Table 10 Water saturation increment in different zones at the end of Group III (%).

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 in the gas reservoir

3-1

37.42

19.74

38.86

28.87

31.22

3-2

40.11

17.74

36.02

41.20

33.77

3-3

45.33

8.05

38.99

n/a

30.79