ROV Installable VIV Strake Covers
We have completed a number of high profile contracts for the design, engineering and supply of ROV installable products, all of which have unique design features including a hinge and ratchet ROR (remote operated ratchet) fastening system.
Designed to our design standards for VIV suppression strakes, our ROV installable strake covers are high performance composite covers with an attachable polymer strake profile incorporating the field proven hinge and ratchet ROR which allows the ROV to handle, open and securely close the covers around the pipeline.
The strake covers are manufactured in two halves using a high performance GRP composite, providing a lightweight high-strength structure which supports a separately moulded rigid polyurethane strake, sized to suit each design. The covers are hinged down one side and fitted with a patented moulded ROR system on the other side including connection points to accept the ROV manipulators.
The covers are deisgned to minimise ROV intervention and incorporate accessible handles to afford easier installation. They can be manufactured to any length and are designed to operate at any ocean depth.
All these features can be incorporated at the design stage with the co-operation of the ROV or installation contractor. The ROV VIV system is ideal for deployment on deepwater installations, for example on flowline free spans or deepwater drill risers which can also suffer from VIV.
The whole system is neutrally buoyant in sea water but can be adjusted to suit.