... problem in general research [11]. Upstream Oil & Gas radar water content Reservoir Characterization MHz formula soil sample electromagnetic wave frequency GPR reflection dielectric property diagram frequency spectrum Artificial Intelligence Engineering moisture content...

... water contents, dry, 5% and 10% in weight ratio were tested for the joint filling layers. The sand particle size ranged from 0.25 mm to 0.5 mm and the clay particle size was about 0.0015 mm in average. The sand or clay layer was contained in a plastic tube and sandwiched between the two granitic...