Offshore Oil and Gas

For the offshore oil & gas industry, we supply a wide range of buoyancy and subsea plastics for various applications. Our product range encompasses all water depths, spanning from surfacelevel to 3000 metres. We produce the smallest spherical buoys with a few kilos’ buoyancy to modular systems with buoyancy of several tens of tonnes.

Additionally, we are also a supplier of protection products, including drill riser protection in accordance with offshore specifications.

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Products overview

Our product line for offshore oil and gas includes a wide range of buoyancy & subsea plastics for various applications.

Our expertise

Vanguard ship with buoyancy aboard

Tough products for tough environments

Our offshore product range is specifically to withstand the demands of the harsh offshore environment. Our products are well-suited for various applications, and can be utilized in both shallow and deep water environments.

At the heart of our technology lies high-performance syntactic foam, which has been tailored to meet the specific operating depth requirements. The modular nature of our systems allows for a wide range of configurations, ensuring precise customization to meet specific project demands.

Two engineers looking at 3D models on screen

Design and development

We are continuously refining our product range based on valuable feedback from our customers, resulting in a unique and tailored selection. Our products have evolved to meet the stringent quality and documentation requirements of the modern offshore industry, with a proven track record of successful project deliveries.

As an ISO 9001/14001 certified company, we maintain a comprehensive quality assurance and control system throughout the entire manufacturing process. Each batch undergoes the production of samples that are thoroughly tested and recorded. For additional assurance, we engage independent third-party entities such as Det Norske Veritas (DnV), SINTEF and other recognized institutions for testing, verification, and certification of our processes, technologies and products.

In addition to the standard products listed, we can offer modifications on request.

Plastic buoy cut open for plastic recycling

Sustainability and environment

We place great importance on the environmental impact of our products. We are dedicated to improving sustainability as a supplier. As part of our commitment, we provide you with the opportunity to return buoyancy products at the end of their lifespan for recycling and reuse.

Our SmartTop steel free buoyancy also provides a lighter, corrosion free option, reducing carbon footprint and replacement of corroded steel parts.

Industrial workers in orange overalls and helmets offshore

Service, repair & maintenance

Ensuring quick delivery is a key priority for our customers, and we maintain a continuous stock of our best-selling items. 

We provide a comprehensive repair program for our entire range of surface and subsea buoyancy products, and our team of highly skilled and trained technicians is capable of repairing any type of damage. The repair process typically begins with a thorough inspection to assess the extent of the damage. If the repair is deemed economically viable for the owner, we will diligently restore the damaged unit to its original condition. Repair services can be carried out either at our facilities or at your location for added convenience.

Selected references


Ovun and Ovun Innlandet to become one company from 2024


Ovun AS (formerly PartnerPlast AS) and Ovun Innlandet AS (formerly Molstad Modell & Form AS) are merging. – Our aim is to create a “one company” -a single unit to benefit from larger operations and simplify how we work, expressed Jan Møllerhaug, CEO of Ovun.   Optimized processes To strengthen the business and make operations more efficient, Ovun Innlandet AS will merged into Ovun AS starting January 1, 2024. This combination will result in a joint company with increased efficiency and easier ways of working. – We see this merger as vital to combine our strengths, pool resources, and streamline our operations. It will help us optimize our processes, resulting in better services and products for our customers, says Møllerhaug. Pål Tåsåsen, Managing Director of Ovun Innlandet, will continue as Head of the Innlandet division. – The merger is a natural step forward and sets us up for further growth in Innlandet. Since joining the group in 2015, we’ve consistently built closer collaborations across departments. Now, as one company, we anticipate more benefits for our employees and customers, states Tåsåsen.   Seamless transition The combined company will provide an even stronger platform for growth and innovation, meeting market demands in a more adaptable and competitive way. – We’re committed to maintaining and strengthening our relationships with customers, partners, and stakeholders….

Interested in knowing more?

Download a PDF version of our Offshore Oil and Gas Catalogue here.

Get in touch with Offshore Oil and Gas Sales