In this study, ethane hydrates were produced in the presence of a surfactant to investigate the effect of a surfactant on hydrate formation and dissociation. The hydrate formation rate increases with the surfactant concentration above the critical micelle concentration. The gas storage capacities in the presence of a surfactant were calculated at the system pressure and temperature. The dissociation behaviors of hydrates were also studied. The dissociation of hydrates increases with the surfactant concentration under similar operating pressure and temperature.