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Horn Mountain Field, Gulf of Mexico

Operator

BP

Location

Gulf of Mexico

Distance from land

100 miles southeast of New Orleans

Water depth

5,400ft of water

Block

Mississippi canyon blocks 126 and 127

Equity

BP 67%, Occidental 33%

Leases

1997 and 1998

Exploration

July 1999

Discovery

August 1999

Rig

Ocean Victory

Type

Semisubmersible

Depth

14,600ft

Pay

300ft to 550ft

Age

Miocene intervals

Wells at first oil

Eight production wells and two injection

Average drilling

16 days per every 10,000 feet drilled

Flow onstream

15,000 barrels of oil and 12 million cubic feet of gas per day

Peak rate

65,000 barrels of oil and 68 million cubic feet of gas per day in 2003

Hull

585ft in length and 106ft in diameter

Design

CSO Aker

Construction

Mantyluoto Works yard

Topsides design

Alliance Engineering

Construction

Ingleside, Texas by Gulf Marine Fabricators

Installation

Heerema's Balder

Pipeline infrastructure

Intec Engineering

Pipelines

Allseas' vessel Solitaire

Rig facilities

Helmerich and Payne

Dry trees

14

Riser

Dual barrier riser system

Internal

9 5/8

External

12¾ outer riser

Design

ABB Vetco Gray

Air cans

240ft long by 12ft diameter

Oil

Shell's Odyssey pipeline system

Gas

10in line to the Destin system operated by BP

Total cost

$600 million project

Recovery

150 million barrels of oil and gas equivalent
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