Minimum operating pressure for a gas storage salt cavern under an emergency: a case study of Jintan, China
文献类型：期刊论文
| 作者 | Wang, Tongtao1; An, Guoyin2; Xu, Shuai2; Jia, Jianchao2; Wang, Wenquan2; Daemen, Jaak J. K.3 |
| 刊名 | OIL & GAS SCIENCE AND TECHNOLOGY-REVUE D IFP ENERGIES NOUVELLES
 |
| 出版日期 | 2020-11-27 |
| 卷号 | 75页码:13 |
| ISSN号 | 1294-4475 |
| DOI | 10.2516/ogst/2020079 |
| 英文摘要 | Decreasing the gas pressure is one of the most effective methods to increase the working gas capacity of salt cavern Underground Gas Storages (UGS). In this paper, KING-1 and -2 caverns of Jintan salt cavern UGS, Jiangsu province, China, are studied as an example to investigate their responses under extremely low gas pressure. A 3D geomechanical model of the two caverns is built based on the geological features and rock properties of the host rock salt formation. Different operating conditions are simulated. Safety evaluation criteria for completion casing and caverns are proposed. Thresholds of the indicators consisting of the criteria are given to find the potential minimum gas pressure and the safe working duration of the two caverns. Calculation results indicate that axial strain (along the vertical direction) can perfectly reflect the effects of low gas pressure on the safety of completion casing. The indicators calculated based on the stresses have advantages compared to those based on deformation in assessing the safety of the salt cavern under such low gas pressure and short operating time conditions. The minimum gas pressure gradient of KING-1 and -2 caverns at the casing shoe can decrease from about 7 kPa/m to 5 kPa/m, viz., the minimum gas pressure can decrease from 7 MPa to 5 MPa. The maximum duration for 5 MPa is no more than 118 days. Taking KING-1 cavern as an example, the working gas volume can increase about 17.3%. Research results can provide references for Jintan salt cavern UGS coping with gas shortages. |
| 资助项目 | National Natural Science Foundation of China (CN)[42072307] ; Youth Innovation Promotion Association CAS[2016296] ; Innovative Research Group Project of the National Natural Science Foundation of China (CN)[51621006] |
| WOS研究方向 | Energy & Fuels ; Engineering |
| 语种 | 英语 |
| 出版者 | EDP SCIENCES S A |
| WOS记录号 | WOS:000595781200001 |
| 源URL | [http://119.78.100.198/handle/2S6PX9GI/25206]  |
| 专题 | 中科院武汉岩土力学所 |
| 通讯作者 | Wang, Tongtao |
| 作者单位 | 1.Chinese Acad Sci, Inst Rock & Soil Mech, State Key Lab Geomech & Geotech Engn, Wuhan 430071, Hubei, Peoples R China 2.PetroChina, Jiangsu Gas Storage Co, Zhenjiang 212004, Jiangsu, Peoples R China 3.Univ Nevada, Mackay Sch Earth Sci & Engn, Reno, NV 89557 USA |
| 推荐引用方式 GB/T 7714 | Wang, Tongtao,An, Guoyin,Xu, Shuai,et al. Minimum operating pressure for a gas storage salt cavern under an emergency: a case study of Jintan, China[J]. OIL & GAS SCIENCE AND TECHNOLOGY-REVUE D IFP ENERGIES NOUVELLES,2020,75:13. |
| APA | Wang, Tongtao,An, Guoyin,Xu, Shuai,Jia, Jianchao,Wang, Wenquan,&Daemen, Jaak J. K..(2020).Minimum operating pressure for a gas storage salt cavern under an emergency: a case study of Jintan, China.OIL & GAS SCIENCE AND TECHNOLOGY-REVUE D IFP ENERGIES NOUVELLES,75,13. |
| MLA | Wang, Tongtao,et al."Minimum operating pressure for a gas storage salt cavern under an emergency: a case study of Jintan, China".OIL & GAS SCIENCE AND TECHNOLOGY-REVUE D IFP ENERGIES NOUVELLES 75(2020):13. |
入库方式： OAI收割
来源：武汉岩土力学研究所
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