Shell (RDS.A) Hits Oil in Gulf of Mexico’s Blacktip North Prospect Posted byZacks Equity Research December 10, 2021 Leave a comment on Shell (RDS.A) Hits Oil in Gulf of Mexico’s Blacktip North Prospect Shell’s (RDS.A) Blacktip North Well encountered more than 300 feet (91 metres) of net oil pay and an assessment is underway to further determine development options.