Deepwater Horizon costs $365 million dollars to build. The rig had 130 crew members, and covered the size of two football fields. Its owners, Transocean, rented the rig to BP at a cost of more than $500,000 a day. Last September, it drilled six miles down to an field that contained 3 billion barrels of oil. Today it lies sunk in the Gulf of Mexico.

The Wall Street Journal has posted an interactive timeline of events in the Deepwater Horizon Rig Disaster.
via : Deepwater Horizon Interactive Timeline @ WSJ