Table 1 Mercury injection data of the Chang 7 shale oil reservoirs in the Sai 392 area.

From: An improved method for predicting the permeability of Chang 7 shale oil reservoirs based on lithology and hydraulic flow units

Sample

Porosity (%)

Permeability (mD)

Median radius (μm)

Outlet pressure (MPa)

Maximum pore throat radius (μm)

Maximum mercury saturation (%)

Mercury removal efficiency (%)

S1

5.30

0.08

0.02

41.41

0.02

84.24

36.06

S2

7.50

0.16

0.07

10.35

0.17

83.97

27.68

S3

7.30

0.13

0.09

2.09

0.35

61.36

23.14

S4

9.20

0.17

0.16

1.53

0.48

64.98

28.29

S5

9.00

0.19

0.17

1.12

0.65

73.53

33.06

S6

9.30

0.23

0.14

1.14

0.64

75.59

31.49

S7

11.40

0.16

0.04

1.25

0.59

69.67

25.02

S8

12.00

0.25

0.15

1.09

0.68

82.87

30.30

S9

6.45

0.09

0.04

2.27

0.32

89.27

27.00

S10

4.00

0.05

0.00

11.44

0.06

42.05

25.86

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