Drilling Riser Buoyancy DRB

subsea umbilicals risers & flowlines

DRB are composed of buoyancy elements, which provide the uplift force, which are assembled on the riser. Each component of our products are designed following API 16F.

A Buoyancy Element is made of syntactic foam protected by an external skin made of glass fibers.

Syntactic foam properties are optimized to reach the required buoyancy at operating water depth.
The external skin provides external impact and marine growth protection.
The skin is made from high performance polymer and designed for permanent applications in seawater.
The shells are designed to fit with your riser properties.

BARDOT Group manufacturing site works with an advanced in line process to guarantee the constant best quality. Ratio are monitored by sensor during all the casting operation with an auto regulation of the flow.


All Bardot syntactic foams are tested in our hyperbaric chambers capable of simulating 6000m water depth.
Crush test and Instrumented Buoyancy Loss test are performed as per most critical standards.


All used materials are tested in our laboratory to define their thermal and mechanical properties.

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