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Diamond drilling

Our main service concept may sound simple – we provide soil and rock samples by diamond core drilling from the desired location and depth.

 

Diamond drilling equipment and sample sizes

Drill string

Core
diameter (mm)

Hole
diameter (mm)

WL-103

80,0

102,5

T-76

61,7

76,3

WL-76

57,5

76,3

WL-76 triple tube

51,0

76,3

NQ2

50,7

75,8

WL-66

50,5

67,1

WL-66 triple tube

45,0

67,1

BGM

42,0

60

T-56

41,7

56,3

BQ TK

40,7

60

WL-56/39

39,0

56,8

T-46

31,7

46,3

WL-46

28,8

47,0

 

 

The black drill strings are wire line samplers and recommended by KATI.

 

The red drill strings are conventional equipment and also available. Core recovery can be improved by the use of, for example, polymers.

 

Our drill rigs can drill up to 1500m depth, depending on the equipment used.