1. Hydrates Energy Innovation Laboratory, Chemical & Biological Engineering Department, Colorado School of Mines, Golden, Colorado 80401, United States
2. Department of Chemical Engineering, Pohang University of Science & Technology, 77 Cheongam-Ro, Nam-Gu, Pohang, Gyeongbuk 37673, Korea
3. Christian Michelsen Research AS, N-5892 Bergen, Norway
4. Statoil ASA, N-4035 Stavanger, Norway
5. Statoil ASA, N-7005 Trondheim, Norway
6. Statoil ASA, N-5020 Bergen, Norway