Mathematical model of liquid sulfur dioxide injection into layer saturated with water and methane

Abstract

Abstract The mathematical model of sulfur dioxide solution injection into the layer saturated with the water and methane accompanied by formation of sulfur gas hydrate is presented. For the axisymmetric problem, self-similar solutions describing the distribution of temperature and pressure in the layer are constructed. It is established that depending on the mass flow rate of sulfur dioxide injection, the formation of sulfur dioxide gas hydrate can occur both on the front surface and in the extended region. There are determined the limit values of the mass flow rate of sulfur dioxide injection separating different modes of sulfur dioxide gas hydrate formation. It is established that the mode with the gas hydrate formation of sulfur dioxide in an extended region is realized at high values of mass injection flow rate of sulfur dioxide and of the initial temperature of the layer.