here are the top three largest oil rigs in the world number three berkut weighing in at over 200 000 tons Russia's barracut oil platform in the sea of a cost works and temperatures as low as 44 degrees Celsius despite this it extracts about four and a half million tons of oil and creates about 900 million dollars in tax revenues per year number two hibernium located on Canada's East Coast Hibernia features a 37 000 ton platform mounted on a far heavier 600 000 ton gravity-based structure to keep it in place number one petronius between 2000 and
2010 this 640 meter tall Patronus oil rig held the disputed world record that's because technically speaking it was the tallest building in the world however because it was partially supported by buoyancy experts were unsure whether it could support its own weight if ever built above water as such the tunnel was disputed until it was taken away by the 828 meter tall Burj Khalifa
