Tensioner System
Tensioner System : Tensioner units are used to maintain risers in tension as the platform moves in response to wind, waves and current. Horizontal motions, heave, and setdown of the platform necessitate changes in length of the risers. Tensioners accommodate these movements, as well as relative angular motion between the platform and riser, while maintaining a nearly constant tension on the risers. (RP 2T)
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