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Deepwater Gulf of Mexico - America's Expanding Frontier
SOURCE: U.S. Department of the Interior, Minerals Management Service, Gulf of Mexico OCS Region
The pipeline infrastructure to bring deepwater oil and gas onshore also expanded during the 1990’s.
Most subsea wells are within 10 mi (16 km) of
the host platform, with the Mensa field remaining the current world record holder for a subsea tieback
length of 62 mi (100 km) from the host platform.
Figure 50a shows deepwater pipelines that are less than or equal to 12 inches (30.5 cm) in diameter. The dominance of gas pipeline miles approved in deepwater is surprising — 58 percent of the total since 1990.
The large increase in 2001 in both oil and gas pipeline miles reflects approvals for Canyon Express (Aconcagua, Camden Hills, and King’s Peak fields), Horn Mountain, and the Boomvang-Nansen projects.
Installation of large pipelines (greater than 12 inches [30.5 cm] in diameter) dramatically increased in 2002 after a brief downturn in activity in 2000 and 2001 (figure 50b).
The peak in 2002 was driven by the approval of the Mardi Gras system.
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