Kelly drilling, Kelly bars, Technical data – Liebherr LB 36 User Manual
Page 7: Performance data
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LB 36
7
Kelly drilling
Kelly bars
A
X
Drilling
depth
Weight
Kelly Ø
(mm)
(mm)
(m)
(t)
(mm)
MD 36/3/30
11900
9800
28.0
7.6
470
MD 36/3/36
13900
7800
34.0
8.8
470
MD 36/4/42
12950
8700
40.0
10.3
470
MD 36/4/48
14450
7200
46.0
11.5
470
MD 36/4/54
15950
5700
52.0
12.7
470
MD 36/4/60
17450
4200
58.0
13.9
470
MD 36/4/66
18950
2700
64.0
15.1
470
Display for Kelly drilling
1900
A
X
*) Other drilling diameters available on request.
Other Kelly bars available on request.
When using a casing oscillator, value X has to be reduced
by 1600 mm.
Technical data
Drilling drive - torque
1
st
gear
366 kNm
Drilling drive - speed
1
st
gear
24 rpm
Drilling drive - torque
2
nd
gear
183 kNm
Drilling drive - speed
2
nd
gear
48 rpm
Performance data
Max. drilling diameter*
2300 mm uncased
Max. drilling diameter*
2000 mm cased
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