Oil platform explosion in the Gulf of Mexico

In this aerial photograph, a supply vessel moves near an oil rig damaged by an explosion and fire, Friday, Nov. 16, 2012, in the Gulf of Mexico about 25 miles southeast of Grand Isle, La. Four people were transported to a hospital with critical burns and two were missing.

Scene from an oil platform explosion in the Gulf of Mexico on Nov. 16, 2012.

In this image released by a oil field worker and obtained by the Associated Press, a fire burns on a Gulf oil platform Friday, Nov. 16, 2012, after an explosion on the rig, in the Gulf of Mexico off the Louisiana coast. An explosion and fire ripped through a Gulf oil platform Friday as workers used a cutting torch, sending at least four people to a hospital with burns and leaving two missing in waters off Louisiana.

This aerial photograph shows an oil rig damaged from an explosion and fire in the Gulf of Mexico, about 25 miles southeast of Grand Isle, La., Friday, Nov. 16, 2012. Four people were transported to a hospital with critical burns and two were missing.

This aerial photograph shows damage from an explosion and fire on an oil rig in the Gulf of Mexico, about 25 miles southeast of Grand Isle, La., Friday, Nov. 16, 2012. Four people were transported to a hospital with critical burns and two were missing.

In this aerial photograph, a supply vessel moves near an oil rig damaged by an explosion and fire, Friday, Nov. 16, 2012, in the Gulf of Mexico about 25 miles southeast of Grand Isle, La. Four people were transported to a hospital with critical burns and two were missing.

A supply vessel moves near an oil rig damaged by an explosion and fire, Friday, Nov. 16, 2012, in the Gulf of Mexico about 25 miles southeast of Grand Isle, La.

This aerial photograph shows damage from an explosion and fire on an oil rig in the Gulf of Mexico, about 25 miles southeast of Grand Isle, La., Friday, Nov. 16, 2012. Four people were transported to a hospital with critical burns and two were missing.