Idemitsu Petroleum Norge (IPN) is a subsidiary of the Idemitsu group, one of Japan’s largest energy corporations.

We entered the Norwegian Continental Shelf (NCS) in 1989 by acquiring a stake in the Snorre field.

Our office is located in Oslo and we currently employ around 60 highly skilled and experienced professionals.


Our HSE policy states that Health, Safety and Environmental considerations are of primary focus at all levels in our organisation. 

Go to the top menu and click on HSE&Q for more detailed information.


Partial divestment of Barents Sea acreage
(Published 20.10.2020)

Idemitsu Petroleum Norge AS (IPN) is pleased to confirm that on 2 October 2020, a sale and purchase agreement was signed with Lundin Energy Norway AS under which IPN agrees to divest half of its Barents Sea portfolio to Lundin subject to the approval of its parent company, Idemitsu Kosan Co.,Ltd. and the Norwegian authorities.

Oil discovery in the Dugong prospect near Snorre Field in the North Sea – 34/4-15 S and 34/4- 15 A
(Published 06.08.2020)

Idemitsu Petroleum Norge AS (20%) with the Operator Neptune Energy Norge AS (40%), Petrolia NOCO AS (20%) and Concedo ASA (20%) have discovered oil in license PL882 in the exploration well 34/4-15 S, and sidetrack well 34/4-15 A 10 km west of the Snorre field.

Click to view our licences
Click to view our licences


IPN is partner in ten producing fields and more than 20 exploration licenses all across the NCS.
We are also participating in a number of discoveries currently being evaluated for development.