Study on the Pressure Drop Variation and Prediction Model of Heavy Oil Gas-Liquid Two-Phase Flow

Table 2

Experimental scheme of gas-liquid two-phase flow under different viscosities.

Temperature (°C)	Oil viscosity (mPa∙s)	Inclination angle (°)	Pipe diameter (mm)	Apparent liquid flow rate (m/s)	Apparent gas flow rate (m/s)
10, 20, 40, 60	480, 290, 100, 50	90, 60	60	0.02, 0.08, 0.16, 0.52	0.2~23