Table 4 Water saturation increment in different zones at the end of Group I (%).

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

1-1

46.34

27.60

47.47

44.43

41.46

1-2

53.11

21.45

50.73

45.65

42.74

1-3

45.86

9.56

41.56

n/a

32.33

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