What are the process
How do they dig through the ocean
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In: Engineering
In shallow waters they construct the structure in parts, float them out and start dropping them and assembling them.
In deeper water they use some sort of floating platform that’s anchored down or has a series of rotating propellers that keep it in place.
Oil rigs have legs that look like bell-bottom pants. The rig is built close to shore or even up a river. The bell shape legs are later pressurized with air to raise the rig higher in order to be towed out to sea.
Once in deep water and near its destination the bells are filled with water and lowered to it’s desired height from sea level. The legs never touch the bottom but are anchored to the seabed preventing the oil rig from floating away.
There are some really big rigs that have sections shipped out on barges and assembled onto the oil rig platform.
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