Research Article
Effect of Yield Power Law Fluid Rheological Properties on Cuttings Transport in Eccentric Horizontal Narrow Annulus
Table 1
CFD simulation matrix.
| Simulation data | Diameter ratio
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| Flow behavior index | 0.31–0.75 | Consistency index (, Pa⋅) | 1.7–6.3 | Yield stress (, ) | 2–8 | Zero shear rate viscosity (, Pa⋅s) | 1100 | Fluid density (, | 1020 | Bulk fluid velocity (, ) | 0.50 | Inner pipe rotation speed (, ) | 0 | Outer diameter (, ) | 50.8 | Inner diameter (, ) | 45.7 | Eccentricity | 0.50 | Cuttings density (, | 2650 | Avg. cuttings size (mm) | 1.0 & 4.0 | Rate of penetration, ROP (m/s) | 0.00508 |
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