Experimental study on the effective thermal conductivity of methane hydrate-bearing sand

摘要: Abstract The thermal conductivities of methane hydrate-bearing sand samples, formed from moist with different initial water saturation levels, were measured by Gustafsson’s transient plane source (TPS) technique. conductivity values show weak negative dependence on temperature similar to a crystal-like material, which agrees well most the published results sedimentary and pure hydrates. Similar has also been observed in wave speed studies. effective sediment is strongly dependent morphology sediment. In partially water-saturated, gas-rich environments, hydrates tend cement grains together, even small amount presence can significantly increase sediments. samples high concentrations water-saturated sand, does not an obvious hydrate level.