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Dec. 20, 2013:
Former BP drilling engineer was convicted for obstructing a federal investigation into the oil spill. -
Jan. 10, 2014:
5th U.S.Circuit Court of Appeals upholds multibillion-dollar settlement with BP of private claims stemming from the spill -
April 20, 2010:
An explosion on the Deepwater Horizon drilling rig kills 11 workers. Oil begins gushing into the Gulf of Mexico from the blown-out well a mile below. -
June 1-13, 2010:
Ribbons of mousse-like crude oil reach Dauphin Island, Fort Morgan, Gulf Shores, Orange Beach and lower Mobile Bay. -
April 30, 2011:
More than 130,000 plaintiffs - including people, businesses and government agencies - join a federal court lawsuit against BP and other companies linked to oil spill. -
Sept. 28, 2011:
U.S. Coast Guard says it will require Transocean to determine the source of the BP oil found floating above the wellhead. -
Oct. 27, 2011:
BP has wins approval of its first drilling permit since the spill by the federal Bureau of Safety and Environmental Enforcement. -
Nov. 15, 2012:
BP agrees to pay $4.5 billion and plead guilty to felony counts relating to the death of 11 rig workers and lying to Congress. -
March 13, 2014:
The EPA lifts a suspension barring BP from doing business with the federal government, allowing the company to purchase new oil and gas exploration leases. -
April 20, 2014:
An explosion aboard the Deepwater Horizon drilling rig in the Gulf of Mexico, 52 miles (84km) south-east of Venice, Louisiana, kills 11 workers. Operator Transocean, under contract for BP, says it had no warning of trouble ahead of the blast. The rig was drilling in about 5,000ft (1,525m) of water, pushing the boundaries of deepwater drilling technology.
