On Board the Rig Drilling the Relief Well

On Board the Rig Drilling the Deepwater Horizon Relief Well
Stephen Wilkes for TIME

Rig Control Room
After the explosion on the Deepwater Horizon oil rig on April 20, BP began to drill two relief wells — parallel pathways to the oil reservoir beneath the floor of the Gulf of Mexico — that will eventually intersect with the original well. In this photo, workers in the control room on one of the platforms drive the rig as it works.

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