1Hydrates, Flow Assurance & Phase Equilibria Research Group, Institute of Petroleum Engineering, Heriot-Watt University, Edinburgh, Scotland, UK
2Mines Paristech, CTP – Centre Thermodynamique des procédés, 35 rue St Honoré, 77305 Fontainebleau, France
3Statoil ASA, N-7005 Trondheim, Norway