Boats spray water to extinguish a fire on an oil and gas platform operated by Mariner Energy off the Louisiana coast September 2, 2010. The oil and gas platform burst into flames in the Gulf of Mexico on Thursday, but the crew of 13 escaped and there were no signs of an oil spill, the U.S. Coast Guard said. REUTERS/Lee Celano (UNITED STATES - Tags: DISASTER ENVIRONMENT ENERGY BUSINESS) 

Boats spray water to extinguish a fire on an oil and gas platform operated by Mariner Energy off the Louisiana coast September 2, 2010. The oil and gas platform burst into flames in the Gulf of Mexico on Thursday, but the crew of 13 escaped and there were no signs of an oil spill, the U.S. Coast Guard said. REUTERS/Lee Celano (UNITED STATES - Tags: DISASTER ENVIRONMENT ENERGY BUSINESS) 

Boats spray water to extinguish a fire on an oil and gas platform operated by Mariner Energy off the Louisiana coast September 2, 2010. The oil and gas platform burst into flames in the Gulf of Mexico on Thursday, but the crew of 13 escaped and there were no signs of an oil spill, the U.S. Coast Guard said. REUTERS/Lee Celano (UNITED STATES - Tags: DISASTER ENVIRONMENT ENERGY BUSINESS IMAGES OF THE DAY) 

Boats spray water to extinguish a fire on an oil and gas platform operated by Mariner Energy off the Louisiana coast September 2, 2010. The oil and gas platform burst into flames in the Gulf of Mexico on Thursday, but the crew of 13 escaped and there were no signs of an oil spill, the U.S. Coast Guard said. REUTERS/Lee Celano (UNITED STATES - Tags: DISASTER ENVIRONMENT ENERGY BUSINESS) 

Boats spray water to extinguish a fire on an oil and gas platform operated by Mariner Energy off the Louisiana coast September 2, 2010. The oil and gas platform burst into flames in the Gulf of Mexico on Thursday, but the crew of 13 escaped and there were no signs of an oil spill, the U.S. Coast Guard said. REUTERS/Lee Celano (UNITED STATES - Tags: DISASTER ENVIRONMENT ENERGY BUSINESS)