Waves partially obscure the Development Driller II, left, Development Driller III, which are drilling the relief wells, at the Deepwater Horizon oil spill site in the Gulf of Mexico in 2010.
Waves partially obscure the Development Driller II, left, Development Driller III, which are drilling the relief wells, at the Deepwater Horizon oil spill site in the Gulf of Mexico in 2010. Gerald Herbert AP
Waves partially obscure the Development Driller II, left, Development Driller III, which are drilling the relief wells, at the Deepwater Horizon oil spill site in the Gulf of Mexico in 2010. Gerald Herbert AP