A New Mathematical Model For Heat Radius of Cyclic Superheated Steam Stimulation with Horizontal Wellbore

Table 1

Parameters of reservoir physical properties and steam injection.

Parameter	Unit	Value
Thickness of reservoir	m	6
Initial reservoir temperature	K	291.9
Reservoir pressure	Pa	2.38×10^6
Porosity	-	0.35
Permeability	μm^2	1.42
Initial oil saturation	-	0.65
Volume factor of oil	-	1.05
Volume factor of water	-	1.01
Thermal conduction coefficient of boundary	W·m^−1·K^−1	1.73
Thermal diffusivity of boundary	m^2·h^−1	0.00037
Reservoir heat capacity	J·m^−3·K^−1	2575×10^3
Length of the horizontal wellbore	m	195
Injection rate	t/h	6.25
Superheated steam temperature	K	568.15
Degree of superheat	K	30
Steam injection time	h	360