The central Gulf of Mexico shelf area comprises approximately 46% of the company's total production, primarily within the South Timbalier 21 and 54 fields, the West Delta 30 and 73 fields and the Grand Isle 16/18 and 43 fields.
South Timbalier 21
South Timbalier 21 is the 9th largest oil field on the Gulf of Mexico shelf. It was discovered by Gulf Oil in 1957 and has produced more than 320 million BOE to date. Located six miles offshore of Lafourche Parish, Louisiana in approximately 50 feet of water, the 100% owned and operated South Timbalier 21 field includes acreage in South Timbalier blocks 21, 22, 23, 27 and 28, as well as two state leases. The field is bounded on the north by a major Miocene expansion fault. Miocene sands are trapped structurally and stratigraphically from 7,000 feet to 15,000 feet in depth. Energy XXI operates the field with a 100% working interest.
South Timbalier 54 Field
The South Timbalier 54 field is located 36 miles offshore of Lafourche Parish, Louisiana in approximately 65 feet of water. Since the field was discovered in 1955 by Exxon it has produced over 135 million BOE. The field is set up at the confluence of regional and counter/regional fault systems. Pleistocene through Miocene sands are trapped from 4,800 feet to 17,000 feet in shallow low relief structures over a deeper seated salt dome. The field's net production for the quarter ended December 31, 2010 averaged 3.2 MBOED. Energy XXI operates the field with a 100% working interest.
West Delta 30
Discovered in 1948 by Humble Oil, the West Delta 30 field is the largest oil field on the Gulf of Mexico shelf, having produced in excess of 780 million BOE since first production. The field is located 21 miles offshore of Grand Isle, Louisiana in approximately 45 feet of water. Pleistocene through Upper Miocene sands are trapped structurally by radial faulting on the flanks of the salt piercement. Productive sands range from 2,000 feet to 17,500 feet and generally produce using moderate water drive. Energy XXI has an approximate 100% working interest in the field.
West Delta 73
West Delta 73 was discovered in 1962 by Humble Oil. The field is located 28 miles offshore of Grand Isle, Louisiana in approximately 175 feet of water. The field is a large low relief faulted anticline and produces from Pleistocene through Upper Miocene aged sands trapped structurally over the large anticlinal feature from 1,500 feet to 13,000 feet. The field has produced in excess of 275 million BOE to date and is the 7th largest producing oil field on the Gulf of Mexico shelf. Energy XXI owns and operates the field with a 100% working interest.
Grand Isle 43
The Grand Isle 43 field is the 4th largest oil producing field on the Gulf of Mexico shelf, having produced in excess of 629 million BOE since its discovery. We own a 100% working interest and operate the field, which is located 25 miles offshore of Grand Isle, Louisiana in approximately 150 feet of water. Conoco discovered the field in 1956 and production began on West Delta blocks 72 and 93 in 1964. Located on the west flank of the West Delta 73 field, Grand Isle 43 produces from Pleistocene through Upper Miocene aged sands on a low relief faulted anticline. Productive sands range from 1,300 feet to 13,000 feet.
Grand Isle 16/18
Energy XXI owns a 100% working interest and operates the Grand Isle 16/18 field located 7 miles offshore of Lafourche Parish, Louisiana in approximately 50 feet of water. The field consists of two separate shallow piercment salt domes. Pleistocene through Miocene sands are trapped structurally and stratigraphically from 6,000 feet to 13,000 feet against the salt piercments. The field has produced in excess of 515 million BOE since first production, making it the 5th largest oil producing field on the Gulf of Mexico shelf.
East Cameron 334/335
We operate and have a 72% working interest in the East Cameron 334 Field located 90 miles south of Cameron, Louisiana in 230 feet of water. The field underlies East Cameron Blocks 334, 335, 336 and West Cameron 580 and 601. Discovered in 1972, this is the 29th largest natural gas field on the Gulf of Mexico shelf, having produced one trillion cubic feet equivalent to date from Middle to Lower Pleistocene sands at depths from 7,000 feet to 15,000 feet.
Eugene Island 330
We have a 35% working interest in this Apache operated field in 250 feet of water located 130 miles Southwest of New Orleans. Well depths range from 6,000 to 11,000 feet. Cumulative production from the field is approximately 730 MMBOE, making it the 3rd largest oil producing field on the Gulf of Mexico shelf. The field currently is being re-developed following damage from Hurricane Ike, which knocked out a number of wells and platforms. Production from 10 remaining wells in the field was restored by Apache in late 2009.
Earnings Call
