Zahra Taheri - Research Institute of Petroleum Industry, P.O. Box ۱۴۶۶۵-۱۳۷, Tehran, Iran
Ghasem Khatinzadeh
Mitra Sina - Research Institute of Petroleum Industry, P.O. Box ۱۴۶۶۵-۱۳۷, Tehran, Iran
Khodadad Research Institute of Petroleum Industry, P.O. Box

This study examines the effects of two additive including hydroxyethyl cellulose (HEC) and sodium dodecyl sulfate (SDS) for increasing stability and gas content ofnatural gas hydrates. SDS can used as a hydrate promoter and HEC as a stabilizer. A high-pressure reactor in a laboratory-scale is used for to measure hydrate formationrate and stability. Hydrate stability tests were performed at temperature of -5 °C and pressure 15 bar. Induction time was obtained around 40 minutes at an optimum value of SDS.

induction time, hydrate formation, stability