Development of Predictive Techniques for Estimating Liquid Water-Hydrate Equilibrium of Water-Hydrocarbon System

Table 1

Constants 𝑎-𝑑 in (15) and (16) [24].

Hydrate former	𝑎/(K⋅MPa^−1)	𝑏/(K⋅MPa^−1)	𝑐/(K⋅MPa^−1)	𝑑/(K⋅MPa^−1)
Methane	0.0037237	2708.8	0.018373	2737.9
Ethane	0	0	0.006906	3631.6
Propane	0	0	0.012353	4406.1
CO2	0.0011978	2860.5	0.008507	3277.9