Method and arrangement by a workover riser connection
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United States of America Patent
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Mar 30, 2010
Grant Date -
Mar 20, 2008
app pub date -
Nov 16, 2007
filing date -
Feb 8, 2002
priority date (Note) -
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status (Latency Note)
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Abstract
A method and arrangement for well completion and intervention operations where a workover riser 4 projecting from a wellhead 6 and up to a vessel 2 is used, and where the upper portion of the workover riser 4 is designed to be displaced from an upper position to a lowered position favorable for rigging work, where at least the upper displaceable portion of the workover riser 4 essentially follows the heave motion of the vessel 2, whereupon the upper displaceable portion of the workover riser 4 is again raised to its upper position, the workover riser 4 being equipped with a telescoping connection 1.
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