Shell acquired JX Nipponâs 34.0127% interest in block 22/25a Merganser Down to 3300m (licence P111). The block is located between the northern sector of the Merganser field and the southern sector of the Culzean field. The deal completed on 19 December 2018.  The Merganser field is operated by Shell. It was discovered in 1995 and is a gas / condensate field with steeply dipping Tertiary to Paleocene strata of Forties, Andrew and Maureen sandstone member reservoirs on the flanks of a fully piercing salt diapir.  Following completion of the deal interest in the block is now held by Premier Oil UK limited (65.9873% + operator) and Shell U.K. Limited (34.0127%).
United Kingdom, Forties