Subsea systems can be used at depths of up to 2100 meters. Spar platforms are the largest type of offshore oil rig and can also reach the furthest down.

Statoil says the move means a major step has been taken towards deepwater production in Norwegian Sea. Norway's Statoil, together with its partners, has selected a Spar platform to develop its ...

Marine construction contractor J Ray McDermott has completed and handed over the much-delayed Devils Tower spar platform to operator Dominion Exploration, write ...