RISER SYSTEM FOR A SLACKED MOORED HULL FLOATING UNIT
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United States of America Patent
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N/A
Issued Date -
Jul 25, 2013
app pub date -
Sep 30, 2011
filing date -
Oct 1, 2010
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A riser tensioning system with an individual riser unit on an oil or gas platform. The platform has a traveling trolley structure with at least one trolley bearing and a centralizer. The trolley bearing is coupled to at least one guide rail configured to allow vertical movement of said traveling trolley structure. The traveling trolley structure is coupled to a riser collar configured to support a top of the riser. The riser tensioning system has at least one cylinder coupled to the traveling trolley structure on one end and secured on an opposite end such that the cylinder is adapted to push or pull the traveling trolley structure vertically.
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