期刊
ENERGY
卷 134, 期 -, 页码 504-514出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.energy.2017.06.073
关键词
Energy storage; Strategic petroleum reserve (SPR); Bedded rock salt; Numerical simulation; Stability and availability
资金
- National Natural Science Foundation of China [41502296, 41472285, 51404241]
- National Natural Science Foundation of China Innovative Research Team [51621006]
- Youth Innovation Promotion Association CAS [2016296]
- Natural Science Foundation for Innovation Group of Hubei Province, China [2016CFA014]
Due to the rock salt resources in China mainly being bedded salt, it brings great challenges for the strategic petroleum reserve (SPR).cavern construction and safety evaluation. A series of investigations are presented to analyze the stability and availability of the China's first underground SPR salt cavern facilities, located in bedded rock of Jintan, China. Systematic mechanics experiments of rocks surrounding SPR cavern were carried out to determine their properties. A 3D-geomechanical model is developed based on the mechanical test results and the characteristics of the target formation. Results show that the bedded rock salts in Jintan salt mine are suitable to construct underground SPR facilities. The interlayers in the bedded rock salt are beneficial to the stability of the underground SPR salt caverns because of their 'Reinforcement Effect'. The results also demonstrate that a number of existing abandoned salt caverns in Jintan salt mine which are unsuitable for gas storage can be rebuilt for SPR in the future. The results can also provide a reference for the implementation of similar projects in other places. (C) 2017 Elsevier Ltd. All rights reserved.
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