The Deepwater Horizon submersible oil rig, owned by Transocean and leased to BP, exploded on April 20, 2010, causing a massive oil leak and endangering the lives of over 120 workers. The exact cause of ...

Just six years after a deadly oil rig explosion, another Transocean rig has burst into flames. On Tuesday, April 20, 2010, a semisubmersible, known as Deepwater Horizon, exploded while it was located off the Gulf ...