The Guardian | Explosion on Petrobras oil ship leaves three workers dead and six missing The Guardian The Unified Oilworkers Federation said in a statement on its website that the blast was caused by a gas leak in the engine room of the vessel, one of the many floating oil production, storage and offloading units that Petrobras employs in developing ... 3 Killed, 10 Hurt in Blast Aboard Petrobras Oil Platform Petrobras oil rig blast causes casualties Oil ship explosion in Brazil kills three, union says |