Temperature Prediction Model for Two-Phase Flow Multistage Fractured Horizontal Well in Tight Oil Reservoir

Table 1

The fracture and calculation parameters for analysis.

Parameter	Unit	Value
Formation porosity	—	0.1
Formation permeability	mD	0.1
Formation temperature	°C	91
Initial reservoir pressure	MPa	20.3
Rock heat capacity	J/(kg·°C)	1264
Rock heat conductivity	W/(m·°C)	1.3
Oil density	kg/m^3
Oil viscosity	cP	0.8
Oil specific heat	J/(kg·°C)	2193
Oil thermal conductivity	W/(m·°C)	3.46
Water density	kg/m^3
Water viscosity	cP	0.317
Water heat capacity	J/(kg·°C)	4194
Water heat conductivity	W/(m·°C)	4.32
Wellhead temperature	°C	14.7
Wellbore length	m	800
Pipe inner	m	0.01
Steel heat conductivity	W/(m·°C)	47
Steel heat capacity	J/(kg·°C)	462.34
Fracture permeability	mD	2
Fracture half length	m	60
Fracture width	m	0.002