Type:
NA
Facility:
Production
Water Depth:
378
Installed:
1999
meters
Block:
6610/10
Design:
Floating steel
Sub Structure:
30759
Topsides Wgt:
12372
tonnes
tonnes
Intro
The Norne FPSO is a floating production, storage and offloading vessel operating in the Norne field in the Norwegian Sea since 1997. It integrates production and storage of primarily oil with associated gas export infrastructure, serving as the centrepiece of field development.
Field
The Norne oil and gas field, discovered in 1992, is located ~80-km north of Heidrun in ~380-m water depth. Produced hydrocarbons include oil and gas from Jurassic sandstone reservoirs. The FPSO mode of development ties multiple subsea wells and satellite discoveries to the floating facility.
Facilities
Norne FPSO is a turret-moored vessel receiving production from numerous subsea templates (including Urd, Alve, Skuld, Marulk and Verdande tie-backs). The vessel houses separation trains for crude and gas, water treatment, and storage tanks for oil. Water injection is deployed on subsea templates for reservoir drive. Gas is conditioned and exported via dedicated pipeline via the Åsgard Transport System to onshore processing at Kårstø. Oil is stored onboard and offloaded to shuttle tankers. The turret swivel allows for weathervaning around the mooring spread. Onboard utilities include power generation (gas turbines), ballast and cargo handling systems, fire and safety systems, and control rooms managing subsea and topside operations. Long-term field extension projects rely on Norne’s capacity and connectivity to subsea developments.
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