Safety joint and riser

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United States of America Patent

PATENT NO 9091127
APP PUB NO 20120132433A1
SERIAL NO

13307838

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Importance

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Abstract

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A safety joint to be included in a riser between a floating structure and a subsea installation at a location in the riser above a stress joint where it will be subjected to minimum bending loads. The safety joint includes a first riser coupling at its upper end for connection to a corresponding riser coupling of a riser joint and a second riser coupling at its lower end for connection to a corresponding riser coupling of a riser joint or stress joint. An emergency disconnect package with an emergency disconnect coupling and a retainer valve unit is arranged between the upper end and the lower end of the safety joint. A riser including such a safety joint.

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First Claim

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Patent Owner(s)

Patent OwnerAddress
VETCO GRAY SCANDINAVIA ASSANDVIKA

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Olsen, Robert Stavanger, NO 48 568

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