str seatow subsea equipment
CASE STUDY

STR SeaTow
2000

By combining our high-quality winch technology with our unrivalled research and development capabilities, the STR team was able to provide a highly effective and reliable solution for Fugro, helping the company achieve the following target metrics:

  • Effective operations down to a depth of 600m using industry standard 11.43mm diameter armoured coaxial cable.
  • Reliable handling of varying payloads, including Edgetech SSS and ROTVs.
  • Increased weather limit, while retaining data quality, and a large improvement in efficiency when surveying.
  • Integration of the Scantrol AHC system with STR’s SeaTow 2000.
  • An overall saving of vessel downtime.
wind farm technology

str subsea rental equipment

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Subsea Technology & Rentals (STR) has appointed experienced sector leader James Christie to head up activities across Europe and Africa following significant growth and plans for further global expansion.

Christie, who has over 25 years’ industry experience most recently with Ashtead Technology, takes up the newly created role of regional director Europe, Scandinavia, Caspian, and Africa (ESCA), and will be based in Aberdeen.

STR operates globally with technology and service facilities in Aberdeen, Great Yarmouth, Houston, Perth, Singapore and invested £5m in a new Norway facility earlier this year which Christie will oversee. The company has doubled headcount in the last three years and now has 120 people with further growth to be delivered through strategic acquisitions, market expansion and a diversified technology and solutions offering, with plans to have a dedicated Middle East facility next year. 

Christie brings a track record of developing strong client relationships, technical prowess and experience supporting solutions across operations, inspection, maintenance, and decommissioning. He previously spent more than 10 years of his career with Subsea 7 in operational roles including as a regional director for the Asia Pacific region. 

Steve Steele, CEO of STR commented: “James joins us at a hugely exciting time for STR as we continue to grow at pace, diversify our product and service offering and enter new markets. More of our customers are asking us to diversify our product and service offering and want to actively participate in our new product development programmes, partnering beyond traditional rental models.

“James brings a highly strategic approach to growth and full field development experience spanning operations, inspection, and maintenance to decommissioning, which will support our ambition to diversify and strengthen our service offering to our customers.”

STR has invested over $10 million (£7.4 million) in innovation and technology in the last three years with a focus on offshore energy, infrastructure, and marine markets with two new products being commercialised each year.

James Christie added: “I am thrilled to be joining STR at such a pivotal time as the business has become firmly recognised as a subsea technology leader and continues to invest, creating value for customers and bringing new challenger products to market. I look forward to further strengthening customer partnerships, supporting the growth ambition, and enhancing our focus and footprint across key global regions.”

guardian geomatics
CASE STUDY

Geophysical equipment

city

coastline

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This article was recently featured in the prestigious OGV Magazine – Australia edition, detailing STR’s work and expertise in supporting countries like Australia to tap into their energy potential, smartly and efficiently.

Few countries can boast a wealth of natural resources comparable to Australia. Among the world’s largest exporters of minerals and raw materials, the nation is also home to bountiful energy supplies, both traditional and renewable, which make it one of the industry’s most exciting markets. 

With this comes ambitious energy targets – Australia is aiming for 82% renewable electricity generation by 2030 on the path to net zero emissions by 2050. Delivering on these objectives will require major renewable projects and vast offshore wind initiatives that will hinge on the rollout of smarter, safer and more cost-effective subsea technologies. 

Meeting this demand head on, STR delivers innovative marine sensor systems and technical expertise that is helping to shape the future of Australia’s flourishing offshore energy sector

With large custom designed Technology and Service bases in Perth and Singapore, we are perfectly positioned to support complex offshore projects across Asia-Pacific. 

Well-known for our established extensive rental fleet and service offering, STR is increasingly recognised for our work as a developer of advanced subsea technologies. 

Our commitment to bringing integrated sensor systems – that help reduce vessel time, lower project costs and allow for real-time decision making in some of the world’s most challenging environments – to market has yielded technologies such as SeaCast and ROVMUX, two groundbreaking solutions that redefine how ocean data is collected and managed.

Profiling the ocean without pausing the mission

Traditional methods of sound velocity profiling require survey vessels to stop, deploy equipment, wait for data collection and then recover the sensor equipment before resuming operations. This interrupts workflow, inaccurate data and extends project timelines, something STR’s SeaCast system has been designed to counteract. 

By eliminating the need for stopping and starting, SeaCast enables surveyors to gather accurate sound velocity profile data while the vessel remains in motion, generating significant time savings – typically more than four hours per day.

It is engineered for real-time streaming of sensor data, allowing operators to make informed decisions there and then. Moreover, its compact design makes it easily mobilised on a range of platforms, from conventional survey vessels to the growing number of uncrewed surface vessels (USVs) that are now being deployed in Australian waters. 

Underpinned by smart software architecture that allows for fully remote operation, SeaCast can be fully deployed and recovered in under ten minutes, reach depths of over 300 metres while underway at four knots and 200 metres at six knots. 

For those operating off one of the world’s largest islands, SeaCast gives surveyors the autonomy, reliability and speed essential to traverse Australia’s large marine zones and dispersed offshore projects.

Smarter subsea integration for smarter ROVs

Remotely operated vehicles (ROVs) are the backbone of offshore inspection, maintenance and construction. But for too long integrating multiple sensors onto a single ROV has been a challenge that’s required complex cabling, heavy and fragile enclosures, lengthy setup times, and catastrophic product failure due to flooding.

STR’s ROVMUX system was developed in direct collaboration with Tier 1 clients to solve these problems. The result is a high-performance, compact interface that simplifies sensor integration while delivering maximum flexibility and reliability.

Despite its small footprint, ROVMUX supports up to 20 sensors – an industry-leading capacity for its size. It is also compatible with a wide range of connections, including Gigabit Ethernet, RS232, RS485, and both 24V and 48V power options, which can be switched as required. 

Built for the harsh conditions of deepwater operations, the system is depth-rated to 6,000 metres and includes robust sealing and connector systems that significantly reduce the risk of flooding or failure. 

For operators, this means fewer breakdowns, faster turnaround times, and a reduced need for on-site maintenance. ROVMUX also includes intelligent power management features such as monitored DC outputs with smart fusing and soft-start control for capacitive loads.

At the surface, an intuitive 12-inch touchscreen controller allows operators to monitor and manage system performance easily, with advanced diagnostics that support proactive troubleshooting and real-time configuration, empowering operators to do more with less, and supplied at a lower cost.

Meeting the moment and building the momentum 

Australia’s offshore market is moving quickly, with declared wind zones in Victoria progressing, feasibility studies underway in Western Australia and New South Wales, and investment in subsea mining, carbon capture, oil and gas decommissioning and intercontinental energy transmission rising.

Operators in these sectors require technologies that support real-time data collection, autonomous operations, low-maintenance design and reliable performance in remote and often harsh conditions. STR meets all these requirements with our equipment, as well as our deep domain knowledge, engineering excellence and global network that ensures clients are supported at every phase of their operations.

Whether it’s enabling faster geophysical surveys with SeaCast or expanding the capabilities of subsea vehicles with ROVMUX, STR is helping Australia’s offshore operators do more, for less. Irrelevant of geographies, the global energy transition demands mission-ready solutions that redefine what’s possible offshore – and that’s just what we deliver.

STR has officially launched a Technology and Service hub in Norway, investing £5m in a state-of-the-art facility to strengthen our presence in one of the world’s most important offshore hubs. But an investment is only as strong as the people driving it forward, and leading this new custom-built facility is Oskar Tveit, our newly appointed General Manager.

With a wealth of experience in the subsea industry, Oskar understands what it takes to deliver cutting-edge solutions in a fast-moving market. 

He commented: “I started my career as a marine engineer, progressing through offshore and subsea roles before moving into leadership positions. Over the years, I’ve worked on vessel conversions, project management and offshore operations. 

“My experience spans hands-on engineering to strategic business growth as I grew in the roles I was in, and this has offered me valuable insights and experience from the client perspective. One thing I’ve always been passionate about is looking at the bigger opportunities.” 

For Oskar, this role is about more than just leading a new facility – it’s about shaping the future of STR in Norway by utilising his industry knowledge, skills and strong network of connections accumulated over the years, as well as attracting the next generation of engineers within the sector and nurturing the existing talent at STR, providing them with opportunities to thrive in their career. 

“As General Manager for STR’s new Norway facility, it’s important to foster a good working environment through clear communication and a straightforward, honest approach” he said. 

“I strongly believe that encouraging our employees to gain hands-on experience in a supportive environment will ultimately allow them to become the best version of themselves and have a positive impact on business growth overall.”

With Norway being a major player in the subsea industry due to its established history in oil and gas, Oskar believes that the launch of STR’s new facility is a strategic move, providing further opportunities in renewable energy projects and marine research in the broader Scandinavian market, unlocking significant growth potential and expansion.

Over the next few years, a key focus for Oskar will be tapping into these industries while also reinforcing STR’s sensor capabilities and tooling range, including the development of in-house products that have already garnered client interest.  

Oskar’s overall vision for STR in Norway can be linked back to the region’s rich subsea heritage. Located in Haugesund, he aims to leverage the local talent and historical reputation to establish STR as a leading supplier of survey sensors and world class offshore equipment, building on a legacy of technical expertise that defines this part of Norway. 

Commenting on this, Oskar added: “Despite being a small area, Haugesund and the surrounding region have an incredibly high concentration of subsea expertise. The region is home to an unparalleled volume of subsea professionals and companies, making it arguably the most competent subsea hub relative to its population size. 

“I’m excited to lead STR in such a highly skilled region – and to help shape a new chapter of global growth, innovation and excellence from right here in Norway.”

Interested to find out more about our best in class services and get in touch with our Norway team? Speak directly to an STR specialist here.

STR, a leading provider of advanced sensor technology and solutions for marine applications, has strengthened its global technology and service offering by signing an exclusive technology and service partnership with SubC Imaging, an original equipment manufacturer (OEM) of subsea cameras, digital video recorder products and data-as-a-service provider.

The agreement is in response to increasing industry demand for enhanced optical solutions and real-time inspection data of critical infrastructure across the oil & gas, offshore wind, marine science, power & comms and defence markets. 

The new technology and service offering will be managed through STR’s global network. It will combine STR’s in-house camera systems, cathodic protection (CP), flooded member detection (FMD) equipment and inspection service offering with SubC Imaging’s leading camera systems, digital video recording (DVR) products, lights and lasers, and real time data streaming service.

The partnership will provide clients with complementary state-of-the-art product and inspection service offering for use on manned and unmanned platforms and vessels.

Steve Steele, STR CEO, said: “This is a significant partnership for us as part of our commitment is to provide clients with the very best sensor, inspection and data solutions through technology and service quality.  This collaboration enables us to direct opportunities toward one another, where appropriate, and focus on the best optical and inspection solutions for our clients.  We look forward to building a strong working relationship with Chad and his world-class team.”

Chad Collett, SubC Imaging CEO, said: “This partnership reflects SubC Imaging’s commitment to making advanced optical and data solutions more accessible to the global offshore market. STR’s rental expertise and strong international presence align perfectly with our goal of delivering flexible, high-quality technology that helps clients improve efficiency and data quality in the field.”

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