Temperature distribution of brine and gas in the tubing during debrining of a salt cavern gas storage
文献类型：期刊论文
| 作者 | Xie, Dongzhou4,5; Wang, Tongtao4,6; Li, Long1; He, Tao4,5; Chai, Guoxing7; Wang, Duocai2; Zhang, Hong2; Ma, Tieliang2; Zhang, Xin3 |
| 刊名 | JOURNAL OF ENERGY STORAGE
 |
| 出版日期 | 2022-06-01 |
| 卷号 | 50期号:-页码:- |
| ISSN号 | 2352-152X |
| 关键词 | Salt cavern gas storage Debrining Mathematical model Temperature distribution Salt crystal |
| 英文摘要 | During the debrining of an underground gas storage salt cavern (UGS), the decrease of brine temperature may cause the debrining inner tubing (DIT) to be blocked by salt crystal separating from brine. In this paper, a mathematical model used to calculate the temperature distribution of brine and gas in the tubing during the debrining is built based on the theories of heat transfer. A finite element iterative method is used to solve the mathematical model. A-1 cavern of Jintan UGS is taken as an example. The temperature distribution of brine and gas is calculated under different DIT sizes and debrining rates based on the mathematical model. The results show that the gas temperature increases rapidly in the 0~-30m and slowly in-30 ~-925 m. Increasing DIT size and debrining rate have no significant effect on the gas temperature distribution. The brine temperature decreases non linearly with decreasing depth. The brine temperature increases with the increase of debrining rate and decrease of DIT size. Brine temperature falls slowly over the range from-925 m to-600 m, and significantly above-600 m. Increasing debrining rate and decreasing thermal conductivity of tubing can decrease the drop of brine temperature. Increasing gas injection temperature has a minor effect on the brine temperature distribution. In order to prevent the DIT blocking by salt crystal, we proposed that use a DIT with low thermal conductivity to debrine. The accuracy and reliability of the model are verified by comparing the calculated values of brine temperature at the wellhead with field measured values for an actual cavern debrining. This study provides a theoretical basis for evaluating the temperature distribution of brine and predicting salt crystal growth during debrining. |
| 学科主题 | Energy & Fuels |
| 语种 | 英语 |
| 出版者 | ELSEVIER |
| WOS记录号 | WOS:000780513600004 |
| 源URL | [http://119.78.100.198/handle/2S6PX9GI/35400]  |
| 专题 | 中科院武汉岩土力学所 |
| 作者单位 | 1.Yinchuan Branch Office of WEGPC, Yinchuan, 750001, China 2.PipeChina West East Gas Pipeline Company, Shanghai, 200120, China 3.PipeChina West East Gas Pipeline Company Jiangsu Gas Storage Branch Company, Zhenjiang, 212004, China 4.State Key Laboratory of Geomechanics and Geotechnical Engineering, Institute of Rock and Soil Mechanics, Chinese Academy of Sciences, Wuhan 430071, China 5.University of Chinese Academy of Sciences, Beijing 100049, China 6.Hubei Key Laboratory of Geo-Environmental Engineering, Institute of Rock and Soil Mechanics, Chinese Academy of Sciences, Wuhan, 430071, China 7.SINOPEC Petroleum Exploration and Production Research Institute, Beijing, 100083, China |
| 推荐引用方式 GB/T 7714 | Xie, Dongzhou,Wang, Tongtao,Li, Long,et al. Temperature distribution of brine and gas in the tubing during debrining of a salt cavern gas storage[J]. JOURNAL OF ENERGY STORAGE,2022,50(-):-. |
| APA | Xie, Dongzhou.,Wang, Tongtao.,Li, Long.,He, Tao.,Chai, Guoxing.,...&Zhang, Xin.(2022).Temperature distribution of brine and gas in the tubing during debrining of a salt cavern gas storage.JOURNAL OF ENERGY STORAGE,50(-),-. |
| MLA | Xie, Dongzhou,et al."Temperature distribution of brine and gas in the tubing during debrining of a salt cavern gas storage".JOURNAL OF ENERGY STORAGE 50.-(2022):-. |
入库方式： OAI收割
来源：武汉岩土力学研究所
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