Riser tensioner

Details Riser tensioner Riser tensioner

B - Operations, Transporting

63

B

166/51

B63B 35/44 (2006.01) E21B 17/01 (2006.01)

Patent

CA 1183771

RISER TENSIONER ABSTRACT OF THE DISCLOSURE A modular riser tensioner has a frame (10) for mounting on a platform deck with air (16,18) and oil (20,22) accumulators mounted on d mounting frame and connected to cylinders (24-30) also on the mounting frame. A piston (32) located within the cylinders carries a riser tensioning ring (50) for supporting the riser. Pairs of cylinders are located on opposite sides of the riser and connected to an oil accumulator independent of the other cylinders.

410325

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