Maximum gas production rate for salt cavern gas storages

Xin Liu, Xilin Shi, Yinping Li, Peng Li, Kai Zhao, Hongling Ma and Chunhe Yang

Energy, 2021, vol. 234, issue C

Abstract: The maximum gas production rate from salt cavern gas storages is a key parameter affecting its operating safety and peak-shaving performance. However, there is no mature and reliable method for design in it. In this study, the components of a salt cavern gas storage were separated, and many factors affecting the gas production rate are studied in terms of the safety of cavern, tubing and wellhead. These include mechanical stability and volume shrinkage of the cavern, erosion and corrosion of the tubing, generation of hydrate and condensate at the wellhead. Methods are provided for determining the gas production rate to avoid adverse effects, and the thermodynamic parameters during production are modeled mathematically and solved. Finally, an evaluation system for selecting maximum gas production rate from a salt cavern gas storage is proposed and has been compiled into software UGS-GP-design. Applying it to Jintan T5-2 salt cavern gas storage, the feasibility of the proposed method was verified. The study is mostly applicable to natural gas storage, as well as offering theoretical basis and methodological support for salt cavern air and hydrogen storage.

Keywords: Salt cavern; Tubing and wellhead; Natural gas storage; Maximum production rate; Design method (search for similar items in EconPapers)
Date: 2021
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (10)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:234:y:2021:i:c:s0360544221014596

DOI: 10.1016/j.energy.2021.121211

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