DISTRIBUTION AND RESOURCES OF MARINE NATURAL GAS HYDRATES AROUND Japan
南海海槽等海域天然气水合物资源评价

Estimated resources of marine natural gas hydrates around Japan are discussed in this paper. The author estimates that resource of natural gas hydrate is 4 to 20 trillion cubic metre and hydrate gas (methane in gas hydrate) is 20.56 to 142.3 trillion cubic metre in sea area around Japan by using volume calculation.