OSLO: StatoilHydro has discovered oil in the Gygrid prospect, 20 km (12.4 miles) northeast of the Njord field in the southern part of the Norwegian Sea.
‘The discovery contains and estimated 20 to 30 million barrels of recoverable oil. Exploration well 6407/8-5 S and appraisal well 6407/8-5 were drilled by Seadrill semisubmersible West Alpha. Neither well has been formation tested, but data and cores have been gathered. The exploration well proved oil in Lower Jurassic reservoir rocks, and was drilled to a vertical depth of 2,347 meters (7,700 feet) below sea level. It terminated in the Lower Jurassic Åre formationDrilled as a sidetrack from the exploration well, the appraisal confirmed the oil column and delineated the discovery. It also found oil in Middle Jurassic rocks. The well was drilled to a vertical depth of 2,123 meters (6,965 feet) and terminated in the Lower Jurassic Tilje formation These wells are the third and fourth in PL 348, where the water depth is 247 meters (810 feet). They will now be permanently plugged and abandoned.