The fifth and final platform has been fitted at the Johan Sverdrup field in the Norwegian North Sea.
Equinor has shared a video online of the momentous milestone after the installation was completed yesterday.
The P2 platform, the second processing platform for the Johan Sverdrup field, weighs an eye-watering 25,000 tonnes.
A total of 20 million man-hours were spent designing, building and completing the huge platform.
It was installed by Allseas’ Pioneering Spirit, the world’s largest heavy-lift vessel.
In a post on LinkedIn, Equinor said: “On Tuesday 8 March the fifth and final platform was installed at the Johan Sverdrup field by the world’s largest heavy-lift vessel, Pioneering Spirit.
“Upgrading, life extension and further development of existing infrastructure are some of the most important steps we take to maintain long-term and secure energy deliveries to Europe with good profitability and low production emissions.”
Johan Sverdrup came on stream in October 2019, and is the third largest oil field on the Norwegian continental shelf, with expected resources of 2.7 billion barrels of oil equivalent.
Equinor operates the field with a 42.6% interest, alongisde partners Lundin Norway (20%) Petoro (17.36%) Aker BP (11.5733%) and TotalEnergies (8.44%).
Due to Johan Sverdrup’s size it will be developed in several phases.
Representing an investment of around £3.5 billion, phase two of the project includes the development of another processing platform and modifications to the riser platform and the field centre,.
Power-from-shore supply will be hooked up to the Utsira High area, which also includes the Edvard Grieg, Ivar Aasen and Gina Krog fields, by 2022.