Influence of Different Redevelopment Measures on Water–Oil Immiscible Displacement and Mechanism Analysis
Understanding the two-phase displacement behaviors of oil and water in porous media under different reservoir development modes for enhanced oil recovery is essential. In this paper, the influence of development measures, such as increasing the injection rate, changing the inlet/outlet position, inc...
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MDPI AG
2023-06-01
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| Series: | Energies |
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| Online Access: | https://www.mdpi.com/1996-1073/16/13/5047 |
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| author | Le Wang Haowen Wu Zhourong Cao Shijie Fang Shiyu Duan Yishuo Wang |
| author_facet | Le Wang Haowen Wu Zhourong Cao Shijie Fang Shiyu Duan Yishuo Wang |
| author_sort | Le Wang |
| collection | DOAJ |
| description | Understanding the two-phase displacement behaviors of oil and water in porous media under different reservoir development modes for enhanced oil recovery is essential. In this paper, the influence of development measures, such as increasing the injection rate, changing the inlet/outlet position, increasing the water viscosity, and reducing the surface tension coefficient, on oil–water dynamic behaviors was studied using a numerical simulation based on the study of the formation of a high-water-cut channel by water flooding at different injection rates. The results show that blockage and restart occur during displacement in the pore–throat channel and during staggered displacement in different pore channels. With an increase in the injection rate, the recovery increases first and then decreases. All the different development measures can increase the swept area and recovery factor. The recovery factor increases significantly by reducing the surface tension coefficient at medium/high injection rates (≥0.01 m/s) and by increasing the viscosity of the water at low injection rates (<0.01 m/s). The numerical simulation study preliminarily revealed the influence of different development measures on displacement behaviors in the pore model. It thus provides theoretical support for understanding the law of oil and water movement in reservoirs. |
| first_indexed | 2024-03-11T01:41:50Z |
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| id | doaj.art-34871884f22c428b916d2a053df34d5f |
| institution | Directory Open Access Journal |
| issn | 1996-1073 |
| language | English |
| last_indexed | 2024-03-11T01:41:50Z |
| publishDate | 2023-06-01 |
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| series | Energies |
| spelling | doaj.art-34871884f22c428b916d2a053df34d5f2023-11-18T16:29:39ZengMDPI AGEnergies1996-10732023-06-011613504710.3390/en16135047Influence of Different Redevelopment Measures on Water–Oil Immiscible Displacement and Mechanism AnalysisLe Wang0Haowen Wu1Zhourong Cao2Shijie Fang3Shiyu Duan4Yishuo Wang5College of Civil Engineering, Xi’an Shiyou University, Xi’an 710065, ChinaDownhole Service Corporation, PetroChina Jidong Oilfield Company, Tangshan 063200, ChinaChengdu Xingrong Environmental Co., Ltd., Chengdu 610040, ChinaOperating Area of Luliang Oilfield, Xinjiang Oilfield Company, Karamay 834000, ChinaCollege of Civil Engineering, Xi’an Shiyou University, Xi’an 710065, ChinaCollege of Civil Engineering, Xi’an Shiyou University, Xi’an 710065, ChinaUnderstanding the two-phase displacement behaviors of oil and water in porous media under different reservoir development modes for enhanced oil recovery is essential. In this paper, the influence of development measures, such as increasing the injection rate, changing the inlet/outlet position, increasing the water viscosity, and reducing the surface tension coefficient, on oil–water dynamic behaviors was studied using a numerical simulation based on the study of the formation of a high-water-cut channel by water flooding at different injection rates. The results show that blockage and restart occur during displacement in the pore–throat channel and during staggered displacement in different pore channels. With an increase in the injection rate, the recovery increases first and then decreases. All the different development measures can increase the swept area and recovery factor. The recovery factor increases significantly by reducing the surface tension coefficient at medium/high injection rates (≥0.01 m/s) and by increasing the viscosity of the water at low injection rates (<0.01 m/s). The numerical simulation study preliminarily revealed the influence of different development measures on displacement behaviors in the pore model. It thus provides theoretical support for understanding the law of oil and water movement in reservoirs.https://www.mdpi.com/1996-1073/16/13/5047oil–water two-phase displacementnumerical simulationporous mediadevelopment modes |
| spellingShingle | Le Wang Haowen Wu Zhourong Cao Shijie Fang Shiyu Duan Yishuo Wang Influence of Different Redevelopment Measures on Water–Oil Immiscible Displacement and Mechanism Analysis Energies oil–water two-phase displacement numerical simulation porous media development modes |
| title | Influence of Different Redevelopment Measures on Water–Oil Immiscible Displacement and Mechanism Analysis |
| title_full | Influence of Different Redevelopment Measures on Water–Oil Immiscible Displacement and Mechanism Analysis |
| title_fullStr | Influence of Different Redevelopment Measures on Water–Oil Immiscible Displacement and Mechanism Analysis |
| title_full_unstemmed | Influence of Different Redevelopment Measures on Water–Oil Immiscible Displacement and Mechanism Analysis |
| title_short | Influence of Different Redevelopment Measures on Water–Oil Immiscible Displacement and Mechanism Analysis |
| title_sort | influence of different redevelopment measures on water oil immiscible displacement and mechanism analysis |
| topic | oil–water two-phase displacement numerical simulation porous media development modes |
| url | https://www.mdpi.com/1996-1073/16/13/5047 |
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