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 ledergruppe bilde utenfor produksjonslokaler

PartnerPlast becomes Ovun


PartnerPlast has a long and proud history. A lot has changed since the beginning of the 90s, both within our company and among our partners. It is therefore natural to take a step forward. PartnerPlast is changing its name to Ovun.   PartnerPlast was established in Åndalsnes more than 30 years ago. Every year, we have evolved, found new solutions, and established new partnerships. We have grown steadily, faced challenges, and pushed forward. Today, we are stronger than ever. Initially, PartnerPlast partnered with our customers to manufacture plastic products. Today, we do much more than that. We have established ourselves in many markets and excelled in various fields and production technologies. Our own products dominate our deliveries, while we remain an important partner and manufacturer of our customers’ products. We are a leading player in our areas of expertise. Over the years, several companies have been merged and integrated into PartnerPlast. Our subsidiary, Molstad Modell og Form AS, will initially change its name to Ovun Innlandet AS, and will also be merged into Ovun in the near future. We are doing this to create maximum efficiency and a unity – “One Company” – for all our stakeholders. In order for the name to represent what we stand for, we feel the need to change the company name. A name change…

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