ELI5. How are the solid legs for oil platforms built? those legs go down a thousanf feet or more down to the ocean floor if it’s not a floating platform, so how do they lay those giant legs? Submarines? Cranes?
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They basically set up a lay down yard for legs on the seafloor and build them from the piling up. Usually people with deep sea diving suits drop down. Occasionally an ROV does some of the work. They use ling line cranes on the surface to pick them up and move them into place and underwater workers weld and bolt them together
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