Tiber Oil Field was discovered in France.
Keathley Canyon is an undersea canyon in the United States Exclusive Economic Zone in the Gulf of Mexico .. undersea canyon. submarine canyon. United States. United States. Exclusive Economic Zone. Exclusive Economic Zone. Gulf of Mexico. Gulf of Mexico. The canyon is named for the hydrographic survey ship USNS Sergeant George D. Keathley -LRB- T-AGS-35 -RRB- .. The Canyon is rich in oil fields .. The major oilfields at the Keathley Canyon are Tiber , Kaskida , Lucius , and Buckskin .. Tiber. Tiber Oil Field. Kaskida. Kaskida Oil Field. Many oil companies , including Chevron Corporation , BP , Anadarko Petroleum , ExxonMobil , Repsol , Shell , Devon Energy , BHP Billiton , Eni , and Total S.A. have leased the rights to drill for oil in this area .. Chevron Corporation. Chevron Corporation. Anadarko Petroleum. Anadarko Petroleum. ExxonMobil. ExxonMobil. Repsol. Repsol. Shell. Royal Dutch Shell. Devon Energy. Devon Energy. BHP Billiton. BHP Billiton. Eni. Eni. In June , 2011 , ExxonMobil announced two major oil and gas discoveries in Keathley Canyon blocks 918 , 919 , and 964 -LRB- Hadrian field -RRB- 250 mi southwest of New Orleans , with combined estimated reserves of 700 Moilbbl .. ExxonMobil. ExxonMobil. The find was `` the company 's first deepwater exploration well following a U.S. moratorium '' after the Deepwater Horizon explosion and oil spill in the Gulf in 2010 and `` one of the largest discoveries in the Gulf ... in the last decade . ''. Deepwater Horizon explosion. Deepwater Horizon explosion. oil spill. Deepwater Horizon oil spill. `` Exxon holds a 50 % working interest in four ... blocks .. Units owned by Petrobras and Eni SPA hold a 25 % interest in three of the blocks .. Eni. Eni. Petrobras. Petrobras. Petrobras also owns 50 % of one of the blocks . ''. Petrobras. Petrobras