Definition(s)
Buoyancy Module
Buoys used in significant numbers at discrete points over a section of riser to achieve wave-shape riser configurations. NOTE See 4.4.6.
Source: API RP 17B, Recommended Practice for Flexible Pipe, Fourth Edition, July 2008. Global Standards
Buoyancy Module
Structure of low-mass material, usually foamed polymers strapped or clamped to the exterior of riser joints, to reduce the submerged mass of the riser.
Source: API RP 17B, Recommended Practice for Flexible Pipe, Fourth Edition, July 2008. Global Standards
Buoyancy Module
Discrete component, consisting of a buoyancy element, an internal clamp and any necessary fasteners to secure these components in position, used to provide net uplift to flexible pipes by attaching a series of such components along a length of pipe.
Source: API RP 17L2, Recommended Practice for Flexible Pipe Ancillary Equipment, First Edition, March 2013. Global Standards
Buoyancy Modules
Buoyancy modules are used to achieve the wave-shape riser configurations [lazy (Figure 14), steep (Figure 15), pliant (Figure 24) and W-waves (Figure 16)]. A number of modules spaced at intervals along the flexible pipe are required to achieve a wave configuration. The buoyancy modules are typically composed of two components: an internal clamp and a syntactic or composite syntactic foam buoyancy element, as shown in Figure 17 a).
Source: API RP 17L2, Recommended Practice for Flexible Pipe Ancillary Equipment, First Edition, March 2013. Global Standards
Buoyancy Module
Discrete component, consisting of a buoyancy element, an internal clamp and any necessary fasteners to secure these components in position, used to provide net uplift to flexible pipes by attaching a series of such components along a length of pipe.
Source: API SPEC 17L1, Specification for Flexible Pipe Ancillary Equipment, First Edition, March 2013. Global Standards