Table 8 Summary table of water breakthrough characteristics classification of gas wells.

From: Productivity prediction, dynamic evaluation and reservoir heterogeneity analysis of HS 4 block carbonate gas reservoir

Water breakthrough type

Well number

Production horizon

Reservoir type

Manufacturing parameter

Daily water production

Daily gas production

Wellhead Pressure

Water air ratio

Accumulated water yield

Cumulative gas production

m3/d

104m3/d

MPa

m3/104m3

104m3

108m3

Formation water

HS 6

Maokou Formation and Qixia Formation

Pore type

33.0

4.2

3.2

7.9

1.39

0.75

Condensate water

TS 3

Maokou Formation

Hole-type

2.8

19.7

17.8

0.1

0.18

2.41

TS 402

2.0

21.2

49.2

0.1

0.08

0.75

HS 4

Fractured-vuggy

2.7

35.5

31.9

0.1

0.25

3.28

TS 4

3.0

37.0

53.9

0.1

0.20

2.83

TS 11

2.5

39.9

51.9

0.1

0.11

1.63

TS 401

2.0

25.0

54.6

0.1

0.06

0.92

HS 401

3.0

60.5

53.2

0.0

0.03

0.56

HS 402

2.0

50.6

53.9

0.0

0.06

0.97