For the next installment in our series of technical articles, Ryan Nicoll of DSA looks at controlling uncertainty in buoy drag coefficient when designing oceanographic moorings.
Marker Floats
Rugged and highly visible, our marker floats are used in ROV and Survey operations around the world. Due to their unique acoustic signature and high visibility coloration they are a popular choice for marking bottom location to facilitate ROV maneuvering.
Whether in the traditional “football” shape or in the newer stackable, “square” form, these units are extremely reliable. They can’t leak or implode. Constructed with a tough, rotationally-molded exterior shell and a solid DeepTec® syntactic foam core, these products endure even the roughest handling on deck.
Traditional Football-shaped Marker Floats
Square Marker Float
Square Marker Float
Stacked Square Marker Floats
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Mooring Matters: Sustained Measurements of Crucial Ocean Currents – PART 2
Part 2 of Dr. Peter Spain’s article on the development of ADCP technology and the use of syntactic foam buoyancy in subsea moorings.
NEW Pop-Up Buoy for Sonardyne LRT
DeepWater Buoyancy, Inc. has developed a new Pop-Up Buoy Recovery System for the Sonardyne LRT Acoustic Release.
Related Products
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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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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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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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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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Pipeline Buckle Mitigation Buoyancy
Buckle Mitigation Buoyancy is used to protect subsea pipelines on the seafloor from the effects of lateral buckling. Modules are custom-designed to fit each application taking into consideration the designed uplift, pipeline specifications, and deployment strategy. Units are made with rotationally-molded exterior shells, DeepTec® syntactic foam cores and integral elastomeric clamps.
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New ProductMiniMod™ 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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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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Cable Floats
Hydrodynamic cable floats provide low-drag distributed buoyancy for a variety of offshore, commercial, military and oceanographic applications. Available with two attachment methods and sized to fit any cable, these floats are some of the most versatile buoyancy products available. They are available with depth ratings to 6000m. Ask about our Quick-Loc® hinge and latch system for frequent deployment and recovery.
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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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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 balls 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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