CBM well type

Production time/y

Recovery rate/%

Vertical well

3

26.00

5

33.44

7

40.62

ā€œUā€ type well

3

17.96

5

27.19

7

34.92

ā€œVā€ type well

3

28.33

5

41.82

7

47.69

Multilateral horizontal well

3

14.79

5

37.14

7

66.64