Marine Technology Articles
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Marine Technology
on March 2019The US GEOTRACES program is dedicated to collecting trace elements and their isotopes from the world’s oceans for scientific purposes. Oceanographic working environments can be harsh, so durable equipment is essential for successful underwater missions.Electromechanical cable specialist Cortla
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- A SmallSat AUV Network page: 54
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Marine Technology
on February 2019There’s more to a global network than satellite links, and yet sat-linked remote operations experts can heap huge scientific and technological gains on the world. That’s what’s happening in the background — a smallish network of the best scientists from around the world are o
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on February 2019Data sharing and better understanding of how marine life interacts with manmade structures is the target for the next phase of the Insite program.What to do with offshore structures is a sticky problem for oil companies, regulators and policy makers alike, as many structures are starting to cease pr
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- One-on-One: Chris Gibson, VideoRay page: 12
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on February 2019Chris Gibson is VP of Sales & Marketing at VideoRay, a leader in portable, inspection-class remotely operated vehicles (ROV). Gibson is a ubiquitous figure around the globe representing the VideoRay brand, and has been with the company since its inception in 1999. MTR spoke with Gibson rec
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on February 2019Martin McDonald, an industry veteran with more than 35 years under his belt, is responsible for Oceaneering’s global ROV business. With a broad based of ROV experience – from operation to repair to maintenance to management – McDonald shares with MTR his insights on the historical development and fu
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Marine Technology
on January 2019Subsea vehicles of every shape and size have evolved mightily in the past few years, as a confluence of communication, electronic and autonomy technologies have conspired to increase the accuracy, duration and efficiency of such systems. MTR tapped a few key industry leaders to discuss the path ahea
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Marine Technology
on January 2019As 2019 begins, the ocean tech community celebrates 50 years of Oceanology International, a global gathering and showcase of the tools and technologies used by maritime industry, science, and defense. In that retrospective spirit it is informative to look to the history of the unmanned maritime vehi
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- The “Disruption” in AUV Trends page: 42
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Marine Technology
on January 2019Missions—it’s all a question of missions. The mission decides the payload, battery capacity, size and processing power of an autonomous underwater vehicle, or AUV. King among these is payload, from which market disruption is just waiting to happen. Changing payloads of artificial intelligence, manag
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- Contemporary UUV Propulsor Design page: 20
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Marine Technology
on January 2019From the standpoint of vehicle propulsion physics, an unmanned underwater vehicle (UUV) is little different from your personal ski boat or a tanker. It shares the Vessel-Propulsor-Drive system model, which allows a Propulsor to convert Drive energy into thrust for the purpose of moving a Vessel. The
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Marine Technology
on January 2019As subsea power needs evolve, so to must the batteries that provide the power.Operators of autonomous underwater vehicles (AUVs) need longer survey runs, deeper dives, and lighter batteries, which result in lighter units in the water. Remotely operated vehicle (ROV) teams require electric-powered ma
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Marine Technology
on November 2018As Oceanology International celebrates its 50th Anniversary in 2019, Marine Technology Reporter visits with show director Jonathan Heastie of Reed Exhibitions for his insights on the development an direction of the organization’s Oceanology Americas event, scheduled for February 25-2
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Marine Technology
on November 2018Three Decades of High Pressure for Lowered ADCPsIntroductionEver since the unexpected motions of the first deep-drifting floats, oceanographers have worked to lift the veil on deep currents. Direct current measurements have come in various guises. Neutrally-buoyant floats and their profiling offspri
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Marine Technology
on October 2018Marine Technology Reporter interviews Michael Jones, the ubiquitous leader of The Maritime Alliance and the architect of the Blue Tech Week in San Diego. The theme for the 10th Annual Blue Tech Week is “UN Sustainable Development Goals – Industry Solutions”.For MTR readers not familiar with BlueTech
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Marine Technology
on October 2018Two Decades of Moored ADCPs off Southern AfricaFor the last two decades, the energetic and deep currents off southern Africa have seen persistent scrutiny. Found on the western edge of the South Indian Ocean, the Agulhas Current system exhibits complex circulation patterns — retroflection, meanderin
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- Seismic From Below page: 30
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Marine Technology
on October 2018Seabed Geosolutions’ Ocean Bottom Seismic & Manta OBNThe acquisition of seismic data using nodes placed on the sea floor, Ocean Bottom Seismic (OBS) and its use in deep water with Ocean Bottom Nodes (OBN) have been growing rapidly in recent years due to considerable cost savings resulting from innov
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- Hunting Hydrocarbons page: 34
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Marine Technology
on October 2018Subsea gliders are taking to the oceans to hunt for an ever wider array of anthropomorphic and chemical signatures to an ever greater accuracy.Ocean glider systems are maturing. Since emerging in the 2000s, they’ve opened up new possibilities for ocean observation and monitoring. But, these possibil
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Marine Technology
on September 2018The defense sector is looking for ways to extend its reach and capabilities, with underwater robotic and autonomous systems and sensors.Extending the capabilities of submarine warfare systems without the need for humans is a key focus in the marine defense space. Navies feel under threat; they have
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Marine Technology
on September 2018Back to the seaIt is widely said that life started in the ocean, and gradually moved on to land. In the case of tracked robots this trend is reversed. During the early 2000s, driven by significant defense demands, compact ground robots developed rapidly. Products like the PackBot from iRobot and the
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Marine Technology
on September 2018The exploration and production of deepwater pre-salt plays offshore Brazil have triggered major technological challenges. Some reservoirs are located under 2,000 meters of water and have to be drilled through another 2,000 or so meters of salt. Although exploration challenges have been daunting, pro
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- Engineering Better Propulsion page: 54
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Marine Technology
on September 2018“Propeller design has often been considered kind of a black art,” said Donald MacPherson, technical director at HydroComp, Inc. But it’s an art that MacPherson has always had a knack for, and today his company is known as experts in the field of hydrodynamic performance.MacPherson co-founded HydroCo