Iterative Analytical Solutions for Nonlinear Two-Phase Flow with Gas Solubility in Shale Gas Reservoirs

Table 1

Model parameters in the computation for the China shale gas reservoir.

Parameter	Unit	Value	Physical meanings
		0.15	Residual saturation of gas
		0.2	Residual saturation of water
	Pas		Water viscosity
	Pas		Shale gas viscosity
	m/s		Travel wave viscosity
		2	Pore size distribution index
	MPa	27.4	Initial reservoir pressure
	MPa	19.67	Well pressure
	mD	0.1	Initial permeability in the fractured zone
		0.18	Initial porosity
	MPa	2	Entry capillary pressure
		0.004	End-point relative permeability for water
		1	End-point relative permeability for shale gas
		2	Reference parameter for water
		2	Reference parameter for shale gas
		5.42	Shale gas solubility