Research Article

Study on Pulse Characteristic of Produced Crude Composition in CO2 Flooding Pilot Test

Table 1

Main parameters of the reservoir and fluid.

ParameterValues

Initial formation pressure22.5 MPa
Formation temperature88°C
Porosity0.12
Permeability5 mD
Initial oil saturation0.56
Oil viscosity0.44 mPa·s
Oil density0.73
Flash gas oil ratio34 m3/m3
Bubble point6.3 MPa
Minimum miscible pressure (MMP)21.5 MPa