Retooled Diver-Serviceable Bottom Mounts

Retooled Diver-Serviceable Bottom Mounts

DeepWater Buoyancy has recently retooled the popular Diver-Serviceable Bottom Mount.  In addition to improvements to the standard, welded bottom mount (BTM-AL50-A), a fold-able version was designed to reduce shipping costs, minimize space on deck and simplify handling for deployment (BTM-AL50-B).

Both of these rugged tripods come ready to accept your ADCP and remote battery canister, and can easily be modified to fit CTD, wave/tide gauge, velocimeter or other instrumentation.  The frames can also be fitted with acoustically-released popup buoys.

BTM-AL50’s are manufactured using  5000 series aluminum and galvanically-isolated fasteners, and are fitted with zinc anodes for superior corrosion resistance. The standard double-axis gimbal keeps your ADCP oriented to vertical after deployment and is manufactured using ultra-high molecular weight polyethylene to deter marine growth.  Fixed mounts can also be provided.

The units’ three foot pads are supplied with through holes for ballast or for spiking depending on your application. Standard (10lb/4.5kg) urethane-coated ballasts are provided for each of the three legs.  Additional ballast is available upon request .

Download a datasheet HERE

See all our product types HERE

About DeepWater Buoyancy, Inc.

DeepWater Buoyancy creates subsea buoyancy products for leading companies in the oceanographic, seismic, survey, military and offshore oil & gas markets.   Customers have relied on our products for over thirty years, from the ocean surface to depths exceeding six thousand meters.

For further sales information:  Dan Cote, Sales Manager  |  sales@deepwb.com  |  +1 207 502 1400

For further company information:  David A. Capotosto |  davidcap@deepwb.com  |  +1 207 468 8545

ONR/MTS Buoy Workshop 2016

ONR/MTS Buoy Workshop 2016

DeepWater Buoyancy is co-sponsoring and exhibiting at the 11th MTS Buoy Workshop sponsored by the Marine Technology Society (MTS).

The Workshop will be held at the Woods Hole Oceanographic Institution (WHOI), Woods Hole, Massachusetts, on Quissett Campus.  The workshop will run from April 18-21, 2016.

To learn more about the event,  CLICK HERE

On Friday the 22nd, participants have been invited to make the trip north to Maine for lunch and a tour of DeepWater Buoyancy’s Biddeford facility.  Afterwards, participants can continue on and take a tour of the Yale Cordage facility in the neighboring town of Saco.

To sign up for the lunch and tour simply send an email to sales@deepwb.com.

To learn more about Yale Cordage, go to www.YaleCordage.com.

To learn more about DeepWater Buoyancy, go to www.DeepWaterBuoyancy.com.

New Representative in the Middle East

New Representative in the Middle East

DeepWater Buoyancy, Inc. has announced today that it has entered a distribution agreement with Unique Group, a leading subsea and offshore service provider headquartered in the United Arab Emirates. Unique Group will act as sales representative and distributor of DeepWater Buoyancy’s subsea buoyancy products within the GCC region.

DeepWater Buoyancy has over 30 years of experience in engineering and manufacturing subsea buoyancy products for oceanographic, offshore oil and gas, and industrial companies around the world. The product line includes ADCP deployment solutions, mooring buoys, cable and marker floats, instrument collars, trawl-resistant bottom mounts and ROV buoyancy.

On securing this partnership, Sahil Gandhi, Executive Director at Unique Group commented, “We are excited about our new partnership agreement with DeepWater Buoyancy. Its products are high quality and are appreciated by customers across the globe. We’ve been dealing with oceanographic products for ADCP and other mooring solutions and to complete our product offering, we chose to partner with Deepwater Buoyancy in order to provide turnkey solutions in offshore oceanographic monitoring. We look forward to strengthening our customer base in the region with products such as the ADCP and mooring buoys, marker and cable floats, and the ROV buoyancy modules which are of special interest for projects within the GCC.”

David Capotosto, Co-President of DeepWater Buoyancy Inc. added, “The partnership with Unique Group is in line with our goal of expanding our global network of representatives. It reinforces our philosophy of local representation the world over, thus providing customers with the very best in technical and sales support. Unique Group is particularly well-established in the Middle East and is amongst the best sales and technical organizations in the region. We are excited about the opportunity for our products to reach a wider customer base in this region. We look forward to a great association with Unique Group in the years ahead.”

About Unique Group

Founded in 1993, Unique Group is among the world’s prominent integrated subsea and offshore solution providers. Through its five operational business divisions, Unique Group is a specialist in the provision of engineering, sales and rental of equipment for the marine, diving, and subsea market sectors. The group has an established manufacturing capability for the delivery of customized engineering projects worldwide. Unique Group is headquartered in Sharjah, Middle East and has a local presence in the USA, UK, Netherlands, South Africa, India, and Singapore and employs over 500 people worldwide.

For more information, please contact: Sharad Kumar, Group Business Development Manager | kumar@uniquegroup.com | +971 6 5130490

About DeepWater Buoyancy, Inc.

DeepWater Buoyancy creates subsea buoyancy products for leading companies in the oceanographic, seismic, survey, military and offshore oil & gas markets.   Customers have relied on our products for over thirty years, from the ocean surface to depths exceeding six thousand meters. Contact us at www.DeepWaterBuoyancy.com

For further sales information:  Dan Cote, Sales Manager | dcote@deepwb.com |+1 207-468-2565

For further company information:  David Capotosto, Co-President | davidcap@deepwb.com | +1 207-468-8545

Cut Out 62 inch ADCP

DeepWater Buoyancy’s 62 inch spherical ADCP buoy with integral frame, clamps and instrument pockets.

Mooring Matters: When low is the way to go.

Mooring Matters: When low is the way to go.

For the first of a series of technical articles, we asked our friend and ocean engineer Jon Wood to write a short article about the value of subsea mooring of instruments. Jon has decades of experience working with DeepWater Buoyancy’s ADCP deployment product line.

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Oceanographic moorings can be categorized as surface-based, sub-surface, or bottom-mounted.

Bottom-mounted moorings are generally fixed frames containing the sensor payload, and to ease deployment and retrieval, typically restricted to relatively shallow waters; say, less than 50m depth.

Surface moorings are used in all water depths from shallow areas to the deepest parts of the world’s oceans. Surface-based systems utilize a large buoy with sufficient reserve buoyancy to remain upright in all expected conditions. Think hurricanes and other storms. Surface buoys are required for real-time data telemetry for operational purposes or data security concerns. These buoys require warning apparatus such as radar reflectors and navigation lights, and are prone to damage due to storm systems, vessel collisions, vandalism, or theft. Further, buoy response to the surface wave field during energetic events can cause excessive motion of buoy-mounted sensors, such as acoustic Doppler current profilers, and thereby degrade the quality of data obtained from them.

Subsurface buoy systems offer an attractive alternative to these other techniques for several reasons. Installing buoys below the surface, and out of sight, relieves any risk of human tampering or vessel collision while left unattended. This is especially important in remote regions where much of our work takes place. Prudent design of a subsurface mooring system can position sensors optimally to provide high-quality observations less affected by higher-frequency motions resulting from near-surface energy. Because the sensors can be placed well below the surface layer, the improved sensor stability reduces noise and results in a superior measurement.

Two examples of the benefits of subsurface moorings come to mind. In 2005, Hurricane Katrina passed closely to our deep-water subsurface mooring at the time of near-peak intensity. Despite our worst fears, the mooring survived without any damage and was recovered successfully with full data capture. The mooring was designed to place an ADCP 80m below the surface, looking upward. While the storm kicked up massive waves and currents in the near-surface layer, destroying many rigs and other infrastructure in the Gulf of Mexico, our ADCP sat well below the action, quite stable, and provided extremely high-quality, high-resolution current profiles throughout the entire event.

In 2009, we were asked to measure high-speed turbidity currents in the deep Congo River canyon off West Africa. Turbidity currents are sediment-fueled, undersea ‘avalanches’ which destroy nearly everything in its path. Despite numerous attempts in this area there had been no success with direct measurement. Knowing turbidity currents are strongest near the seabed and decrease in intensity above, our subsurface mooring design used the same remote sampling approach as for Katrina, except in this case the ADCP was inverted. The ADCP was about 70m above the seabed and looking downward, at an elevation where currents were expected to be weaker. All supporting high-drag mooring components such as buoys and acoustic releases were also placed well above the seabed, out of the high-speed flow, attached to a large anchor with just a single length of thin-diameter wire. During this program we measured dozens of turbidity current events successfully with very high spatial and temporal resolution. The most intense event reached speeds exceeding 5 knots! In water depths exceeding 2000m!

These are but two cases where subsurface moorings can be designed optimally to record even the most energetic ocean processes.

About Ocean Data Technologies, Inc.

Ocean Data Technologies, Inc. is a Massachusetts (United States) corporation providing oceanographic data acquisition services and support to the global offshore marine industry. Ocean Data designs and installs simple, reliable systems that collect information critical to our customer’s needs in deep-water, continental shelf, as well as nearshore and estuary regions.

Contact us at www.oceandatatech.com

About DeepWater Buoyancy, Inc.

DeepWater Buoyancy creates subsea buoyancy products for leading companies in the oceanographic, seismic, survey, military and offshore oil & gas markets.   Customers have relied on our products for over thirty years, from the ocean surface to depths exceeding six thousand meters.

Contact us at www.DeepWaterBuoyancy.com

Ocean Data ADCP Deployment

Ocean Data Technologies deploys a subsea mooring with a DeepWater Buoyancy ADCP buoy.

 

DeepWater Buoyancy Produces New “Square” Marker Float

DeepWater Buoyancy Produces New “Square” Marker Float

At the request of one of our customers, DeepWater Buoyancy has recently completed the design, tooling and production of a new, stack-able marker float.  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.

The traditional marker float, which has been produced for over 30 years, is the shape of a U.S. football. The new design has a square cross section.  The square shape provides an even stronger signature for location.  It also allows stacking for more efficient storage and shipping.  Like the traditional model, the “square” marker float is constructed with a durable, rotationally-molded shell and is filled with solid DeepTec™ syntactic foam.  It is molded from a bright yellow polyethylene for visibility.

Both models provide the same amount of buoyancy and are the same price for a given depth rating.   Standard models are available for 3000, 4000 and 6000 meters.  Of course, like all other DeepWater Buoyancy products, if you have a special requirement for a different depth, just ask.  We are glad to accommodate you.

To download a datasheet, click HERE

See all our product types HERE

For further sales information:  Dan Cote, Sales Manager  |  sales@deepwb.com  |  +1 207 502 1400

DeepWater Marker Floats Syntactic

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