The Bureau of Safety and Environmental Enforcement (BSEE) and U.S. Coast Guard (USCG) are investigating the fatality of a worker on board the Petrobras 10,000 drillship in the Gulf of Mexico. Petrobras America Inc. reported the fatality on board the Transocean Ltd. owned drillship at about 4:45 a.m., December 2, 2017. The rig was in an area of the Gulf known as Walker Ridge 469, about 172 miles south of Port Fourchon, La. The deceased worked for Spencer Ogden Ltd. and was participating in pipe handling operations at the time of his injury.