Shandong Key Laboratory of Oil-Gas Storage and Transportation Safety;
College of Pipeline and Civil Engineering;
China University of Petroleum;
Qingdao 266580;
China;
State Key Laboratory of Natural Gas Hydrates;
Beijing 100028;
China;
Research Institute of Experiment and Detection;
Petro China Xinjiang Oilfield Company;
Karamay 834000;
China;
Natural gas hydrate; Growth; Aggregation; Gas-liquid interface; Micromorphology; Physical model;