Trelleborg Offshore has developed a stackable version of its RiserGuard system. Providing a solution for rigs with limited storage space, it allows stacking mixed dressed riser joints, while still providing the same protection as the original system.
Stackable RiserGuard joints can be stacked alongside buoyant riser joints in the same deck storage area due to strategically placed protective sections spaced within the joints that accept and transfer loads between the joints and deck storage area.
”We originally developed the RiserGuard to help protect bare riser joints as they were handled and run on the rig. In addition, the product would allow running and pulling the riser quicker than previously possible, thereby trimming rig time,” says Trelleborg Offshore VP Alan McBride.
Designed as a free flooding, self equalizing, neutrally buoyant unit, the riser guard offers complete protection for bare riser joints and external lines during handling, storage, and drilling. The bare or slick riser-joint system consists of a series of two piece half shells affixed to the outside of the riser joint.
The stackable design provides quick and easy installation and is impact and abrasion resistant. It also provides the same OD & geometry as buoyant riser joints, which allows running bare joints at the same rate as buoyant joints.
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