| Author Name | Affiliation | Postcode | | Shuyan Wang | School of Petroleum Engineering, Northeast Petroleum University, Daqing 163318,Heilongjiang,China | 163318 | | Xuqing Zha | School of Petroleum Engineering, Northeast Petroleum University, Daqing 163318,Heilongjiang,China | 163318 | | Baoli Shao* | School of Petroleum Engineering, Northeast Petroleum University, Daqing 163318,Heilongjiang,China | 163318 | | Jing Wang | School of Petroleum Engineering, Northeast Petroleum University, Daqing 163318,Heilongjiang,China | 163318 | | Xi Chen | School of Petroleum Engineering, Northeast Petroleum University, Daqing 163318,Heilongjiang,China | 163318 | | Jiawei Fan | School of Petroleum Engineering, Northeast Petroleum University, Daqing 163318,Heilongjiang,China | 163318 |
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| Abstract: |
| The molecular dynamics method is used to investigate decomposition of methane hydrate at different temperatures, pressures and concentrations of inhibitor. By analyzing the parameters of system conformation, mean square displacement and radial distribution function, the decomposition of hydrate in the presence of alcohol inhibitors ethylene glycol and glycerol is explored. The results show that the hydroxyl groups in alcohol molecules can destroy the cage structure of hydrate, and form hydrogen bonds with nearby water molecules to effectively prevent the reformation of hydrate. Therefore, ethylene glycol and glycerol serve as inhibitors of methane hydrate, furthermore, in terms of inhibition effect, glycerol is better than ethylene glycol by comparing rate of hydrate decomposition. |
| Key words: Methane hydrate Alcohol inhibitors Molecular dynamics simulation Decompose |
| DOI：10.11916/j.issn.1005-9113.22051 |
| Clc Number:TE832 |
| Fund: |
