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About this data sheet:
Structure-ID: s0003286
Created on: 19/05/02
Modified on: 28/02/07


Troll A Platform

Built: 1991 - 1995
Status: in use
Location: North Sea, Norway
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Structural Type:
Concrete gravity base structure
Function / usage:
Gas drilling platform

Firms, offices, etc. involved with this structure
Legend: Phase of works
RoleNamePart of structure 
  Johs Holt AS
Owner Shell Oil
Construction Norwegian Contractors base
Prestressing VSL International

Technical information
DescriptionValue
Dimensions
  weight 656 000 t
  weight 656 000 t
  total height 472 m
Quantities used in construction
  concrete volume 245 000 m3
  reinforcing steel 100 000 t

Chronology
July 1991
Construction of the base is begun.
August 1992
Construction of the deck begins.
December 1994
Deck is completed.
3 January 1995
Deck is floated to the gravity base structure in Ykjesfjorden.

Relevant Web Sites
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External LinkShell Oil: Europe's largest offshore gas field comes on stream English
External LinkShell Oil: Troll Gas Phase 1 - Fact and Figures English
External LinkShell Oil: Troll on tow overview / Pictures English

Relevant Literature
* Nilsson, Kalle   Troll (GBS) Biggest in the World, in "VSL News", 1993, n. 2 v. 4 .

 
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