Used to rotate the drill string during the drilling process, the top drive is a motor that is suspended from the derrick, or mast, of the rig. These power swivels boast at least 1,000 horsepower ...
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Inside The Rig: Saudi Arabia's offshore theme park that plans to draw one million visitorsThe rigs – The Jackup, The Derrick, The Riser and the Moonpool ... will see a significant increase in manpower.” Norwegian oil and gas magazine Upstream, citing an industry source, said ...
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