Microfluidic Visualization Experiment: A Case Study of Ling Xin Mining Area
title_full_unstemmed Research on Three-Phase Saturation Distribution Based on Microfluidic Visualization Experiment: A Case Study of Ling Xin Mining Area
title_short Research on Three-Phase Saturation Distribution Based on Microfluidic Visualization Experiment: A Case Study of Ling Xin Mining Area
title_sort research on three phase saturation distribution based on microfluidic visualization experiment a case study of ling xin mining area
url http://dx.doi.org/10.1155/2022/4484963
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