Southern North Sea
1 September 2013

Exploration well on the Denver prospect. Believed to have a Lower Permian Leman Sandstone objective on a fault block ("pop-up") inversion structure at c. 8,000 ft. Nearby Caravel discovery well 49/20b-5 (Shell, 2002) proved a full gas column in the Leman from 7,939 to 8,228 ft TVDSS (289 ft gross), with 249 ft of net pay (net/gross 0.86), an average porosity of 15 and Sw of 15%.