Conditional depth of drilling, m: |
|
structurally-search wells with washing |
250 |
geophysical wells |
|
with washing |
100 |
with compressor |
60 |
with augers |
40 |
Initial drilling diameter with flushing, mm |
190 |
Final drilling diameter with flushing, mm |
|
structurally-search wells |
93 |
geophysical wells |
118 |
Diameter of drilling with blowing, mm |
118 |
Diameter of drilling by screws, mm |
150 |
The rotational speed of the drilling rig, rpm |
90, 180 |
The maximum twisting moment, N*m |
4000 |
Feed rate of the rotator, mm |
3100 |
Rate of lifting of the drilling tool, m/s |
0-1,1 |
Working pressure in hydraulic system, mPa |
1,6 |
Lifting capacity of mast lifting cylinder, N (kgf) | 58800 (6000) |
Effort to rise, kg |
4600 |
Feeding force down, kg |
2600 |
Technical characteristics of CPT |
|
Maximum pressing force, kg | 8000 – 15000 |
The penetration rate of the probe, m/min |
0,9 – 1,5 |
The extraction speed of the probe, m/min |
до 2 |
Operating pressure, kg/cm2 | 110 |
Working cylinder diameter, mm |
|
option with one hydraulic cylinder |
125 |
option with two hydraulic cylinders |
80 |
Stroke stroke, mm |
up to 1250 |
Drilling rigs
Horizontal Drilling Rigs
Drilling tools