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​Inline Tension system ready for rental
 
 
                    
Depro is now working to develop the system´s capacity and expand its range of application.

Inline Tension System, ITS, are used on floating rigs.  The safe link system is designed such that heave compensation can be instantly switched from the rig’s active system to the passive ITS compensation mode.

The contingency tension system consists of 2 ea. tension cylinder packages. Each package consists of a tension cylinder, 4 ea. piston accumulators and a tube for disposal of oil when activated.

The cylinders have a nominal tension of 700kN and ±3m compensation. The minimum braking load MBL is 1500kN. A radio remote control system will be used to monitor pressure and temperature in the system, and will also be able to activate and isolate system.

If the heave compensated draw works fails during locked-to-bottom operations, the drag force on cylinder rods results in an increased pressure on the rod side of cylinders. If the pressure increases higher than the release pressure, it will activate the system, ensuring continuous tension in the drill string. After activation, the tension system will be active as long as the rig is locked-to-bottom.

When string is released from bottom structures, Inline compensator can be put into normal inactive position again.    

Depro Patented.



 



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Martin Vagles veg 2
4344 Bryne

Tel: +47 51 48 21 90
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Martin vagles veg 2 • 4344 Bryne