Drill String Compensator Hoses

API Spec. 17K

High pressure hoses used for transporting hydraulic fluids in offshore drill string compensator systems.

DSC Hose Construction


Internal diameter 2” to 6"
Bore type full flow, rough bore
Liner type H2S resistant HNBR
Design pressure 5,000 psi
Coupling bonded
Operating temperature -30° C to +90° C (-22° F to 194° F)
Max. available length 60 m (200ft)
For further technical details download the datasheet

Features & Benefits

  • Used for hydro-pneumatic medium transport to the drill string compensator cylinder to isolate the heaving motion of the rig from the drill string
  • Commonly referred to as Air Hoses or DST Hoses