Types of reservoir and interlayer

GR

CNC

Density

RT

API

%

g/cm³

Ω∙m

Sandstone

50 - 80

25 - 40

2 - 2.3

1 - 95

Argillaceous

intercalation

>80

25 - 45

2.2 - 2.35

<2

Physical

interlayer

50 - 65

14 - 25

2.2 - 2.5

1 - 5

Mud gravel

interlayer

65 - 80

14 - 20

2.2 - 2.45

>6