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Enterprise Receives First Gas, Oil from Several Large Deepwater Gulf Fields

Enterprise Products Partners announced Monday that it began receiving the first of what eventually will be very large natural gas and oil production flows from several major deepwater fields in the Gulf of Mexico into the Manta Ray Offshore Gathering System, the Nautilus Gas Pipeline and the recently completed Cameron Highway Oil Pipeline System.

First deliveries of crude oil and natural gas have been received from the Holstein and Mad Dog fields, located in the Southern Green Canyon area. Production from those fields is expected to increase over the next few years with the addition of the Atlantis, Constitution and Ticonderoga fields in 2006 and 2007. The total combined design capacity of the Holstein, Mad Dog and Atlantis platforms is about 400,000 bbl/d of oil and 340 MMcf/d of gas. And the oil capacity of the Constitution platform is 70,000 bbl/d of oil.

Holstein began producing in December and is expected to reach a production peak of 100,000 bbl/d of oil and 90 MMcf/d of gas. It is flowing into the Manta Ray Offshore Gathering System and the Nautilus Gas Pipeline, which are jointly owned by affiliates of Enterprise, Marathon Oil and Enbridge. The 101-mile 30-inch diameter Nautilus system terminates onshore in St. Mary's Parish, LA, at Enterprise's Neptune natural gas processing plant and then redelivers the gas to the Nautilus pipeline hub.

The Mad Dog field began producing this month and its platform has the capacity to handle more than 100,000 bbl/d of oil and 60 MMcf/d of gas. Production from the Atlantis field is expected to begin late in 2006 and could reach a peak of 200,000 bbl/d of oil and 180 MMcf/d of gas. BP recently raised the capacity of the Atlantic platform by 33% to handle oil flows up to 200,000 bbl/d and gas flows of 180 MMcf/d.

Initial oil production of 35,000 bbl/d from three deepwater wells has begun and is flowing into the recently completed Cameron Highway Oil Pipeline System, which is jointly owned by affiliates of Enterprise and Valero Energy. Cameron Highway, a 390-mile 24-inch to 30-inch pipeline, has the capacity to deliver up to 500,000 bbl/d of crude to major refining markets along the Texas Gulf Coast located in Port Arthur and Texas City.

Enterprise owns a 50% interest in and operates Cameron Highway and has a 25.67% equity interest in both the Manta Ray and Nautilus pipelines.

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