In 1976 work began building part of an Oil Rig, the base was the only large tripod steel gravity base/oil storage structure of its kind and was the world's first steel platform to combine flotation, ballasting and oil storage.

The gravity base structure comprised of three large cylindrical tanks and each measuring over 25 metres in diameter and standing 74 metres high, were constructed of steel rings, welded one on top of the other.

After the base was complete the site was opened up and towed to Loch Kishorn on the west coast of Scotland, where the deck was being built at the Howard Doris yard.

This is a modified section, for full details on the oilrig please visit the dedicated website at:
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