Methane hydrate reservoirs in Japan reveal potential for energy independence.
Researchers studied methane hydrate-bearing turbidite channels in the eastern Nankai Trough using seismic and well log data. They found that the channels have complex internal structures with different depositional sequences, leading to varying reservoir architectures. Despite differences in thickness, channels in the northeastern part have high reservoir potential due to sand-dominated sediments. The direction of paleo-current flows influences the distribution of higher interval velocities, indicating different sediment supply systems affecting reservoir architecture. The study area in the eastern Nankai Trough shows promise for methane hydrate resources.