.... To analyze the influence of parameters other than IFT and capillary forces, we conducted capillary imbibition experiments on cylindrical Berea sandstone core samples under ultrasonic radiation in this paper. Through this experimental scheme, we focused on (a) the effect of initial water saturation...

..., but it is still limited by the constant flowing pressure assumption. depletion simulation reservoir langmuir pressure decline rate fetkovich drawdown cbm decline reservoir pressure equation water saturation cbm well coalbed methane initial water saturation production monitoring coal seam...

... curve permeability relative permeability saturation initial water saturation correlation water relative permeability initial oil saturation enhanced recovery exhibition oil permeability steamflood temperature flow in porous media PETROLEUM SOCIETY CANADIAN INSTITUTE OF MINING, METALLURGY...

..., the initial water saturation that exists in the productive pay must be significantly lower than what would be expected from a normal capillary pressure equilibrium if the matrix under consideration were in dynamic contact with free water. A number of mechanisms for the establishment of these unique...

... as the pressure declines at constant temperature around the wellbore, and b) when dry gas is flowing in the reservoir water is vaporised in order to fulfill the thermodynamic requirements at a given pressure, temperature and salinity of the brine. Vaporisation occurs even at conditions of initial water saturation...