All issues Volume 75 (2020) Oil Gas Sci. Technol. – Rev. IFP Energies nouvelles, 75 (2020) 36 Full HTMLPermeability of filter cakes for various drilling nanofluids.
| Drilling fluid | Nanoparticle concentration (wt%) | Permeability (μd) |
|---|---|---|
| Base mud | 0 | 2.67 |
| Base mud + Al2O3 nanoparticles | 0.3 | 2.11 |
| 0.6 | 1.83 | |
| 0.9 | 1.27 | |
| Base mud + CuO nanoparticles | 0.3 | 1.91 |
| 0.6 | 1.48 | |
| 0.9 | 0.84 | |
| Base mud + Cu nanoparticles | 0.3 | 1.54 |
| 0.6 | 1.28 | |
| 0.9 | 0.73 |
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