Source rock richness

Organic Matter

TOC (wt%)

Shale

TOC (wt%)

Carbonate

Rock-Eval Pyrolysis

S1

S2

Poor

0.0 - 0.5

0.00 - 0.12

0 - 0.5

0 - 2.5

Fair

0.5 - 1.0

0.12 - 0.25

0.5 - 1.0

2.5 - 5

Good

1.0 - 2.0

0.25 - 0.50

1.0 - 2.0

5 - 10

Very Good

2.0 - 4.0

0.5 - 1.00

2.0 - 4.0

10 - 20

Excellent

>2.0

>1.00

>20

-