Block 23/22b was awarded to Reach and operator Premier Oil in 2004, as licence P1181. Reach has 12.5% interest. The acreage lies along the prolific Norwegian Ula trend and well 23/22b-4, drilled in 1992, discovered oil at this stratigraphic interval. This well was sited to test the crest of a tilted fault block and found a thin oil bearing sand; the reservoir interval thickens substantially down dip .This discovery is called Corrie and an appraisal well is planned for 2008.