There is an international consensus to reduce the pace of global warming caused by greenhouse gases, such as CO2.The geological storage of CO2 plays a crucial role in reducing the atmospheric CO2 concentration, and hydrate-based CO2 storage is an important geological storage technology applied to seabed sediments, which has attracted increasing attention due to its advantages of high safety and large storage capacity. In this study, a large-scale numerical simulator applicable to CO2 hydrate storage is developed, which considers the two-phase flow process including hydrate formation and realizes the coupling of the thermal-fluidic-chemical three fields, and further investigates the transport and transformation behavior of CO2 in the reservoir with anisotropic permeability during the injection period and at the cessation of injection. The results show that the formation of CO2 hydrate can easily generate local high-pressure zones and local high-temperature zones inside the reservoir; the CO2 hydrate cap formed above the wellhead can limit the vertical transport distance of CO2 and ensure the safe storage of CO2. In addition, this study also analyzed the efficiency of CO2 hydrate storage in different permeability anisotropic reservoirs and found that high Khv reservoirs are more conducive to CO2 conversion in the long term. This study can provide scientific value for the hydrate-based CO2 storage in the ocean and a theoretical basis for the transport behavior of CO2 in submarine reservoirs.
| Published in | Science Discovery (Volume 12, Issue 2) |
| DOI | 10.11648/j.sd.20241202.11 |
| Page(s) | 20-26 |
| Creative Commons |
This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited. |
| Copyright |
Copyright © The Author(s), 2024. Published by Science Publishing Group |
CCUS, CO2 Storage, CO2 Hydrate, Numerical Simulation
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APA Style
Xia, Y., Gao, P., Jiang, Z., Fan, Q., Wei, R., et al. (2024). Study on the Transport and Transformation Law of CO2 Marine Storage in Reservoirs with Various Permeability Anisotropy. Science Discovery, 12(2), 20-26. https://doi.org/10.11648/j.sd.20241202.11
ACS Style
Xia, Y.; Gao, P.; Jiang, Z.; Fan, Q.; Wei, R., et al. Study on the Transport and Transformation Law of CO2 Marine Storage in Reservoirs with Various Permeability Anisotropy. Sci. Discov. 2024, 12(2), 20-26. doi: 10.11648/j.sd.20241202.11
AMA Style
Xia Y, Gao P, Jiang Z, Fan Q, Wei R, et al. Study on the Transport and Transformation Law of CO2 Marine Storage in Reservoirs with Various Permeability Anisotropy. Sci Discov. 2024;12(2):20-26. doi: 10.11648/j.sd.20241202.11
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Download@article{10.11648/j.sd.20241202.11,
author = {Yongqiang Xia and Peng Gao and Zhibo Jiang and Qi Fan and Rupeng Wei and Qingping Li and Lunxiang Zhang and Tao Yu and Lei Yang and Yongchen Song},
title = {Study on the Transport and Transformation Law of CO2 Marine Storage in Reservoirs with Various Permeability Anisotropy
},
journal = {Science Discovery},
volume = {12},
number = {2},
pages = {20-26},
doi = {10.11648/j.sd.20241202.11},
url = {https://doi.org/10.11648/j.sd.20241202.11},
eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.sd.20241202.11},
abstract = {There is an international consensus to reduce the pace of global warming caused by greenhouse gases, such as CO2.The geological storage of CO2 plays a crucial role in reducing the atmospheric CO2 concentration, and hydrate-based CO2 storage is an important geological storage technology applied to seabed sediments, which has attracted increasing attention due to its advantages of high safety and large storage capacity. In this study, a large-scale numerical simulator applicable to CO2 hydrate storage is developed, which considers the two-phase flow process including hydrate formation and realizes the coupling of the thermal-fluidic-chemical three fields, and further investigates the transport and transformation behavior of CO2 in the reservoir with anisotropic permeability during the injection period and at the cessation of injection. The results show that the formation of CO2 hydrate can easily generate local high-pressure zones and local high-temperature zones inside the reservoir; the CO2 hydrate cap formed above the wellhead can limit the vertical transport distance of CO2 and ensure the safe storage of CO2. In addition, this study also analyzed the efficiency of CO2 hydrate storage in different permeability anisotropic reservoirs and found that high Khv reservoirs are more conducive to CO2 conversion in the long term. This study can provide scientific value for the hydrate-based CO2 storage in the ocean and a theoretical basis for the transport behavior of CO2 in submarine reservoirs.
},
year = {2024}
}
TY - JOUR T1 - Study on the Transport and Transformation Law of CO2 Marine Storage in Reservoirs with Various Permeability Anisotropy AU - Yongqiang Xia AU - Peng Gao AU - Zhibo Jiang AU - Qi Fan AU - Rupeng Wei AU - Qingping Li AU - Lunxiang Zhang AU - Tao Yu AU - Lei Yang AU - Yongchen Song Y1 - 2024/04/12 PY - 2024 N1 - https://doi.org/10.11648/j.sd.20241202.11 DO - 10.11648/j.sd.20241202.11 T2 - Science Discovery JF - Science Discovery JO - Science Discovery SP - 20 EP - 26 PB - Science Publishing Group SN - 2331-0650 UR - https://doi.org/10.11648/j.sd.20241202.11 AB - There is an international consensus to reduce the pace of global warming caused by greenhouse gases, such as CO2.The geological storage of CO2 plays a crucial role in reducing the atmospheric CO2 concentration, and hydrate-based CO2 storage is an important geological storage technology applied to seabed sediments, which has attracted increasing attention due to its advantages of high safety and large storage capacity. In this study, a large-scale numerical simulator applicable to CO2 hydrate storage is developed, which considers the two-phase flow process including hydrate formation and realizes the coupling of the thermal-fluidic-chemical three fields, and further investigates the transport and transformation behavior of CO2 in the reservoir with anisotropic permeability during the injection period and at the cessation of injection. The results show that the formation of CO2 hydrate can easily generate local high-pressure zones and local high-temperature zones inside the reservoir; the CO2 hydrate cap formed above the wellhead can limit the vertical transport distance of CO2 and ensure the safe storage of CO2. In addition, this study also analyzed the efficiency of CO2 hydrate storage in different permeability anisotropic reservoirs and found that high Khv reservoirs are more conducive to CO2 conversion in the long term. This study can provide scientific value for the hydrate-based CO2 storage in the ocean and a theoretical basis for the transport behavior of CO2 in submarine reservoirs. VL - 12 IS - 2 ER -
Key Laboratory of Ocean Energy Utilization and Energy Conservation of Ministry of Education, School of Energy and Power Engineering, Dalian University of Technology, Dalian, China
Key Laboratory of Ocean Energy Utilization and Energy Conservation of Ministry of Education, School of Energy and Power Engineering, Dalian University of Technology, Dalian, China
Key Laboratory of Ocean Energy Utilization and Energy Conservation of Ministry of Education, School of Energy and Power Engineering, Dalian University of Technology, Dalian, China
State Key Laboratory of Natural Gas Hydrate, China National Offshore Oil Corporation, Beijing, China
Key Laboratory of Ocean Energy Utilization and Energy Conservation of Ministry of Education, School of Energy and Power Engineering, Dalian University of Technology, Dalian, China
State Key Laboratory of Natural Gas Hydrate, China National Offshore Oil Corporation, Beijing, China
Key Laboratory of Ocean Energy Utilization and Energy Conservation of Ministry of Education, School of Energy and Power Engineering, Dalian University of Technology, Dalian, China
Key Laboratory of Ocean Energy Utilization and Energy Conservation of Ministry of Education, School of Energy and Power Engineering, Dalian University of Technology, Dalian, China
Key Laboratory of Ocean Energy Utilization and Energy Conservation of Ministry of Education, School of Energy and Power Engineering, Dalian University of Technology, Dalian, China
Key Laboratory of Ocean Energy Utilization and Energy Conservation of Ministry of Education, School of Energy and Power Engineering, Dalian University of Technology, Dalian, China
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