Southern North Sea
10 February 2021

Appraisal well on Winchelsea; low-relief fault block/subconformity trap with a Lower Ketch (Westphalian C/D) main objective and Murdoch Sandstone secondary objective. Well deviated SE from possible development template location to undrilled Winchelsea South fault block. Lower Ketch at 16,098–16,326 ft (12,419–12,531 ft TVDSS) was 112 ft TVT gross with minor gas shows in thin crevasse splay sand stringers but no net reservoir or pay. Water-wet sands in basal Caister sand at 16,576 ft. Murdoch Sandstone tight with no shows.