The shallow-water Abkatun-A Permanente platform in the Campeche Sound in the Gulf of Mexico. An explosion and fire early on April 1, 2015 killed four people and sent terrified workers leaping into the sea. State-run oil company Petroleos Mexicanos, or Pemex, said the blast injured 16 workers, two seriously, and forced the evacuation of 300. The shallow water rig was in the Gulf of Mexico off the coast of Ciudad del Carmen.