This month’s product spotlight focuses on one of DeepWater Buoyancy’s most versatile offerings: MiniMod™ Small Modular Buoys.
Pipeline Buckle Mitigation Buoyancy
Under certain conditions, subsea pipelines can experience lateral movement known as “buckling”. Lateral buckling causes the pipeline to be dragged across the seafloor, which can jeopardize the pipeline’s integrity. In response to this, Pipeline Buckle Mitigation Buoyancy modules are clamped onto the pipeline to control the formation of the lateral buckles and to alleviate stress. These modules decrease the lateral friction from the buckle by both reducing weight of the buckling sections and by providing a protective shell.
All modules are custom-designed to fit each application taking into consideration the designed uplift, pipeline specifications, and deployment strategy. The standard design has an integral elastomeric clamp designed to secure the modules against axial and torsional loads. All units are made using high-performance DeepTec® syntactic foam inside a thick-walled polyethylene exterior shell that provides superior resistance to impact, wear and biofouling.
Compression of the clamp is maintained by either standard hardware or by strapping systems. In either case, installation tools are provided to create the required compression for the elastomeric component.
Contact Us
To get assistance in choosing or configuring the correct product, to obtain a quote, or to place an order, please contact us.
Installation of Buckle Mitigation Buoyancy on a pipeline.
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MiniMod™ Small Modular Buoy
MiniMod™ small modular buoys are designed for lighter applications. Still rated to depths as great as 6000 meters, the standard 7-module buoy can provide up to 330 kg of buoyancy. Made from high-strength DeepTec® solid syntactic foam that is finished with an abrasion-resistant, polyurethane elastomer coating, these buoys can stand up to rough handling on-deck and in the water. The syntactic foam modules are held together and handled by use of synthetic straps, as opposed to metal hardware for corrosion resistance, ease of handling, and no loss of buoyancy.
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Modular Buoy System
Modular buoys are the most versatile approach for offshore applications. They are offered in a variety of standard sizes with buoyancy as great as 10 tons and depth ratings to 3000 meters and beyond. For installation of pipeline sleds, jumpers or suspended moorings, this multi-purpose product offers a straightforward way to meet buoyancy requirements.
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Subsea Cable Floats
DeepWater Buoyancy’s line of Subsea Cable Floats provide low-drag distributed buoyancy for a variety of offshore, commercial, military and oceanographic applications. Available in a wide range of sizes, three different attachment styles, and with internal diameters sized to fit a wide array of cables, these floats are some of the most versatile buoyancy products available. All cable float offerings are available in depth ratings from 750 meters to 6000 meters.
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New ProductFloating Offshore Wind Cable Buoyancy
Floating Offshore Wind Cable Buoyancy provides distributed buoyancy for cables used in floating wind applications. This buoyancy can reduce top tension loads, as well as support compliance in the cable during movement of the floating platform.
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Jumper Buoyancy
Designed with internal elastomeric clamp features and manufactured from high-performance DeepTec® syntactic foam, Jumper Buoyancy modules are designed as a cost-efficient solution for weight reduction of jumpers and tie-in spools. Modules can also be provided with integral helical strakes to decrease vortex-induced vibration (VIV).
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Instrument Collars
Designed for long term submergence, our instrument collars provide years of reliable service and stand up to rough handling during operations. Each yields the buoyant force needed for a rapid ascent and positive recovery without impairing the performance of the instrument. From shallow water surveys to ultra deepwater positioning, you can count on these collars to help ensure overall success in the field.
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HardBall® Floats
HardBall® Floats provide distributed buoyancy for cable laying, offshore, and oceanographic applications. They are available in a range of sizes and depth ratings. Unlike glass spheres or hollow plastic floats, HardBall® Floats cannot leak or implode. Only the highest strength, epoxy-based DeepTec® syntactic foams are used to form the core — no macrospheres or other high risk materials.
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ROVits®
Designed similarly to “tether balls,” ROVits® are our answer to the request for multi-purpose small floats. ROVits® provide buoyancy to make manipulator and ROV tasks easier, especially where hardware like lift eyes, pins, and handles are involved. ROVits’® rugged design and 3000m depth rating make them the most versatile tool in your support van.
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Marker Floats
Rugged and highly visible, our marker floats are used in ROV and Survey operations around the world. A tough rotomolded exterior shell resists damage to the DeepTec® syntactic foam core even during the roughest handling.
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Umbilical Buoyancy
Umbilical Buoyancy provides distributed buoyancy for platform-to-seafloor umbilical applications. Available with either an integral or secondary clamp, these modules can be provided to fit umbilicals of any size or configuration. Umbilical Ballast modules are also available to assist in the creation of the proper umbilical arrangement.
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ROV Buoyancy
We provide the highest quality flotation for offshore, research, commercial and military vehicles. Made with DeepTec® syntactic foam, these floats are the most reliable and cost-effective choice for ROV, AUV and tow body flotation. Whether you are outfitting a new vehicle or tooling package, or require customized add-on buoyancy, you will get a superior product and quick turnaround.
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