Brown pelicans rest on a recently cleaned island in the Chandeleur Islands in the Gulf of Mexico on Wednesday, June 2, 2010. STEVE JOHNSON / THE MIAMI HERALD

Brown pelicans rest on a recently cleaned island in the Chandeleur Islands in the Gulf of Mexico on Wednesday, June 2, 2010. STEVE JOHNSON / THE MIAMI HERALD

A vessel can be seen plowing through oil near the Deepwater Horizon spill site in the Gulf of Mexico on Wednesday, June 2, 2010. STEVE JOHNSON / THE MIAMI HERALD

Oil can be seen floating through the Gulf of Mexico just miles away from the Deepwater Horizon spill site on Wednesday, June 2, 2010. STEVE JOHNSON / THE MIAMI HERALD

A vessel skims oil near the Deepwater Horizon spill site in the Gulf of Mexico on Wednesday June 2, 2010. STEVE JOHNSON / THE MIAMI HERALD

Two tug boats skim oil near the Deepwater Horizon spill site in the Gulf of Mexico on Wednesday, June 2, 2010. STEVE JOHNSON / THE MIAMI HERALD

A vessel can be seen plowing through oil near the Deepwater Horizon spill site in the Gulf of Mexico on Wednesday, June 2, 2010. STEVE JOHNSON / THE MIAMI HERALD

The Discoverer Enterprise drill vessel and other support vessels, pictures from a U.S. Coast Guard plane, sits above the Deepwater Horizon spill site in the Gulf of Mexico on Wednesday, June 2, 2010. STEVE JOHNSON / THE MIAMI HERALD

The Discoverer Enterprise drill vessel, pictures from a U.S. Coast Guard plane, sits above the Deepwater Horizon spill site in the Gulf of Mexico on Wednesday, June 2, 2010. STEVE JOHNSON / THE MIAMI HERALD

Two Transocean drill rights, the Development Driller II and Development Driller III, can be seen near the Deepwater Horizon spill site drilling relief wells in the Gulf of Mexico on Wednesday, June 2, 2010. STEVE JOHNSON / MIAMI HERALD STAFF

A vessel can be seen plowing through oil near the Deepwater Horizon spill site in the Gulf of Mexico on Wednesday, June 2, 2010. STEVE JOHNSON / THE MIAMI HERALD

Transocean's Development Driller II sits near the Deepwater Horizon spill site drilling a releaf well in the Gulf of Mexico on Wednesday, June 2, 2010. STEVE JOHNSON / THE MIAMI HERALD

A vessel can be seen plowing through oil near the Deepwater Horizon spill site in the Gulf of Mexico on Wednesday, June 2, 2010. STEVE JOHNSON / THE MIAMI HERALD

Transocean's Development Driller II sits near the Deepwater Horizon spill site drilling a relief well in the Gulf of Mexico on Wednesday, June 2, 2010. STEVE JOHNSON / THE MIAMI HERALD

A support vessel can be seen near the Deepwater oil spill site in the Gulf of Mexico on Wednesday, June 2, 2010. STEVE JOHNSON / THE MIAMI HERALD

The Discoverer Enterprise drill vessel, pictures from a U.S. Coast Guard plane, sits above the Deepwater Horizon spill site in the Gulf of Mexico on Wednesday, June 2, 2010. STEVE JOHNSON / THE MIAMI HERALD