Reservoir Characterization during Underbalanced Drilling of Horizontal Wells Based on Real-Time Data Monitoring

Table 2

Some required parameters used in the wellbore flow simulation.

Well depth of interest, m	4907
Injection drilling fluid density, g·cm^−3	1.04
Injection drilling fluid rates, L·s^−1	18
Injection drilling fluid viscosity	20
Gas injection rates, m^3·min^−1	20
Gas injection pressure, MPa	15.4
Gas injection temperature, K	307
Surface temperature, K	300