Gas from the damaged Deepwater Horizon wellhead burns after being lit by crewmembers from the drillship Discoverer Enterprise May 16, 2010.
The process, which is known as flaring, involved bring gas and oil from the wellhead to the surface of the water using a tube that is placed inside the damaged pipe. (DoD photo by Petty Officer 3rd Class Patrick Kelley, U.S. Coast Guard/Released). Original public domain image from Flickr