All issues Volume 76 (2021) Oil Gas Sci. Technol. – Rev. IFP Energies nouvelles, 76 (2021) 1 Full HTMLZonation confidence for C1, C2 and R zones in well Z.
| Zone | Ratio | % zonation confidence |
||
|---|---|---|---|---|
| ratio | zone | all zones | ||
| C1 | Si/Zr > 0.22 | 100 | 100 | 89.4 |
| Si/K > 19 | 100 | |||
| C2 | Si/Zr < 0.22 | 70.9 | 80.1 | |
| 1.1 < Sr/Ca < 1.6 | 98.1 | |||
| Zr/Th < 5.5 | 72.6 | |||
| Si/K < 19 | 78.9 | |||
| R | Si/Zr > 0.22 | 88 | 88 | |
| Si/K > 19 | 97 | |||
| Sr/Ca < 1.1 | 100 | |||
| 5.5 < Zr/Th < 11 | 67.1 | |||
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