Privately owned Corallian Energy Ltd. has spudded an offshore appraisal well south of Wytch Farm oil field in southern England. The Ensco 72 jack up is drilling the 98/11a-5 well on License P1918, appraising a 1986 discovery designated Colter. The Colter well recovered oil on test from the Triassic Sherwood sandstone, the main reservoir at Wytch Farm.

Source: News