Oil and gas platforms or offshore drilling rigs are constructed for extracting, storing and processing petroleum and natural gas lying beneath the ocean floor. These platforms are of different types such as fixed, spar type, semi-submersible etc. The largest number of oil rigs are located in the Gulf Of Mexico and owned by the US government, followed by the Persian Gulf and the Far East.
With advancements in the energy sector and maritime engineering, such structures have been built to withstand...
https://www.marineinsight.com/offshore/5-biggest-oil-platforms-in-the-world/