Analysis on PVT test and empirical formula of Bohai heavy oil with different types of dissolved gases
Abstract Accurate prediction of PVT properties of heavy oil system is of great significance to the design of injection–production parameters and dynamic analysis of multi-thermal fluid stimulation in heavy oil reservoir. The saturation pressure and viscosity of Bohai heavy oil system at different te...
| Main Authors: | , , , , , , |
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| Format: | Article |
| Language: | English |
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SpringerOpen
2020-08-01
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| Series: | Journal of Petroleum Exploration and Production Technology |
| Subjects: | |
| Online Access: | https://doi.org/10.1007/s13202-020-00973-7 |
| _version_ | 1811199457532837888 |
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| author | Yigang Liu Yingzhong Yuan Fayuan Zhou Zhilin Qi Wei Zhang Hua Zhang Qiuxia Wang |
| author_facet | Yigang Liu Yingzhong Yuan Fayuan Zhou Zhilin Qi Wei Zhang Hua Zhang Qiuxia Wang |
| author_sort | Yigang Liu |
| collection | DOAJ |
| description | Abstract Accurate prediction of PVT properties of heavy oil system is of great significance to the design of injection–production parameters and dynamic analysis of multi-thermal fluid stimulation in heavy oil reservoir. The saturation pressure and viscosity of Bohai heavy oil system at different temperature and different gas oil ratio conditions were tested and analyzed. The functional relations of regression equations for saturation pressure and viscosity are constructed based on classical PVT correlations, but the parameters in the equations different from classical correlations are obtained from present experiment test data with multiple regression method. The empirical formula analysis results indicate that the 2-parameter equation can almost completely fit the experimental data, but its application scope is narrow. Although the 4-parameter equation has an extensive adaptability, its fitting accuracy is very low. The 3-parameter equation can not only better fit the saturation pressure and viscosity of heavy oil for the same gas under different dissolved gas oil ratios and different temperatures, but also has a wide application range. It is recommended to use the 3-parameter equation for physical property analysis and calculation of heavy oil. The research results provide a basis for the accurate prediction of heavy oil PVT parameters. |
| first_indexed | 2024-04-12T01:48:30Z |
| format | Article |
| id | doaj.art-906ee03ca36245b0adb6d603bafc7e6e |
| institution | Directory Open Access Journal |
| issn | 2190-0558 2190-0566 |
| language | English |
| last_indexed | 2024-04-12T01:48:30Z |
| publishDate | 2020-08-01 |
| publisher | SpringerOpen |
| record_format | Article |
| series | Journal of Petroleum Exploration and Production Technology |
| spelling | doaj.art-906ee03ca36245b0adb6d603bafc7e6e2022-12-22T03:53:00ZengSpringerOpenJournal of Petroleum Exploration and Production Technology2190-05582190-05662020-08-011083609361710.1007/s13202-020-00973-7Analysis on PVT test and empirical formula of Bohai heavy oil with different types of dissolved gasesYigang Liu0Yingzhong Yuan1Fayuan Zhou2Zhilin Qi3Wei Zhang4Hua Zhang5Qiuxia Wang6CNOOC Tianjin BranchChongqing Key Laboratory of Complex Oil and Gas Fields Exploration and Development, Chongqing University of Science and TechnologyCNOOC Tianjin BranchChongqing Key Laboratory of Complex Oil and Gas Fields Exploration and Development, Chongqing University of Science and TechnologyCNOOC Tianjin BranchCNOOC Tianjin BranchCNOOC Tianjin BranchAbstract Accurate prediction of PVT properties of heavy oil system is of great significance to the design of injection–production parameters and dynamic analysis of multi-thermal fluid stimulation in heavy oil reservoir. The saturation pressure and viscosity of Bohai heavy oil system at different temperature and different gas oil ratio conditions were tested and analyzed. The functional relations of regression equations for saturation pressure and viscosity are constructed based on classical PVT correlations, but the parameters in the equations different from classical correlations are obtained from present experiment test data with multiple regression method. The empirical formula analysis results indicate that the 2-parameter equation can almost completely fit the experimental data, but its application scope is narrow. Although the 4-parameter equation has an extensive adaptability, its fitting accuracy is very low. The 3-parameter equation can not only better fit the saturation pressure and viscosity of heavy oil for the same gas under different dissolved gas oil ratios and different temperatures, but also has a wide application range. It is recommended to use the 3-parameter equation for physical property analysis and calculation of heavy oil. The research results provide a basis for the accurate prediction of heavy oil PVT parameters.https://doi.org/10.1007/s13202-020-00973-7Heavy oilDissolved gas oil ratioSaturation pressureViscosityEmpirical formula |
| spellingShingle | Yigang Liu Yingzhong Yuan Fayuan Zhou Zhilin Qi Wei Zhang Hua Zhang Qiuxia Wang Analysis on PVT test and empirical formula of Bohai heavy oil with different types of dissolved gases Journal of Petroleum Exploration and Production Technology Heavy oil Dissolved gas oil ratio Saturation pressure Viscosity Empirical formula |
| title | Analysis on PVT test and empirical formula of Bohai heavy oil with different types of dissolved gases |
| title_full | Analysis on PVT test and empirical formula of Bohai heavy oil with different types of dissolved gases |
| title_fullStr | Analysis on PVT test and empirical formula of Bohai heavy oil with different types of dissolved gases |
| title_full_unstemmed | Analysis on PVT test and empirical formula of Bohai heavy oil with different types of dissolved gases |
| title_short | Analysis on PVT test and empirical formula of Bohai heavy oil with different types of dissolved gases |
| title_sort | analysis on pvt test and empirical formula of bohai heavy oil with different types of dissolved gases |
| topic | Heavy oil Dissolved gas oil ratio Saturation pressure Viscosity Empirical formula |
| url | https://doi.org/10.1007/s13202-020-00973-7 |
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