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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)