Timeline

1974-1975         Prototype tested offshore California (by Deep Oil Technology)
1984                 Hutton (1st TLP), North Sea
1989                 Jolliet (1st TLWP), Gulf of Mexico
1995                 Heidrun (Concrete and world’s largest TLP), North Sea
1998                 Morpeth (1st mini-TLP), Gulf of Mexico
2005                 Magnolia, (waterdepth record holder at 1432 m), Gulf of Mexico