Table 7 Water saturation increment in different zones at the end of Group II (%).

From: Physical simulation for water invasion and water control optimization in water drive gas reservoirs

Experimental No

SFZ 1—Core 1

MZ 1—Core 2

LFZ 2—Core 3

MZ 2—Core 4

Average water content

2-1

31.99

4.46

31.32

23.46

22.81

2-2

33.01

6.78

23.78

1.91

16.37

2-3

38.09

22.91

33.51

14.78

27.32

2-4

23.27

13.49

41.12

14.99

23.22