A Review of Enhanced Methods for Oil Recovery from Sediment Void Oil Storage in Underground Salt Caverns
Salt caverns are recognized as an excellent medium for energy storage. However, due to the unique characteristics of China’s bedded salt formations, which contain numerous salt layers and a high concentration of insoluble impurities, significant accumulation at the bottom of salt caverns occurs, lea...
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| Format: | Article |
| Language: | English |
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MDPI AG
2025-01-01
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| Series: | Energies |
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| Online Access: | https://www.mdpi.com/1996-1073/18/2/360 |
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| author | Xinxing Wei Xilin Shi Yinping Li Peng Li Mingnan Xu Yashuai Huang Yang Hong |
| author_facet | Xinxing Wei Xilin Shi Yinping Li Peng Li Mingnan Xu Yashuai Huang Yang Hong |
| author_sort | Xinxing Wei |
| collection | DOAJ |
| description | Salt caverns are recognized as an excellent medium for energy storage. However, due to the unique characteristics of China’s bedded salt formations, which contain numerous salt layers and a high concentration of insoluble impurities, significant accumulation at the bottom of salt caverns occurs, leading to the formation of extensive sediment voids. These sediment voids offer a potential space for underground oil storage, referred to as sediment void oil storage (SVOS). Oil recovery process from these sediment voids is a critical process. This paper summarizes the oil recovery technologies for SVOS and identifies four key factors—geological evaluation, stability evaluation, tightness evaluation, and oil storage capacity—all of which influence enhance oil recovery from sediment voids. This paper also outlines the overall oil recovery process, presents oil recovery experiments, and discusses oil recovery methods for enhancing oil recovery from sediment void. Additionally, it addresses the challenges of oil recovery in SVOS and explores its potential advantages and applications. The findings suggest that salt cavern sediment voids, as a promising storage space, provide a new approach to realize oil recovery and can overcome the limitations associated with cavern construction in high-impurity salt mines. The oil recovery from the sediment void is feasible, and China has rich rock salt and other convenient conditions to develop SVOS technology. |
| format | Article |
| id | doaj-art-585c17f83a7a4fd39252cb2d4ed032bd |
| institution | Kabale University |
| issn | 1996-1073 |
| language | English |
| publishDate | 2025-01-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Energies |
| spelling | doaj-art-585c17f83a7a4fd39252cb2d4ed032bd2025-01-24T13:31:12ZengMDPI AGEnergies1996-10732025-01-0118236010.3390/en18020360A Review of Enhanced Methods for Oil Recovery from Sediment Void Oil Storage in Underground Salt CavernsXinxing Wei0Xilin Shi1Yinping Li2Peng Li3Mingnan Xu4Yashuai Huang5Yang Hong6State Key Laboratory of Geomechanics and Geotechnical Engineering Safety, Institute of Rock and Soil Mechanics, Chinese Academy of Sciences, Wuhan 430071, ChinaState Key Laboratory of Geomechanics and Geotechnical Engineering Safety, Institute of Rock and Soil Mechanics, Chinese Academy of Sciences, Wuhan 430071, ChinaState Key Laboratory of Geomechanics and Geotechnical Engineering Safety, Institute of Rock and Soil Mechanics, Chinese Academy of Sciences, Wuhan 430071, ChinaState Key Laboratory of Geomechanics and Geotechnical Engineering Safety, Institute of Rock and Soil Mechanics, Chinese Academy of Sciences, Wuhan 430071, ChinaState Key Laboratory of Geomechanics and Geotechnical Engineering Safety, Institute of Rock and Soil Mechanics, Chinese Academy of Sciences, Wuhan 430071, ChinaState Key Laboratory of Geomechanics and Geotechnical Engineering Safety, Institute of Rock and Soil Mechanics, Chinese Academy of Sciences, Wuhan 430071, ChinaState Key Laboratory of Geomechanics and Geotechnical Engineering Safety, Institute of Rock and Soil Mechanics, Chinese Academy of Sciences, Wuhan 430071, ChinaSalt caverns are recognized as an excellent medium for energy storage. However, due to the unique characteristics of China’s bedded salt formations, which contain numerous salt layers and a high concentration of insoluble impurities, significant accumulation at the bottom of salt caverns occurs, leading to the formation of extensive sediment voids. These sediment voids offer a potential space for underground oil storage, referred to as sediment void oil storage (SVOS). Oil recovery process from these sediment voids is a critical process. This paper summarizes the oil recovery technologies for SVOS and identifies four key factors—geological evaluation, stability evaluation, tightness evaluation, and oil storage capacity—all of which influence enhance oil recovery from sediment voids. This paper also outlines the overall oil recovery process, presents oil recovery experiments, and discusses oil recovery methods for enhancing oil recovery from sediment void. Additionally, it addresses the challenges of oil recovery in SVOS and explores its potential advantages and applications. The findings suggest that salt cavern sediment voids, as a promising storage space, provide a new approach to realize oil recovery and can overcome the limitations associated with cavern construction in high-impurity salt mines. The oil recovery from the sediment void is feasible, and China has rich rock salt and other convenient conditions to develop SVOS technology.https://www.mdpi.com/1996-1073/18/2/360underground energy storagesalt cavernsediment void oil storageinsoluble sediment particlesoil recovery process |
| spellingShingle | Xinxing Wei Xilin Shi Yinping Li Peng Li Mingnan Xu Yashuai Huang Yang Hong A Review of Enhanced Methods for Oil Recovery from Sediment Void Oil Storage in Underground Salt Caverns Energies underground energy storage salt cavern sediment void oil storage insoluble sediment particles oil recovery process |
| title | A Review of Enhanced Methods for Oil Recovery from Sediment Void Oil Storage in Underground Salt Caverns |
| title_full | A Review of Enhanced Methods for Oil Recovery from Sediment Void Oil Storage in Underground Salt Caverns |
| title_fullStr | A Review of Enhanced Methods for Oil Recovery from Sediment Void Oil Storage in Underground Salt Caverns |
| title_full_unstemmed | A Review of Enhanced Methods for Oil Recovery from Sediment Void Oil Storage in Underground Salt Caverns |
| title_short | A Review of Enhanced Methods for Oil Recovery from Sediment Void Oil Storage in Underground Salt Caverns |
| title_sort | review of enhanced methods for oil recovery from sediment void oil storage in underground salt caverns |
| topic | underground energy storage salt cavern sediment void oil storage insoluble sediment particles oil recovery process |
| url | https://www.mdpi.com/1996-1073/18/2/360 |
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