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

Table 3

Bubble escape time, maximum velocity, and volume for different static shear forces.

Static shear force (Pa)	Escape time (s)	Maximum velocity (m/s)	Bubble volume (mm^3)
0	0.29	1.03	22.76
5	0.3	0.74	23.55
10	0.31	0.72	24.33
15	0.315	0.7	24.72
20	0.325	0.54	25.51
25	0.335	0.52	26.29