| Parameter | Specification |
|---|---|
| Model | NOV DSC-800K |
| Rated Load Capacity | 800,000 lb (800 kips) |
| Stroke Length | 25 ft (7.6 m) |
| Type | Passive hydraulic drill string compensator |
| Installation | Between traveling block and hook |
| Function | Maintains constant drill-string tension during vessel heave |
| System Components | Hydraulic cylinder assembly, accumulator system, isolation valves, control manifold |
| Typical Application | Floating drilling rigs (semi-subs, drillships) |