Allseas has awarded subsea technology company Seatools the contract for the delivery of the complete electrical, hydraulic, and control system for Allseas’ deep-sea mining nodule collector. The project is part of Allseas’ development program to realize advanced deep-water equipment for the gathering of polymetallic nodules from the ocean floor in a responsible way.
Subsea & Survey
Global Oceans, a US-based nonprofit corporation focused on mobilizing commercial sector resources for ocean science has acquired through a donation from Oceaneering International, Inc., three deep-sea exploration vehicles rated to 6000 meters of operational depth: the Magellan 725 ROV, the Ocean Discovery ROV, and the Ocean Explorer 6000 Towed Sonar System, together with a full complement of infrastructure to deploy the vehicles including winches, cranes, power systems, operational modules, workshops, and supplies.
Saildrone, Inc. has launched a 72 foot (22 m) version of its uncrewed surface vehicles, known as saildrones.
Rotech Subsea has clinched a contract for a follow-on phase of sandwave clearance and seabed levelling work at a state-owned Taiwan offshore wind farm. The scope of works will bring the number of active jobs for the subsea excavation pioneer in the Asia region to four when it commences in March 2021.
It’s that time of year – time to submit your entries for VideoRay’s 2020 photo contest! We’re excited to see your VideoRay ROV in action.
All submitters will receive a VideoRay T-shirt and VideoRay-branded COVID-19 face mask. In addition, the grand prize winner will receive an electronic tablet, and the top five submitters will receive a VideoRay Operations jacket.
All images submitted will be displayed early next year in the “Best of VideoRay 2020” photo gallery on the website (www.videoray.com) with full photo credits.
Here are some ideas for submissions:
- Send a photo of you or your team with your VideoRay ROV.
- Show where your ROV has been, such as above-water shots with the submersible in your operation environment.
- Underwater photos taken by a diver or another VideoRay ROV system are great – the Mission Specialist ROVs can take 13MP stills.
Need some inspiration? Check out this story on last year’s first-place winner. The deadline for submissions is January 30, 2021.
Here are the contest submission rules:
- You can send up to three high-resolution photos of you with your VideoRay ROV or the ROV in action. Images can be above or below water, and with or without an ROV pilot in the image.
- Photo must include a VideoRay ROV submersible or operator/console (with a VideoRay logo clearly visible if possible).
- Photo must be a high-resolution color image (as high-res as possible, preferably 300 dpi or higher.)
- Include a caption that includes the photographer’s name, date the image was taken, ROV pilot’s name, and brief mission description.
- Images cannot be retouched or "Photoshopped."
- If submitter did not take the image, permission and credit from original photographer is required.
- Image must be in jpg, png, tif or pdf format.
- Photos submitted in previous VideoRay competitions will not be accepted.
Please note: By submitting entries, you are granting VideoRay the right to use the submissions at its discretion for marketing and other purposes.
Oceaneering International (Oceaneering) has been awarded a contract from OneSubsea, a Schlumberger company, for the supply of the first-ever 20,000 psi-rated subsea hydraulic junction plates and associated connection hardware.
Subsea trenching and excavation pioneer, Rotech Subsea, has secured a contract for a second phase of vital infrastructure works at a state-owned wind farm in offshore Taiwan - and at the same time has secured a commission to supply an additional spread of equipment for a wholly new campaign for the same client which will run concurrently.
With another campaign in the country set to commence in early 2021, the company will execute three campaigns simultaneously in Taiwan as well as completing an umbilical post trenching scope offshore Melbourne, Australia.
Inter-array & export cable trenching
Aberdeen-based Rotech Subsea completed an initial scope of work at the Taiwan site in Q2/3, 2020 which saw its state-of-the-art TRS1 suspended jet trencher carry out an inter-array and export cable trenching scope for a major long term tier one client.
The scope of work consisted of burying a total of 21 cables - four export and 17 array - to client specification of 2.1m DoL. The project was completed in two stages. The TRS1 tool was selected by the client due to its unparalleled technical and performance capabilities resulting in increased productivity and a reduction in total project costs.
The subsea spread of equipment was mobilized for the two-stage scope of work on the Willem De Vlamingh and Grand Canyon II, deployed using the ships’ cranes to water depths ranging from 8-29m LAT.
Stage one of the project was a success with four export and 17 array cables buried with ease. Soil conditions were soft sands, however, large sections of stiff clay with strengths up to 80kPa were experienced. Despite this, the TRS1 excelled and lowered the cable with two passes at an average rate of 4m/min reaching speeds up to 10m/min in some sections.
“The second phase of this project is set to commence in early 2021 with the client having already requested to keep the TRS1 tool on stand-by in Taiwan to ensure its availability,” said Director of Subsea, Stephen Cochrane. “It’s fantastic that the client has also requested another TRS1 for an additional campaign which will run concurrently.
“We are delighted to secure this follow-on work and new campaign, which firmly establishes us as the method of choice for cable trenching in the region. Our experience and performance in these scopes mean we are now seeing more and more that our Suspended Jet Trenchers are being chosen as a primary method for trenching, over other contact trenching systems and ploughs. Because of the enhanced capabilities of the RS tools, they can provide deeper and narrower trenches than ever before, with trenching speeds more than double that of competing Mass Flow Excavation tools.”
Rotech Subsea’s in-house research, development and engineering team has created a suite of 14 tools that has established Rotech Subsea as market leader in providing non-contact Controlled Flow Excavation (CFE), Suspended Jet Trenching technology and related subsea services. The dedicated in-house R&D team continue develop their technology, with further game changing enhancements to CFE due to be unveiled in 2021.
Donation of multibeam technology and support strengthens hydrographic research capabilities of university’s new dedicated survey vessel
Marine survey technology specialist Subsea Europe Services GmbH has pledged to support HafenCity University train a new generation of expert marine hydrographers by ensuring availability of the latest hydroacoustic technology aboard the new survey boat, ‘DVocean’.
Based in Hamburg, HafenCity University is the only facility in Germany certified to the highest standards of training for marine surveyors. Its hydrography program was modernised in 2016 and subsequently examined by the International Board on Standards of Competence for Hydrographic Surveyors and Nautical Cartographers of the International Federation of Surveyors (FIG), the International Hydrographic Organization (IHO) and the International Cartographic Association (ICA), and accredited according to the “Standards of Competence of Hydrographic Surveyors” at Category A.
Subsea Europe Service’s systems enable training and scientific projects on DVocean. Credit HafenCity University
Hydrography is a popular specialization in HafenCity University’s two-year Master of Science Geodesy and Geoinformatics course, which is taught in the English language with international students making up three quarters of those attending. The 8 meter long, 2.65 meter wide DVocean survey boat is an essential component of the course, as well as various marine education and research programs at the university.
“With DVocean we have a modern hydrographic survey platform to assist in both training and research,” said Mona Lütjens, Research Assistant Hydrography and Geodesy, HafenCity University. “Our partnership with Subsea Europe Services means that tutors, students and researchers have easy access to cutting-edge multibeam technologies on DVocean, so that teaching and scientific projects can always be carried out to the highest standards.”
“We are proud to be part of the HafenCity University students’ journey to becoming professional hydrographers and look forward to developing the partnership in the future, to offer more project and data focused support for research and commercial operations aboard DVocean,” said Sören Themann, CEO, Subsea Europe Services GmbH.