West of Shetlands
22 December 2017

Cambo appraisal well located low on north flank to appraise oil in intra-volcanic Colsay Sandstone seen in well 204/10a-3, with T40 Volcanics (fractured basalt and volcaniclastics) as secondary target. Hildasay Sandstone, main reservoir at Cambo has oil-water contact at 7,619 ft TVDSS and was not an objective. Well encountered Main Hildasay Sandstone at 7,956 ft (7,851 ft TVDSS), with no shows in water-wet reservoir. No shows seen in T40 Volcanics 8,250 ft (8,145 ft TVDSS) or Colsay objective at 8,538–8,598 ft (8,433–8,493 ft TVDSS), with only minor sandstone development and no shows in Colsay.