* Cluff's P2437 license, of which Shell now has an option to buy 50 per cent until April 30, contains the Selene prospect next to Shell operated infrastructure linked to the Barque gas field which exports gas into the Bacton Gas Terminal.
* Shell agreed to buy 70 per cent of the P2252 license and will become its operator.
* The deal was advised by Gneiss Energy and Allenby Capital Limited.