A New Method for Calculating the Relative Permeability Curve of Polymer Flooding Based on the Viscosity Variation Law of Polymer Transporting in Porous Media
Relative permeability of polymer flooding plays a very important role in oil field development. This paper aimed to measure and calculate the relative permeability curves of polymer flooding more accurately. First, viscosity variation law of polymer in porous media was studied. Rock particles of dif...
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| Format: | Article |
| Language: | English |
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MDPI AG
2022-06-01
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| Series: | Molecules |
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| Online Access: | https://www.mdpi.com/1420-3049/27/12/3958 |
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| author | Wenchao Jiang Zhaowei Hou Xiaolin Wu Kaoping Song Erlong Yang Bin Huang Chi Dong Shouliang Lu Liyan Sun Jian Gai Shichun Yao Yunchao Wang Chunlin Nie Dengyu Yuan Qinghua Xu |
| author_facet | Wenchao Jiang Zhaowei Hou Xiaolin Wu Kaoping Song Erlong Yang Bin Huang Chi Dong Shouliang Lu Liyan Sun Jian Gai Shichun Yao Yunchao Wang Chunlin Nie Dengyu Yuan Qinghua Xu |
| author_sort | Wenchao Jiang |
| collection | DOAJ |
| description | Relative permeability of polymer flooding plays a very important role in oil field development. This paper aimed to measure and calculate the relative permeability curves of polymer flooding more accurately. First, viscosity variation law of polymer in porous media was studied. Rock particles of different diameters and cementing agent were used to make artificial cores and hydrophobically associating polymer solutions were prepared for experiments. Polymer solutions were injected into the cores filled with crude oil and irreducible water. In the process of polymer flooding, produced fluid was collected at different water saturations and locations of the core. Polymer solutions were separated and their viscosities were measured. With the experimental data, the viscosity variation rule of polymer transporting in porous media was explored. The result indicates that the viscosity retention rate of polymer solutions transporting in porous media has power function relationship with the water saturation and the dimensionless distance from the core inlet. Finally, the relative permeability curves of polymer flooding were measured by unsteady state method and the viscosity variation rule was applied to the calculation of the relative permeability curves. |
| first_indexed | 2024-03-09T22:54:01Z |
| format | Article |
| id | doaj.art-3ceefa44d774410f86b5cf7a214c9692 |
| institution | Directory Open Access Journal |
| issn | 1420-3049 |
| language | English |
| last_indexed | 2024-03-09T22:54:01Z |
| publishDate | 2022-06-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Molecules |
| spelling | doaj.art-3ceefa44d774410f86b5cf7a214c96922023-11-23T18:14:28ZengMDPI AGMolecules1420-30492022-06-012712395810.3390/molecules27123958A New Method for Calculating the Relative Permeability Curve of Polymer Flooding Based on the Viscosity Variation Law of Polymer Transporting in Porous MediaWenchao Jiang0Zhaowei Hou1Xiaolin Wu2Kaoping Song3Erlong Yang4Bin Huang5Chi Dong6Shouliang Lu7Liyan Sun8Jian Gai9Shichun Yao10Yunchao Wang11Chunlin Nie12Dengyu Yuan13Qinghua Xu14Exploration and Development Research Institute, Petrochina Daqing Oilfield Company Limited, Daqing 163712, ChinaExploration and Development Research Institute, Petrochina Daqing Oilfield Company Limited, Daqing 163712, ChinaDaqing Oilfield Company Limited, Daqing 163453, ChinaUnconventional Oil and Gas Science and Technology Research Institute, China University of Petroleum-Beijing, Beijing 102249, ChinaMinistry of Education Key Laboratory of Enhanced Oil and Gas Recovery, Northeast Petroleum University, Daqing 163318, ChinaMinistry of Education Key Laboratory of Enhanced Oil and Gas Recovery, Northeast Petroleum University, Daqing 163318, ChinaMinistry of Education Key Laboratory of Enhanced Oil and Gas Recovery, Northeast Petroleum University, Daqing 163318, ChinaExploration and Development Research Institute, Petrochina Daqing Oilfield Company Limited, Daqing 163712, ChinaMinistry of Education Key Laboratory of Enhanced Oil and Gas Recovery, Northeast Petroleum University, Daqing 163318, ChinaExploration and Development Research Institute, Petrochina Daqing Oilfield Company Limited, Daqing 163712, ChinaExploration and Development Research Institute, Petrochina Daqing Oilfield Company Limited, Daqing 163712, ChinaExploration and Development Research Institute, Petrochina Daqing Oilfield Company Limited, Daqing 163712, ChinaExploration and Development Research Institute, Petrochina Daqing Oilfield Company Limited, Daqing 163712, ChinaExploration and Development Research Institute, Petrochina Daqing Oilfield Company Limited, Daqing 163712, ChinaExploration and Development Research Institute, Petrochina Daqing Oilfield Company Limited, Daqing 163712, ChinaRelative permeability of polymer flooding plays a very important role in oil field development. This paper aimed to measure and calculate the relative permeability curves of polymer flooding more accurately. First, viscosity variation law of polymer in porous media was studied. Rock particles of different diameters and cementing agent were used to make artificial cores and hydrophobically associating polymer solutions were prepared for experiments. Polymer solutions were injected into the cores filled with crude oil and irreducible water. In the process of polymer flooding, produced fluid was collected at different water saturations and locations of the core. Polymer solutions were separated and their viscosities were measured. With the experimental data, the viscosity variation rule of polymer transporting in porous media was explored. The result indicates that the viscosity retention rate of polymer solutions transporting in porous media has power function relationship with the water saturation and the dimensionless distance from the core inlet. Finally, the relative permeability curves of polymer flooding were measured by unsteady state method and the viscosity variation rule was applied to the calculation of the relative permeability curves.https://www.mdpi.com/1420-3049/27/12/3958hydrophobically associating polymerrelative permeability curvepolymer floodingviscosity variation lawporous medium |
| spellingShingle | Wenchao Jiang Zhaowei Hou Xiaolin Wu Kaoping Song Erlong Yang Bin Huang Chi Dong Shouliang Lu Liyan Sun Jian Gai Shichun Yao Yunchao Wang Chunlin Nie Dengyu Yuan Qinghua Xu A New Method for Calculating the Relative Permeability Curve of Polymer Flooding Based on the Viscosity Variation Law of Polymer Transporting in Porous Media Molecules hydrophobically associating polymer relative permeability curve polymer flooding viscosity variation law porous medium |
| title | A New Method for Calculating the Relative Permeability Curve of Polymer Flooding Based on the Viscosity Variation Law of Polymer Transporting in Porous Media |
| title_full | A New Method for Calculating the Relative Permeability Curve of Polymer Flooding Based on the Viscosity Variation Law of Polymer Transporting in Porous Media |
| title_fullStr | A New Method for Calculating the Relative Permeability Curve of Polymer Flooding Based on the Viscosity Variation Law of Polymer Transporting in Porous Media |
| title_full_unstemmed | A New Method for Calculating the Relative Permeability Curve of Polymer Flooding Based on the Viscosity Variation Law of Polymer Transporting in Porous Media |
| title_short | A New Method for Calculating the Relative Permeability Curve of Polymer Flooding Based on the Viscosity Variation Law of Polymer Transporting in Porous Media |
| title_sort | new method for calculating the relative permeability curve of polymer flooding based on the viscosity variation law of polymer transporting in porous media |
| topic | hydrophobically associating polymer relative permeability curve polymer flooding viscosity variation law porous medium |
| url | https://www.mdpi.com/1420-3049/27/12/3958 |
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