Manual

Drilling equipment
Technical data
Double rotary drilling
Drilling d riv e I – t orqu e 1
st
g ea r 1 85,000 lb f f t
2
nd
g ea r 9 2,000 lb f f t
Drillin
g d riv e – t orqu e 1
st
g ea r 1 84,400 lb f f t
2
nd
g ea r 9 2,200 lb f f t
Continuous flight auger drilling
Max. d rillin g d iamete r 3 .3 ft
Drillin g d riv e I – s pee d 1
st
g ea r 1 3rpm
2
nd
g ea r 2 6rpm
Drillin g d riv e I I – t orqu e 1
st
g ea r 1 54,000 lb f f t
2
nd
g ea r 77,000 lb f f t
Drillin g d riv e I I – s pee d 1
st
g ea r 1 0rpm
2
nd
g ea r 2 0rpm
Max . d rillin g d iamete r 4 ft
Drillin g d riv e – s pee d 1
st
g ea r 2 0rpm
2
nd
g ea r 4 0rpm
6 LRB 255