This conference paper describes extensive investigations performed on sediment cores containing methane hydrates recovered from beneath the sea floor. Great care was taken to perform thermal conductivity measurements at similar temperature and pressure to the natural conditions that these hydrates develop and are deposited in. Measurements were taken with the samples under both water saturated and gas saturated conditions. Thermal conductivity values obtained from both conditions at temperatures over the ...
The thermal conductivity of hydrate-layer sediment recovered from a location near Japan was measured at temperatures ranging from 263-283 K, and at a pressure of 0.1 MPa. The thermal conductivity of Toyoura standard sand as a comparison. The thermal conductivity of the methane hydrate-bearing sediment was found to be lower than that of the standard sand at the same temperature. These samples were then measured at conditions similar to those below ...
Methane Hydrates have the potential to be a significant energy source as they contain large amounts of methane gas. Large reserves exist in deep sea sediments, and work is being performed to better understand physical characteristics of these sediments. In this article, artificial methane hydrate sediments were created by mixing synthesized hydrate powder with "Toyoura Standard Sand". The thermal conductivity of these samples were then investigated at both atmospheric and ...
