Equinor has made a gas discovery close to its Johan Castberg oilfield in the Barents Sea and will assess a potential tie-in to the now fully operational Arctic field. Equinor and its partners in the exploration and production license have hit natural gas in the Skred prospect, in a well drilled 23 kilometers (14 miles) north of the Johan Castberg field and 210 kilometers (130 miles) northwest of Hammerfest, a major gas export facility in Norway, the Norwegian Offshore Directorate said on Thursday. Preliminary estimates put the size of the discovery…