Research Article

Simulation Analysis of Gas Bubble Formation and Escape in Non-Newtonian Drilling Fluids

Table 4

Bubble escape time, maximum velocity, and bubble volume for different consistency coefficients.

Consistency coefficient (Pa·sn)Escape time (s)Maximum velocity (m/s)Bubble volume (mm3)

10.291.0022.77
20.310.7224.33
30.320.5625.12
40.340.4826.69
50.360.4028.26
60.420.2232.97