IOG is 50% owner and operator of three fields in the UK sector of the Southern North Sea, which collectively will form Phase 1 of IOG's Core Development. The remaining 50% interests are held by CalEnergy Resources Limited.  

Field Licence(s) Block(s)
Southwark P1915 49/21c
Blythe P1736 49/22b & 48/23a
Elgood P2260 48/22c


The Field Development Plan submitted to the OGA has been optimised in 2019 to reflect a two phase development, with Phase 1 comprising the Blythe, Elgood and Southwark Fields and Phase 2 comprising the Nailsworth, Elland and Goddard fields.

FID was declared in October 2019, FDP has been approved by the authorities in May 2020 and first gas is planned for Q3 2021.