About Halvorsen Offshore

Halvorsen Offshore has more than 170 years of experience in producing boilers, separators and pressure technology.  
During the last 20 years we have broadened our horizon and are now a complete system provider within high pressure vessels, heat exchangers, separators, water treatment systems and related power and process systems. 
The company's main office and engineering department are located in Kvinesdal, where we also have a manufacturing hall, workshop and offshore base at the shipment port. We also have offices and a workshop for maintenance and modifications in Stavanger.

Our values:

Innovative – Flexible – Reliable – Enthusiastic – Energetic

Our strengths:

Excellent cooperation with the other companies within the Halvorsen Group

Flexible organisation

  • Close contact between engineering, manufacturing and installation
  • Stable workforce representing continuity for our customers' projects
  • Our own control system which includes quality assurance and environmental management in accordance with ISO standards
  • Integrated project execution method with related control system

Our operations:

Halvorsen Offshore has its own project execution method which ensures optimal management, control, productivity, economy and quality from start-up to completion. We also have a control system (QHSE) which we utilise as a means to ensure implementation of and continuous improvements to our project execution method.

Halvorsen Offshore also supplies modification and replacement projects for customers on the oil, gas and energy markets.


  • Pre-qualified as multi-disciplinary supplier for operating companies
  • NS-EN ISO 9001
  • NS-EN ISO 14001
  • DnV: Pressure and temperature systems classes 1 & 2
  • Registered in the Achilles, Sellicha, Fpal
  • 5S
  • Deliveries in accordance with: NORSOK, DnV, PED, Lloyds Register


​35 tonne exhaust duct on 7 trucks
%c3%98ystein sirnes- sveinung egeland- john vester nielsen og magne ingebretsen i peder halvorsen industrier  
Major delivery by Halvorsen Offshore
Exhaust duct for Veslefrikk

Halvorsen Offshore AS

 /  Øyesletta 59  /  4480 Kvinesdal  /  Norway  /  post@halvorsenoffshore.no

HALVORSEN OFFSHORE is a specialised supplier of small and medium -sized multidiscipline projects and modifications.