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Tool parameters and construction parameters.
| Name of parameters | Value |
|---|---|
| Weight on bit (WOB) | 140 kN |
| Revolutions per minute (RPM) | 120 r/min |
| Drilling mud density | 1.8 g/cm3 |
| Axial force of tool | 60 kN |
| Torsional impact torque of tool | 1.6 kN m |
Dry friction coefficient 
|
0.02 |
Dry friction coefficient 
|
0.08 |
Attenuation coefficient 
|
0.18 |
| Frequency of axial impact | 10 Hz |
| Frequency of torsional impact torque | 10 Hz |
