Ram-type tensioner assembly with accumulators
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United States of America Patent
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Feb 12, 2008
Grant Date -
N/A
app pub date -
Mar 30, 2007
filing date -
Mar 30, 2007
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A tensioner assembly having a fully extended position, a fully retracted position and a plurality of extended positions there between, for supporting a riser extending downwardly from a platform to a subsea wellhead. The tensioner assembly can have a riser conductor portion, a tension disk, a lower support structure, a plurality of ram tensioner piston rods, a cylinder deck, a plurality of hydraulic stroke cylinders, a plurality of first primary accumulators, a plurality of second primary accumulators, a plurality of first valves, a plurality of secondary accumulators, and a plurality of second valves.
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