Table 3 Core parameter table.

From: Mineral composition and pore structure on spontaneous imbibition in tight sandstone reservoirs

Core number

Diameter/cm

Length/cm

Weight/g

Porosity/%

Gas-measured permeability/mD

Y1

2.5

4.3

55.844

9.65

0.0914

Y2

2.5

3.4

43.268

10.49

0.0300

Y3

2.5

4.4

56.852

8.64

0.0577

Y4

2.5

4.9

62.784

6.20

0.0726