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Table 3 Vitrinite reflectance results of the Liassic and Carboniferous sections in the studied wells

From: Origins of hydrocarbons in the Geneva Basin: insights from oil, gas and source rock organic geochemistry

  Well Sample TOC (%) Tmax (°C) VRr (%) Std
dev
Rb (%) Nbr vitrinites measured
Lias Humilly-2 HU2 -2232 1.56 438 0.72 0.05 - 13
HU2—2236 1.53 441 0.74 0.06 - 14
HU2—2238 4.32 443 0.74 0.06 - 31
HU2—2240 4.29 441 0.74 0.07 - 33
Chapeiry-1 CHY—3669 3.52 446 0.76 0.06 - 9
CHY—3720.9 1.39 410 0.77 0.04 - 13
CHY—3722.7 3.29 442 0.72 0.04 - 13
Faucigny-1 FAY—4020 1.03 527 2.21–2.28* 0.14 2.07 22
FAY—4026 1.59 527 2.35–2.41* 0.10 2.22 39
FAY—4027 1.56 515 2.22–2.29* 0.12 2.09 47
Carboniferous Humilly-2 HU2 – 3039.8 1.12 449 1.14 0.07   50
Charmont-1 CHT—1892 31.81 433 0.60 0.03 - 100
CHT—1894 54.85 435 0.64 0.02 - 100
CHT—2108.5 57.33 450 0.79 0.03 - 100
Chatillon-1D CTL1D—1578.5 8.24 444 0.76 0.03 - 100
La Chandelière LCD—1553.2 n/a n/a 0.75 0.04 - 16
  1. *Vitrinite reflectance ranges calculated from bitumen reflectance according to Landis and Castaño (1995) and Schoenherr et al. (2007)