Stick Slip Mitigation
Higher ROP, Less non-productive time.

foto bij knop EPST_ ALWAJBA


Classic Softtorque implementation for DC driven top drives. EPST ensures certified active stick-slip mitigation for TD’s with SCR power units. The EPST controller unique analogue connectivity ability allows for the upgrade of older TD units.

Advanced Softtorque

Modern wide bandwidth stick slip mitigation. The proven solution for extended reach operations. Already used worldwide by mayor operators and Contractors AST is our universal TD vendor agnostic solution for the rig fleet.



Ztorque is Shells latest wide bandwidth stick slip Controller. Together with AST, Ztorque, is the only stick slip mitigation controller targeting the wide spectrum of damaging vibration induced by the stick-slip behavior of the drill bit.

to improve
Drilling efficiency

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