Kerogen

HI

OI

S2/S3

Main Expelled Product at peak maturity

(mg HC/g TOC)

(mg HC/g TOC)

Type I

>600

15

>15

Oil

Type II

300 - 600

40

1.2 - 1.5

Oil

Type II/III

200 - 300

40 - 115

1.0 - 1.2

Mixed oil and gas

Type III

50 - 200

115

0.7 - 1.0

Gas

Type IV

<50

100

<0.7

Gas