Coupled THM Modelling of Wellbore Stability with Drilling Unloading, Fluid Flow, and Thermal Effects Considered

Figure 28

The failure distribution of wellbore with different drilling fluid density. (a) Drilling fluid density of 1.1 g/cm³. (b) Drilling fluid density of 1.2 g/cm³. (c) Drilling fluid density of 1.3 g/cm³.

(a)

(b)

(c)