Optimization of Hydrocarbon Gas Flooding Parameters in Ultra-Low Permeability Tight Reservoirs
The horizontal well and volume fracturing technology can effectively increase the production of a single well in ultra-low permeability tight reservoirs. However, the production of a single well decreases rapidly by relying solely on natural energy production. Therefore, it is urgent to explore new...
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| Format: | Article |
| Language: | zho |
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Editorial Office of Well Logging Technology
2023-08-01
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| Series: | Cejing jishu |
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| Online Access: | https://www.cnpcwlt.com/#/digest?ArticleID=5520 |
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| author | LIU Xin LI Ning LI Zhen DUAN Chaowei TANG Yong QIN Hao |
| author_facet | LIU Xin LI Ning LI Zhen DUAN Chaowei TANG Yong QIN Hao |
| author_sort | LIU Xin |
| collection | DOAJ |
| description | The horizontal well and volume fracturing technology can effectively increase the production of a single well in ultra-low permeability tight reservoirs. However, the production of a single well decreases rapidly by relying solely on natural energy production. Therefore, it is urgent to explore new ways to supplement energy to improve the recovery efficiency of tight reservoirs. In this paper, the ultra-low permeability tight oil reservoir in block X is taken as the research objective, and combined with the actual situation of the field, the mechanism model of one injection and two production was established. The effects of injection timing, injection gas volume, gas injection speed and daily oil production on the oil increase effect were studied. The results show that the injection timing is negatively correlated with the recovery factor, and the earlier the injection timing, the better the recovery factor. Too low injection gas and gas injection speed can not effectively supplement formation energy, but too high injection gas and gas injection speed will lead to high injection pressure, difficult for injection and other problems. Too low daily oil production is not conducive to the economic development of the reservoir, and too high daily oil production will reduce the oil displacement efficiency. An optimal development scheme is obtained by optimizing hydrocarbon gas flooding parameters, which provides theoretical guidance and reference for the efficient development of other similar ultra-low permeability tight reservoirs. |
| format | Article |
| id | doaj-art-1146bb08e2a44e4bab60462761196bf6 |
| institution | OA Journals |
| issn | 1004-1338 |
| language | zho |
| publishDate | 2023-08-01 |
| publisher | Editorial Office of Well Logging Technology |
| record_format | Article |
| series | Cejing jishu |
| spelling | doaj-art-1146bb08e2a44e4bab60462761196bf62025-08-20T02:33:23ZzhoEditorial Office of Well Logging TechnologyCejing jishu1004-13382023-08-0147450951510.16489/j.issn.1004-1338.2023.04.0171004-1338(2023)04-0509-07Optimization of Hydrocarbon Gas Flooding Parameters in Ultra-Low Permeability Tight ReservoirsLIU Xin0LI Ning1LI Zhen2DUAN Chaowei3TANG Yong4QIN Hao5Geological Research Institute, China National Logging Corporation, Xi’an, Shaanxi 710077, ChinaGeological Research Institute, China National Logging Corporation, Xi’an, Shaanxi 710077, ChinaGeological Research Institute, China National Logging Corporation, Xi’an, Shaanxi 710077, ChinaGeological Research Institute, China National Logging Corporation, Xi’an, Shaanxi 710077, ChinaState Key Laboratory of Oil and Gas Reservoir Geology and Exploitation, Southwest Petroleum University, Chengdu, Sichuan 610500, ChinaGeological Research Institute, China National Logging Corporation, Xi’an, Shaanxi 710077, ChinaThe horizontal well and volume fracturing technology can effectively increase the production of a single well in ultra-low permeability tight reservoirs. However, the production of a single well decreases rapidly by relying solely on natural energy production. Therefore, it is urgent to explore new ways to supplement energy to improve the recovery efficiency of tight reservoirs. In this paper, the ultra-low permeability tight oil reservoir in block X is taken as the research objective, and combined with the actual situation of the field, the mechanism model of one injection and two production was established. The effects of injection timing, injection gas volume, gas injection speed and daily oil production on the oil increase effect were studied. The results show that the injection timing is negatively correlated with the recovery factor, and the earlier the injection timing, the better the recovery factor. Too low injection gas and gas injection speed can not effectively supplement formation energy, but too high injection gas and gas injection speed will lead to high injection pressure, difficult for injection and other problems. Too low daily oil production is not conducive to the economic development of the reservoir, and too high daily oil production will reduce the oil displacement efficiency. An optimal development scheme is obtained by optimizing hydrocarbon gas flooding parameters, which provides theoretical guidance and reference for the efficient development of other similar ultra-low permeability tight reservoirs.https://www.cnpcwlt.com/#/digest?ArticleID=5520ultra-low permeability tight reservoirhorizontal well hydrocarbon gas drivenumerical simulationparameter optimizationenhanced oil recovery |
| spellingShingle | LIU Xin LI Ning LI Zhen DUAN Chaowei TANG Yong QIN Hao Optimization of Hydrocarbon Gas Flooding Parameters in Ultra-Low Permeability Tight Reservoirs Cejing jishu ultra-low permeability tight reservoir horizontal well hydrocarbon gas drive numerical simulation parameter optimization enhanced oil recovery |
| title | Optimization of Hydrocarbon Gas Flooding Parameters in Ultra-Low Permeability Tight Reservoirs |
| title_full | Optimization of Hydrocarbon Gas Flooding Parameters in Ultra-Low Permeability Tight Reservoirs |
| title_fullStr | Optimization of Hydrocarbon Gas Flooding Parameters in Ultra-Low Permeability Tight Reservoirs |
| title_full_unstemmed | Optimization of Hydrocarbon Gas Flooding Parameters in Ultra-Low Permeability Tight Reservoirs |
| title_short | Optimization of Hydrocarbon Gas Flooding Parameters in Ultra-Low Permeability Tight Reservoirs |
| title_sort | optimization of hydrocarbon gas flooding parameters in ultra low permeability tight reservoirs |
| topic | ultra-low permeability tight reservoir horizontal well hydrocarbon gas drive numerical simulation parameter optimization enhanced oil recovery |
| url | https://www.cnpcwlt.com/#/digest?ArticleID=5520 |
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