Table 2 Interval production yields of oil, hydrocarbon gas, hydrogen and hydrogen sulfide.

From: Multi-heating-rate pyrolysis study for modeling hydrocarbon production from in-situ conversion of Chang 7 shale

Temperature range (°C)

20–320

320–350

350–380

380–410

410–440

440–450

Interval production yield of oil (mg/g rock)

2 °C/day

4.33

9.22

20.30

4.99

1.31

0.25

5 °C/day

4.19

7.92

20.93

6.1

3.67

0.2

10 °C/day

2.35

5.15

19.46

12.38

3.86

0.62

20 °C/day

0.74

3.66

13.23

22.51

3.19

0.59

Interval production yield of hydrocarbon gas (ml/g rock)

2 °C/day

0.27

3.63

3.77

3.6

3.99

0.72

5 °C/day

0.30

1.98

3.86

3.66

3.39

0.68

10 °C/day

0.23

1.66

3.86

3.64

2.68

0.55

20 °C/day

0.20

1.15

3.84

4.13

1.69

0.23

Interval production yield of carbon dioxide (ml/g rock)

2 °C/day

0.16

0.11

0.03

0.01

0.02

0.01

5 °C/day

0.15

0.18

0.12

0.09

0.05

0.01

10 °C/day

0.2

0.21

0.16

0.08

0.03

0.02

20 °C/day

0.2

0.19

0.16

0.12

0.09

0.01

Interval production yield of hydrogen (ml/g rock)

2 °C/day

0.04

0.17

0.3

0.13

0.09

0.03

5 °C/day

0.00

0.25

0.49

0.36

0.11

0.01

10 °C/day

0.00

0.25

0.45

0.51

0.09

0.02

20 °C/day

0.01

0.21

0.62

0.50

0.15

0.00

Interval production yield of hydrogen sulfide (ml/g rock)

2 °C/day

0.00

0.01

0.00

0.00

0.00

0.00

5 °C/day

0.06

0.28

0.38

0.22

0.05

0.00

10 °C/day

0.05

0.41

0.61

0.38

0.13

0.01

20 °C/day

0.18

0.38

0.77

0.63

0.24

0.02

  1. Note: the volume of gaseous products was measured under ambient laboratory temperature and pressure conditions.