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Bullwinkle Platform

Green Canyon, Gulf of Mexico
All Areas World Ocean

Status:built
Construction Dates
  Finished1989
Building Uses
 - industrial
 - mechanical
Structural Types
 - offshore
 - cross brace
 - truss tower
Materials
 - steel
 - concrete, reinforced

 Heights ValueSource / Comments 
Spire1736 ftwww.offshore-technology.com
Mudline to tip of Flare Boom
Waterline1353 ftwww.offshore-technology.com
Mudline to waterline

Description
• Owner: Shell Petroleum.
___________________________________________________________

• This structure is the world's tallest pile supported fixed steel structure. The tower is designed to resist hurricane force winds, 70' waves, and a lifetime of stress-reversals induced by small waves. The wave forces act not only at the water line, but can reach down and impact the structure as much as 300' below the surface. The legs are between 120" and 54" in diameter (rolled steel plate) and the cross-bracing is up to 48" diameter.

• Owner Shell Petroleum built the topsides unit while Gulf Marine Fabricators was contracted for the design, transportation and installation of the jacket structure.

• Cost: $500 Million US Dollars (half for the tower, half for the Topsides).

• Weight: 77,000 tons (Topsides & Tower).

• Production: 59,000 barrels of oil equivalent + 100 MCF of Gas per day.

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Drawing by Kelvin Fields
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