Table 2 Rock–Eval pyrolysis results of Carboniferous sections in the studied wells
Wells | Depth | Stratigraphic age | TOC (%) | S1 (mg HC/g) | S2a (mg HC/g) | S3 (mg CO2/g) | HI (mg HC/g TOC) | OI (mg CO2/g TOC) | Tmax (°C) | PI |
|---|---|---|---|---|---|---|---|---|---|---|
Humilly-2 | 3039.8 | Carboniferous | 1.12 | 0.10 | 0.85 | 0.15 | 76 | 13 | 449 | 0.11 |
Humilly-2 | 3040.7 | 1.11 | 0.09 | 0.61 | 0.16 | 55 | 15 | 465 | 0.13 | |
Humilly-2 | 3049 | 0.23 | 0.11 | 0.37 | 1.08 | 161 | 470 | 461 | 0.23 | |
La Chandelière | 1562.1 | Carboniferous | 0.11 | 0.04 | 0.53 | 0.38 | 467 | 337 | 545 | 0.07 |
Chaleyriat-1 | 1365.0 | Carboniferous | 0.88 | 0.03 | 0.45 | 1.21 | 51 | 137 | 514 | 0.06 |
Charmont-1 | 1798.0 | Carboniferous | 5.10 | 0.30 | 4.69 | 0.51 | 92 | 10 | 430 | 0.06 |
Charmont-1 | 1825.0 | 22.57 | 1.50 | 44.25 | 5.63 | 196 | 25 | 435 | 0.03 | |
Charmont-1 | 1892.0 | 31.81 | 2.28 | 69.39 | 8.50 | 218 | 27 | 433 | 0.03 | |
Charmont-1 | 1894.0 | 54.85 | 3.88 | 126.84 | 5.91 | 231 | 11 | 435 | 0.03 | |
Charmont-1 | 1920.0 | 16.09 | 0.71 | 21.59 | 3.67 | 134 | 23 | 437 | 0.03 | |
Charmont-1 | 2023.0 | 7.19 | 0.33 | 6.43 | 1.28 | 89 | 18 | 460 | 0.05 | |
Charmont-1 | 2108.5 | 57.33 | 6.36 | 125.66 | 6.19 | 219 | 11 | 450 | 0.05 | |
Chatillon-1D | 1578.5 | Carboniferous | 8.24 | 0.52 | 7.78 | 0.64 | 94 | 8 | 444 | 0.06 |