Norwegian state-oil company Equinor ASA is shutting in production on it Titan platform in the Gulf of Mexico ahead of Tropical Depression Cristobal, the company said on Friday.
Equinor will evacuate remaining workers later on Friday, a spokesman said.
Royal Dutch Shell Plc said on Friday there has been no impact to offshore oil production from Cristobal, but it expects a minimal impact to drilling.
Shell is evacuating non-essential workers in the Gulf as Cristobal begins moving north to reach the Louisiana coast by Sunday night after passing through the heart of U.S. offshore oil production areas over the weekend.
Occidental also has evacuated non-essential workers from some of its central Gulf of Mexico facilities.
(Reporting by Erwin Seba and Jennifer Hiller in Houston; Editing by Chizu Nomiyama and Alistair Bell)