Johan Castberg is a conventional oil development located in deepwater in Norway and is operated by Equinor Energy. Discovered in 2011, Johan Castberg lies in block 7220/5P (PL 532), 7220/8P (PL 532), 7220/7P (PL 532), and 7220/4 (PL 532), with water depth of around 1,273 feet.

The project is currently in construction stage and is expected to start commercial production in 2024. Final investment decision (FID) of the project was approved in 2017. The development cost is expected to be $5,645 m. The Johan Castberg conventional oil development will involve the drilling of approximately 30 wells and includes FPSO, subsea manifold, and subsea trees.

Field participation details

The field is owned by Petoro , Eni , HitecVision and Equinor.

Production from Johan Castberg

Production from the Johan Castberg conventional oil development project is expected to begin in 2024 and is forecast to peak in 2026, to approximately 1,92,905 bpd of crude oil and condensate. Based on economic assumptions, the production will continue until the field reaches its economic limit in 2049.

Remaining recoverable reserves

The field is expected to recover 552.83 Mmboe, comprised of 552.83 Mmbbl of crude oil & condensate.

Contractors involved in the Johan Castberg conventional oil field

Some of the key contractors involved in the Johan Castberg project as follows.

Design/FEED Engineering: Aibel , Aker Solutions , GE Water & Process Technologies , Halvorsen TEC and IKM Gruppen

Main EPC: Sembcorp Marine

EPC Contractors: Dubai World , Halvorsen TEC, Hammerfest Industriservice , Kvaerner and SBM Offshore

Other Contractors: ABB , Aker Solutions, Alcatel Submarine Networks Spas , Alimak Group and Arab Petroleum Investments

About Equinor Energy

Equinor Energy AS (Equinor Energy) is a wholly-owned subsidiary of Equinor ASA. The company provides oil and gas exploration and production services. It extracts, refines, and transports natural gas, crude oil, and wind power for manufacturing of synthetic fabrics, plastics, asphalt, cosmetics, and medicines. Equinor Energy is headquartered in Stavanger, Norway.


Information on the field is sourced from GlobalData’s fields database that provides detailed information on all producing, announced and planned oil and gas fields globally. Not all companies mentioned in the article may be currently existing due to their merger or acquisition or business closure.