From: Low-temperature gas from marine shales
Temperature
Methane
Ethane
Propane
Iso-Butane
n-Butane
iso-Pentane
n-Pentane
50°C
13
34
27
3.6
12
4.1
6.4
250°C
3.5
18
32
7.7
9.3
11
350°C
48
19
14
3.2
7.6
3.7
5.4