The Tiber Oil Field is a deepwater offshore oil field located in the Keathley Canyon block 102 of the United States sector of the Gulf of Mexico. The deepwater field (defined as water depth 1,300 to 5,000 feet (400 to 1,520 m),) was discovered in September 2009 and it is operated by BP. Described as a "giant" find, it is estimated to contain 4 to 6 billion barrels (640×106 to 950×106 m3) of oil in place. Although BP states it is too early to be sure of the size – a "huge" field is usually considered to contain 250 million barrels (40×106 m3). It required the drilling of a 10,685 m (35,056 ft) deep well under 1,260 m (4,130 ft) of water, making it one of the deepest wells ever drilled at the time of discovery.